Prof J Chibueze

Qualifications

• PhD (Science: Astronomy & Astrophysics) Kagoshima University, Japan (March 2013)

“Panoramic Interstellar Gas & Dust Observational Study of Massive Star Formation Based on Accurately Estimated Distances”, Supervisors: Prof. Handa Toshihiro, Prof. Kameno Seiji & Prof. Nakanishi Hiroyuki

MSc (Astrophysics) University of Nigeria, Nsukka (2008)

BSc (Physics) First Class Honours, University of Nigeria, Nsukka (2005)

Field of Specialisation

Expertise

Astronomy & Astrophysics

Astrometry

Radio interferometry

Star formation

Masers

Galaxies and Galaxy Clusters

Journal articles

Publications in Refereed Journals

[71] H. E. S. S. Collaboration; :; Aharonian, F.; Ait Benkhali, F.; Aschersleben, J.; Ashkar, H.; Backes, M.; Barbosa Martins, V.; Batzofin, R.; Becherini, Y.; Berge, D.; Böttcher, M.; Boisson, C.; Bolmont, J.; Borowska, J.; Bouyahiaoui, M.; Bradascio, F.; Breuhaus, M.; Brose, R.; Brun, F.; Bruno, B.; Bulik, T.; Burger-Scheidlin, C.; Bylund, T.;

Caroff, S.; Casanova, S.; Celic, J.; Cerruti, M.; Chambery, P.; Chand, T.; Chen, A.; Chibueze, J.; Chibueze, O.; Damascene Mbarubucyeye, J.; Djannati-Ataï, A.; Dmytriiev, A.; Einecke, S.; Ernenwein, J. -P.; Feijen, K.; Filipovic, M.; Fontaine, G.; Füßling, M.; Funk, S.; Gabici, S.; Gallant, Y. A.; Ghafourizadeh, S.; Giavitto, G.; Giunti, L.;

Glawion, D.; Goswami, P.; Grolleron, G.; Grondin, M. -H.; Haerer, L.; Hinton, J. A.; Hofmann, W.; Holch, T. L.; Holler, M.; Horns, D.; Huang, Zhiqiu; Jamrozy, M.; Jankowsky, F.; Joshi, V.; Jung-Richardt, I.; Kasai, E.; Katarzyński, K.; Khélifi, B.; Kluźniak, W.; Komin, Nu.; Kosack, K.; Kostunin, D.; Lang, R. G.; Le Stum, S.; Leitl, F.; Lemière, A.; Lemoine-Goumard, M.; Lenain, J. -P.; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Malyshev, D.; Malyshev, D.; Marandon, V.; Marchegiani, P.; Marcowith, A.; Marinos, P.; Martí-Devesa, G.; Marx, R.; Mitchell, A.; Moderski, R.; Mohrmann, L.; Montanari, A.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Niemiec, J.; Priyana Noel, A.; Ohm, S.; Olivera-Nieto, L.; de Ona Wilhelmi, E.; Ostrowski, M.; Panny, S.; Panter, M.; Parsons, R. D.; Prokhorov, D. A.; Pühlhofer, G.;

Punch, M.; Quirrenbach, A.; Reichherzer, P.; Reimer, A.; Reimer, O.; Renaud, M.; Reville, B.; Rieger, F.; Rowell, G.; Rudak, B.; Sahakian, V.; Santangelo, A.; Sasaki, M.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Sol, H.; Specovius, A.; Spencer, S.; Stawarz, Ł.; Steenkamp, R.; Steinmassl, S.; Sushch, I.; Suzuki, H.; Takahashi, T.; Tanaka, T.; Terrier, R.; Thorpe-Morgan, C.; Tsirou, M.; Tsuji, N.; Uchiyama, Y.; van

Eldik, C.; Vecchi, M.; Veh, J.; Venter, C.; Vink, J.; Wach, T.; Wagner, S. J.; White, R.; Wierzcholska, A.; Wun Wong, Yu; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zouari, S.; Żywucka, N., HESS J1809-193: a halo of escaped electrons around a pulsar wind nebula?, A&A, 2023, arXiv:2302.13663

[70] Caleb, M.; Driessen, L. N.; Gordon, A. C.; Tejos, N.; Chibueze, J. O.; Stappers, B. W.; Rajwade, K. M.; Cavallaro, F.; Wang, Y.; Kumar, P.; Majid, W. A.; Wharton, R. S.; Naudet, C. J.; Bezuidenhout, M. C.; Jankowski, F.; Malenta, M.; Morello, V.; Sanidas, S.; Surnis, M. P.; Barr, E. D.; Chen, W.; Kramer, M.; Fong, W.; Kilpatrick, C. D.; Prochaska, J. Xavier; Simha, S.; Venter, C.; Heywood, I.; Kundu, A.; Schussler, F., Discovery of an as-yet non-repeating fast radio burst with the hallmarks of a repeater, MNRAS, 2023, DOI: 10.48550/arXiv.2302.09754

[69] Kobak, A.; Bartkiewicz, A.; Szymczak, M.; Olech, M.; Durjasz, M.; Wolak, P.; Chibueze, J. O.; Hirota, T.; Eislöffel, J.; Stecklum, B.; Sobolev, A.; Bayandina, O.; Orosz, G.; Burns, R. A.; Kim, Kee-Tae; van den Heever, S. P., Multi-frequency VLBI observations of maser lines during the 6.7~GHz maser flare in the high-mass young stellar object G24.33+0.14, A&A, 2023, DOI: 10.48550/arXiv.2302.02723

[68] Ugwu, C. J.; Chibueze, J. O.; Morgan, J.; Csengeri, T.; Chukwude, A. E.; van der Walt, D. J.; Alhassan, J. A., Probing Gas Kinematics towards the High-mass Protostellar Object G358.46-0.39, MNRAS, 2023, DOI: 10.1093/mnras/stad376

[67] Kohno, Mikito; Chibueze, James O.; Burns, Ross A.; Omodaka, Toshihiro; Handa, Toshihiro; Murase, Takeru; Yamada, Rin I.; Nagayama, Takumi; Nakano, Makoto; Sunada, Kazuyoshi; Tachihara, Kengo; Fukui, Yasuo, Ammonia mapping observations of the Galactic infrared bubble N49: Three NH3 clumps along the molecular filament, PASJ, 2023,  DOI: 10.48550/arXiv.2301.07993

[66] MacLeod, G. C.; Smits, D. P.; Hunter, T. R.; Brogan, C.; Chibueze, J.

O.; van den Heever, S. P., Identifying Zeeman pairs of hydroxyl masers in NGC 6334I-MM3 via velocity drift, MNRAS, 2023, DOI: 10.1093/mnras/stad296

[65] Grover, Himanshu; Singha, Jaikhomba; Joshi, Bhal Chandra; Arumugam,

Paramasivan; Gugercinoglu, Erbil; Bandyopadhyay, Debades; Desai,

Shantanu; Banik, Sarmistha; Eya, Innocent; Chibueze, James; Urama,

Johnson; Kundu, Anu, Confirmation of glitch event detected in PSR J1740-3015 using the upgraded Giant Metrewave Radio Telescope (uGMRT), The Astronomer's Telegram, January, 2023, 15851

[64] Akiyama, Kazunori; Algaba, Juan-Carlos; An, Tao; Asada, Keiichi; Asanok, Kitiyanee; Byun, Do-Young; Chanapote, Thanapol; Chen, Wen; Chen, Zhong; Cheng, Xiaopeng; Chibueze, James O.; Cho, Ilje; Cho, Se-Hyung; Chung, Hyun-Soo; Cui, Lang; Cui, Yuzhu; Doi, Akihiro; Dong, Jian; Fujisawa, Kenta; Gou, Wei; Guo, Wen; Hada, Kazuhiro; Hagiwara, Yoshiaki; Hirota, Tomoya; Hodgson, Jeffrey A.; Honma, Mareki; Imai, Hiroshi; Jaroenjittichai, Phrudth; Jiang, Wu; Jiang, Yongbin; Jiang, Yongchen; Jike, Takaaki; Jung, Dong-Kyu; Jung, Taehyun; Kawaguchi, Noriyuki; Kim,

Dong-Jin; Kim, Hyo-Ryoung; Kim, Jaeheon; Kim, Jeong-Sook; Kim, Kee-Tae; Kim, Soon-Wook; Kino, Motoki; Kobayashi, Hideyuki; Koyama, Shoko; Kramer, Busaba H.; Lee, Jee-Won; Lee, Jeong Ae; Lee, Sang-Sung; Lee, Sang Won; Li, Bin; Li, Guanghui; Li, Xiaofei; Li, Zhixuan; Liu, Qinghui; Liu, Xiang; Lu, Ru-Sen; Motogi, Kazuhito; Nakamura, Masanori; Niinuma, Kotaro; Oh, Chungsik; Oh, Hongjong; Oh, Junghwan; Oh, Se-Jin; Oyama, Tomoaki; Park, Jongho; Poshyachinda, Saran; Ro, Hyunwook; Roh, Duk-Gyoo; Rujopakarn, Wiphu; Sakai, Nobuyuki; Sawada-Satoh, Satoko; Shen, Zhi-Qiang; Shibata, Katsunori M.; Sohn, Bong Won; Soonthornthum, Boonrucksar; Sugiyama, Koichiro; Sun, Yunxia; Takamura, Mieko; Tanabe, Yoshihiro; Tazaki, Fumie; Trippe, Sascha; Wajima, Kiyoaki; Wang, Jinqing; Wang, Na; Wang, Shiqiang; Wang, Xuezheng; Xia, Bo; Xu, Shuangjing; Yan, Hao; Yang, Wenjun; Yeom, Jae-Hwan; Yi, Kunwoo; Yi, Sang-Oh; Yonekura, Yoshinori; Yoon, Hasu; Yu, Linfeng; Yuan, Jianping; Yun, Youngjoo; Zhang, Bo; Zhang, Hua; Zhang, Yingkang; Zhao, Guang-Yao; Zhao, Rongbing; Zhong, Weiye, Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN), Galaxies, 2022, 10, 113

[63] Xu, Shuangjing; Imai, Hiroshi; Yun, Youngjoo; Zhang, Bo; Rioja, María J.; Dodson, Richard; Cho, Se-Hyung; Kim, Jaeheon; Cui, Lang; Sobolev, Andrey M.; Chibueze, James O.; Kim, Dong-Jin; Amada, Kei; Nakashima, Jun-ichi; Orosz, Gabor; Oyadomari, Miyako; Oh, Sejin; Yonekura, Yoshinori; Sun, Yan; Mai, Xiaofeng; Zhang, Jingdong; Wen, Shiming; Jung, Taehyun, The Astrometric Animation of Water Masers toward the Mira Variable BX Cam, ApJ, 2022, 941, 105

[62] Hirota, Tomoya; Wolak, Pawel; Hunter, Todd R.; Brogan, Crystal L.; Bartkiewicz, Anna; Durjasz, Michal; Kobak, Agnieszka; Olech, Mateusz; Szymczak, Marian; Burns, Ross A.; Aberfelds, Artis; Baek, Giseon; Brand, Jan; Breen, Shari; Byun, Do-Young; Caratti o Garatti, Alessio; Chen, Xi; Chibueze, James O.; Cyganowski, Claudia; Eislöffel, Jochen; Ellingsen, Simon; Hirano, Naomi; Hu, Bo; Kang, Ji-hyun; Kim, Jeong-Sook; Kim, Jungha; Kim, Kee-Tae; Kim, Mi Kyoung; Kramer, Busaba; Lee, Jeong-Eun; Linz, Hendrik; Liu, Tie; MacLeod, Gordon; McCarthy, Tiege P.; Menten,

Karl; Motogi, Kazuhito; Oh, Chung-Sik; Orosz, Gabor; Sobolev, Andrey M.; Stecklum, Bringfried; Sugiyama, Koichiro; Sunada, Kazuyoshi; Uscanga, Lucero; van den Heever, Fanie; Volvach, Alexandr E.; Volvach, Larisa N.; Wu, Yuan Wei; Yonekura, Yoshinori, Millimeter methanol emission in the high-mass young stellar object G24.33+0.14, PASJ 2022, 74, 1234

[61] Chibueze, J. O.; Caleb, M.; Spitler, L.; Ashkar, H.; Schüssler, F.; Stappers, B. W.; Venter, C.; Heywood, I.; Richards, A. M. S.; Williams, D. R. A.; Kramer, M.; Beswick, R.; Bezuidenhout, M. C.; Breton, R. P.; Driessen, L. N.; Jankowski, F.; Keane, E. F.; Malenta, M.; Mickaliger, M.; Morello, V.; Qiu, H.; Rajwade, K.; Sanidas, S.; Surnis, M.; Scragg, T. W.; Walker, C. R. H.; Wrigley, N.; Aharonian, H E S S Collaboration:

F; Ait Benkhali, F.; Angüner, E. O.; Backes, M.; Baghmanyan, V.; Barbosa Martins, V.; Batzofin, R.; Becherini, Y.; Berge, D.; Böttcher, M.; Boisson, C.; Bolmont, J.; de Bony de Lavergne, M.; Breuhaus, M.; Brose, R.; Brun, F.; Bulik, T.; Cangemi, F.; Caroff, S.; Casanova, S.; Catalano, J.; Cerruti, M.; Chand, T.; Chen, A.; Chibueze, O. U.; Cotter,

G.; Cristofari, P.; Damascene Mbarubucyeye, J.; Devin, J.; Djannati-Ataï, A.; Dmytriiev, A.; Egberts, K.; Ernenwein, J. -P.; Fiasson, A.; Fichet de Clairfontaine, G.; Fontaine, G.; Funk, S.; Gabici, S.; Ghafourizadeh, S.; Giavitto, G.; Glawion, D.; Grondin, M. -H.; Hörbe, M.; Hoischen, C.; Holch, T. L.; Huang, Zhiqiu; Jamrozy, M.; Jankowsky,

F.; Joshi, V.; Jung-Richardt, I.; Kasai, E.; Katarzyński, K.; Katz, U.; Khélifi, B.; Kluźniak, W.; Komin, Nu; Kosack, K.; Kostunin, D.; Lemière, A.; Lenain, J. -P.; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Malyshev, D.; Marandon, V.; Marchegiani, P.; Marcowith, A.; Martí-Devesa, G.; Marx, R.; Mitchell, A.; Moderski, R.; Mohrmann, L.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Nayerhoda, A.;

Niemiec, J.; Priyana Noel, A.; O'Brien, P.; Ohm, S.; Olivera-Nieto, L.; de Ona Wilhelmi, E.; Ostrowski, M.; Panny, S.; Parsons, R. D.; Pita, S.; Poireau, V.; Prokhorov, D. A.; Prokoph, H.; Pühlhofer, G.; Quirrenbach, A.; Reichherzer, P.; Reimer, A.; Reimer, O.; Rowell, G.; Rudak, B.; Ruiz-Velasco, E.; Sahakian, V.; Sailer, S.; Salzmann, H.; Sanchez, D. A.; Santangelo, A.; Sasaki, M.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Specovius, A.; Spencer, S.; Steenkamp, R.; Steinmassl, S.; Takahashi, T.; Tanaka, T.; Thorpe-Morgan, C.; Tsuji, N.; van Eldik, C.; Veh, J.; Vink, J.; Wagner, S. J.; Wierzcholska, A.; Wong, Yu Wun; Yusafzai, A.; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zhu, S. J.; Zouari, S.; Żywucka, N., MeerKAT, e-MERLIN, H.E.S.S., and Swift search for persistent and transient emission associated with three localized FRBs, MNRAS, 2022, 515, 1365

[60] MacLeod, G. C.; Yonekura, Y.; Tanabe, Y.; Baan, W. A.; Brogan, C. L.; Burns, R. A.; Chibueze, J. O.; Houde, M.; Hunter, T. R.; Kurtz, S. E.; Rajabi, F.; Smits, D. P.; Stecklum, B.; Sugiyama, K., Two periods instead of one in a single 6.7 GHz methanol maser feature in G9.62+0.20E, MNRAS, 2022, 516, 96

[59] Kale, R.; Parekh, V.; Rahaman, M.; Joshi, D. C.; Venturi, T.; Kolokythas, K.; Chibueze, J. O.; Sikhosana, S.; Pillay, D.; Knowles, K., SoUthern Cluster sCale Extended Source Survey (SUCCESS): a GMRT and Meerkat study of nine massive galaxy clusters, MNRAS, 2022, 514, 5969

[58] Bayandina, O. S.; Brogan, C. L.; Burns, R. A.; Caratti o Garatti, A.; Chibueze, J. O.; van den Heever, S. P.; Kurtz, S. E.; MacLeod, G. C.; Moscadelli, L.; Sobolev, A. M.; Sugiyama, K.; Val'tts, I. E.; Yonekura, Y., The evolution of the H2O maser emission in the accretion burst source G358.93−0.03, A&A, 2022, 664, 44

[57] Kohno, Mikito; Omodaka, Toshihiro; Handa, Toshihiro; Chibueze, James O.; Nagayama, Takumi; Burns, Ross A.; Murase, Takeru; Matsusaka, Ren; Nakano, Makoto; Sunada, Kazuyoshi; Yamada, Rin I.; Bieging, John H., Ammonia mapping observations toward the Galactic massive star-forming region Sh 2-255 and Sh 2-257, PASJ, 2022

[56] Chibueze, James O.; Akamatsu, Hiroki; Parekh, Viral; Sakemi, Haruka; Ohmura, Takumi; van Rooyen, Ruby; Akahori, Takuya; Nakanishi, Hiroyuki; Machida, Mami; Takeuchi, Tsutomu T.; Smirnov, Oleg; Kleiner, Dane; Maccagni, Filippo M., MeerKAT's view of double radio relic galaxy cluster Abell 3376, PASJ, 2022,

[55] A Zdziarski, Andrzej A.; Phuravhathu, Dakalo G.; Sikora, Marek; Böttcher, Markus; Chibueze, James O., The Composition and Power of the Jet of the Broad-line Radio Galaxy 3C 120, ApJL, 2022, 928, 9

[54] Knowles, K.; Cotton, W. D.; Rudnick, L.; Camilo, F.; Goedhart, S.; Deane, R.; Ramatsoku, M.; Bietenholz, M. F.; Brüggen, M.; Button, C.; Chen, H.; Chibueze, J. O.; Clarke, T. E.; de Gasperin, F.; Ianjamasimanana, R.; Józsa, G. I. G.; Hilton, M.; Kesebonye, K. C.; et al., The MeerKAT Galaxy Cluster Legacy Survey. I. Survey Overview and Highlights, A&A, 2022, 657, 56

[53]Chibueze, James O.; Caleb, M.; Spitler, L.; Ashkar, H.; Schussler, F.; Stappers, B. W.; Venter, C.; Heywood, I.; Richards, A. M. S.; Williams, D. R. A.; Kramer, M.; Beswick, R.; Bezuidenhout, M. C.; Breton, R. P.; Driessen, L. N.; Jankowski, F.; Keane, E. F.; Malenta, M.; Mickaliger, M.; Morello, V.; Qiu, H.; Rajwade, K.; Sanidas, S.; Surnis, M.; Scragg, T. W.; Walker, C. R. H.; Wrigley, N.; H. E. S. S. Collaboration, A MeerKAT, e-MERLIN, H.E.S.S. and Swift search for persistent and transient emission associated with three localised FRBs, MNRAS, 2022

[52] de Gasperin, F.; Rudnick, L.; Finoguenov, A.; Wittor, D.; Akamatsu, H.; Bruggen, M.; Chibueze, J. O.; Clarke, T. E.; Cotton, W.; Cuciti, V.; Dominguez-Fernandez, P.; Knowles, K.; O'Sullivan, S. P.; Sebokolodi, L, MeerKAT view of the diffuse radio sources in Abell 3667 and their interactions with the thermal plasma, A&A, 2022, 659, 149

[51] Morgan, J., van der Walt, D. J., Chibueze, J. O., and Zhang, Q., Orientation effect on the light-curve shape of periodic methanol maser sources, MNRAS, 2021, Volume 507, Issue 1, pp. 1138-1148

[50] Mutie, M. M., Chibueze, J. O., El Bouchefry, K., MacLeod, G. C., Morgan, J. and Baki, P., Massive protocluster of a periodic maser source G188.95+0.89, MNRAS, 2021, Volume 506, Issue 3, pp. 4175-4187

[49] James O. Chibueze,  Haruka Sakemi, Takumi Ohmura, Mami Machida, Hiroki

 Akamatsu, Takuya Akahori, Hiroyuki Nakanishi, Viral Parekh, Ruby van Rooyen,

and Tsutomu T. Takeuchi, Jets from MRC 0600-399 bent by magnetic fields in the cluster Abell 3376, Nature, 2021, 593, 47-50

[48] Strubbe, Linda; Okere, Bonaventure I.; Zhang, Jielai; Chibueze, James O.; Ikape, Margaret;Okouma, Patrice M.; Ibik, Adaeze; White, Heidi; Abotsi-Masters, Sarah; Man, Allison; Webb, Sara;PASEA Collaboration; Asabere, Bernard Duah; Bop, Cheikh Tidiane; Bop, Cheikh Tidiane; Esaenwi, Sudum;Mowla, Lamiya; Nguyen, Thai Duy Cuong; Odo, Finbarr; Odoh, Daniel Ofodum, Chukwujekwu Nworah;Onyeuwaoma, Nnaemeka; Cheek, Wesley; Deng, Meiling; Eze, Romanus; Kerzendorf, Wolfgang;Klutse, Nana Ama Browne; Lepo, Kelly; Pardi, Anabele-Linda; Rose, Alison; Urama, Johnson, The Pan-African School for Emerging Astronomers, Nature Astronomy, 2021, 2021NatAs.tmp...27S    

[47] Chibueze, James O.; Macleod, Gordon C.; Vorster, Jakobus M.; Hirota, Tomoya; Brogan, Crystal L.;Hunter, Todd R.; Van Rooyen, Ruby, The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Spatio-kinematics of Water Masers during a Contemporaneous Flare Event, ApJ, 2021, 908, 175

[46] MacLeod, G. C.; Chibueze, J. O.; Sanna, A.; Paulsen, J. D.; Houde, M.; van den Heever, S. P.; Goedhart, S., Systematic velocity drifts of methanol masers associated with G9.62+0.20E, MNRAS, 2021, Volume 500, Issue 3, pp.3425-3437

[45] Pérez-Torres, M.; Gómez, J. F.; Ortiz, J. L.; Leto, P.; Anglada, G.; Gómez, J. L.; Rodríguez, E.; Trigilio, C.;Amado, P. J.; Alberdi, A.; Anglada-Escudé, G.; Osorio, M.; Umana, G.; Berdiñas, Z.; López-González, M. J.;Morales, N.; Rodríguez-López, C.; Chibueze, J., Monitoring the radio emission of Proxima Centauri, A&A, 2021, 645, A77, 13

[44] Venturi, Tiziana; Paragi, Zsolt; Lindqvist, Michael; Bartkiewicz, Anna; Beswick, Rob; Bogdanović, Tamara; Brisken, Walter; Charlot, Patrick; Colomer, Francisco; Conway, John; Frey, Sándor; Guirado, José Carlos; Gurvits, Leonid; van Langevelde, Huib; Lobanov, Andrei; McKean, John; Morganti, Raffaella; Muxlow, Tom; Pérez-Torres, Miguel; Rygl, Kazi; Schulz, Robert; Szomoru, Arpad; de Vicente, Pablo; An, Tao; Anglada, Guillem; Argo, Megan; Azulay, Rebecca; van Bemmel, Ilse; Bocanegra, Tatiana; Boccardi, Biagina; Castangia, Paola; Chibueze, James; Cimò, Giuseppe; Climent, Juan-Bautista; Deane, Roger; Deller, Adam; Dodson, Richard; Duev, Dmitry; Etoka, Sandra; Fenech, Danielle; Gabányi, Krisztina; Gabuzda, Denise; Garrett, Michael; Gawroński, Marcin; Ghirlanda, Giancarlo; Giroletti, Marcello; Goddi, Ciriaco; Gómez, Jose Luis; Gray, Malcolm; Greaves, Jane; Hessels, Jason; van der Horst, Alexander; Hunter, Todd; Laing, Robert; Vir Lal, Dharam; Lambert, Sébastien; Loinard, Laurent; Marcote, Benito; Merloni, Andrea; Molera Calvés, Guifré; Moscadelli, Luca; Muxlow, Tom; Olofsson, Hans; Petrov, Leonid; Pizzo, Roberto; Possenti, Andrea; Quiroga-Nuñez, Luis Henry; Reynolds, Cormac; Richards, Anita; Rioja, Maria; Sanna, Alberto; Savolainen, Tuomas; Sbarrato, Tullia; Spingola, Cristiana; Surcis, Gabriele; Trigilio, Corrado; Varenius, Eskil; Vlemmings, Wouter; van Velzen, Sjoert; van der Walt, Johan, VLBI20-30: a scientific roadmap for the next decade -- The future of the European VLBI Network, eprint arXiv:2007.02347, 2020-07-1

https://ui.adsabs.harvard.edu/abs/2020arXiv200702347V

[43] Chibueze, James O.; Urago, Riku; Omodaka, Toshihiro; Morikawa, Yuto; Fujimoto, Masayuki Y.; Nakagawa, Akiharu; Nagayama, Takahiro; Nagayama, Takumi; Hirano, Ken, Astrometry and infrared observations of the Mira variable stars AP Lyncis, V837 Herculis, and BX Camelopardalis: Implications for the period-luminosity relation of the Milky Way, PASJ, 2020, https://ui.adsabs.harvard.edu/abs/2020PASJ..tmp..210C

[42] Omodaka, Toshihiro; Nagayama, Takumi; Dobashi, Kazuhito; Chibueze, James O.; Yamabi, Akifumi; Shimajiri, Yoshito; Inoue, Shinnosuke; Hamada, Shota; Sunada, Kazuyoshi; Ueno, Yuji, Star formation rates in the L 1482 filament of the California molecular cloud, PASJ, 2020,

https://ui.adsabs.harvard.edu/abs/2020PASJ..tmp..208O

[41] Kim, Jungha; Kim, Mi Kyoung; Hirota, Tomoya; Kim, Kee-Tae; Sugiyama, Koichiro; Honma, Mareki; Byun, Do-young; Oh, Chungsik; Motogi, Kazuhito; Kang, Jihyun; Kim, Jeongsook; Liu, Tie; Hu, Bo; Burns, Ross A.; Chibueze, James O.; Matsumoto, Naoko; Sunada, Kazuyoshi, Multiple Outflows in the High-mass Cluster-forming Region G25.82-0.17, ApJ, 2020, 896,  2, id.127, https://ui.adsabs.harvard.edu/abs/2020ApJ...896..127K

[40] Urago, Riku; Yamaguchi, Ryohei; Omodaka, Toshihiro; Nagayama, Takumi; Chibueze, James O.; Fujimoto, Masayuki Y.; Nagayama, Takahiro; Nakagawa, Akiharu; Ueno, Yuji; Kawabata, Miho; Nakaoka, Tatsuya; Takagi, Kengo; Yamanaka, Masayuki; Kawabata, Koji, Trigonometric parallax of O-rich Mira variable star OZ Gem (IRAS 07308+3037): A confirmation of the difference between the P-L relations of the Large Magellanic Cloud and the Milky Way, PASJ, 2020, https://ui.adsabs.harvard.edu/abs/2020PASJ..tmp..188U

[39] Chibueze, James O.; Nagayama, Takumi; Omodaka, Toshihiro; Nagano, Masayuki; Wada, Koji; Hirano, Ken, Astrometry of H2O masers in the W 48 A (G35.20-01.74) H ii region with VERA: A compact disk outflow inside core H-2a, PASJ, 2020,

https://ui.adsabs.harvard.edu/abs/2020PASJ..tmp..170C

[38] VERA Collaboration; Hirota, Tomoya; Nagayama, Takumi; Honma, Mareki; Adachi, Yuuki; Burns, Ross A.; Chibueze, James O.; Choi, Yoon Kyung; Hachisuka, Kazuya; Hada, Kazuhiro; Hagiwara, Yoshiaki; Hamada, Shota; Handa, Toshihiro; Hashimoto, Mao; Hirano, Ken; Hirata, Yushi; Ichikawa, Takanori; Imai, Hiroshi; Inenaga, Daichi; Ishikawa, Toshio; Jike, Takaaki; Kameya, Osamu; Kaseda, Daichi; Kim, Jeong Sook; Kim, Jungha; Kim, Mi Kyoung; Kobayashi, Hideyuki; Kono, Yusuke; Kurayama, Tomoharu; Matsuno, Masako; Morita, Atsushi; Motogi, Kazuhito; Murase, Takeru; Nakagawa, Akiharu; Nakanishi, Hiroyuki; Niinuma, Kotaro; Nishi, Junya; Oh, Chung Sik; Omodaka, Toshihiro; Oyadomari, Miyako; Oyama, Tomoaki; Sakai, Daisuke; Sakai, Nobuyuki; Sawada-Satoh, Satoko; Shibata, Katsunori M.; Shizugami, Makoto; Sudo, Jumpei; Sugiyama, Koichiro; Sunada, Kazuyoshi; Suzuki, Syunsaku; Takahashi, Ken; Tamura, Yoshiaki; Tazaki, Fumie; Ueno, Yuji; Uno, Yuri; Urago, Riku; Wada, Koji; Wu, Yuan Wei; Yamashita, Kazuyoshi; Yamashita, Yuto; Yamauchi, Aya; Yuda, Akito, The First VERA Astrometry Catalog,

PASJ, 2020, https://ui.adsabs.harvard.edu/abs/2020PASJ..tmp..168V

[37] Chen, Xi; Sobolev, Andrej M.; Breen, Shari L.; Shen, Zhi-Qiang; Ellingsen, Simon P.; MacLeod, Gordon C.; Li, Bin; Voronkov, Maxim A.; Kaczmarek, Jane F.; Zhang, Jiangshui; Ren, Zhi-Yuan; Wang, Jin; Linz, Hendrik; Hunter, Todd R.; Brogan, Crystal; Sugiyama, Koichiro; Burns, Ross A.; Menten, Karl; Sanna, Alberto; Stecklum, Bringfried; Hirota, Tomoya; Kim, Kee-Tae; Chibueze, James; Heever, SP van den, CH3OH Masers Associated With a Transient Phenomenon in a High-mass Young Stellar Object, ApJL, Volume 890, Issue 2, id.L22, https://ui.adsabs.harvard.edu/abs/2020ApJ...890L..22C

[36] Burns, R. A.; Sugiyama, K.; Hirota, T.; Kim, Kee-Tae; Sobolev, A. M.; Stecklum, B.; MacLeod, G. C.; Yonekura, Y.; Olech, M.; Orosz, G.; Ellingsen, S. P.; Hyland, L.; Caratti o Garatti, A.; Brogan, C.; Hunter, T. R.; Phillips, C.; van den Heever, S. P.; Eislöffel, J.; Linz, H.; Surcis, G.; Chibueze, J. O.; Baan, W.; Kramer, B., A heatwave of accretion energy traced by masers in the G358-MM1 high-mass protostar, Nature Astronomy, Volume 4, p. 506-510, https://ui.adsabs.harvard.edu/abs/2020NatAs...4..506B

[35] Burns, R. A.; Orosz, G.; Bayandina, O.; Surcis, G.; Olech, M.; MacLeod, G.; Volvach, A.; Rudnitskii, G.; Hirota, T.; Immer, K.; Blanchard, J.; Marcote, B.; van Langevelde, H. J.; Chibueze, J. O.; Sugiyama, K.; Kim, Kee-Tae; Val`tts, I.; Shakhvorostova, N.; Kramer, B.; Baan, W. A.; Brogan, C.; Hunter, T.; Kurtz, S.; Sobolev, A. M.; Brand, J.; Volvach, L., VLBI observations of the G25.65+1.05 water maser superburst, MNRAS, Volume 491, Issue 3, p.4069-4075,

https://ui.adsabs.harvard.edu/abs/2020MNRAS.491.4069B

[34] MacLeod, G. C.; Sugiyama, K.; Hunter, T. R.; Quick, J.; Baan, W.; Breen, S. L.; Brogan, C. L.; Burns, R. A.; Caratti o Garatti, A.; Chen, X.; Chibueze, J. O.; Houde, M.; Kaczmarek, J. F.; Linz, H.; Rajabi, F.; Saito, Y.; Schmidl, S.; Sobolev, A. M.; Stecklum, B.; van den Heever, S. P.; Yonekura, Y., Detection of new methanol maser transitions associated with G358.93-0.03, MNRAS, 2019, Volume 489, Issue 3, p.3981-3989,

https://ui.adsabs.harvard.edu/abs/2019MNRAS.489.3981M

[33] Burns, Ross A.;Handa, Toshihiro; Omodaka, Toshihiro; Sobolev, Andrej M.; Kirsanova, Maria S.; Nagayama, Takumi; Chibueze, James O.; Kohno, Mikito; Nakano, Makoto; Sunada, Kazuyoshi; Ladeyschikov, Dmitry A., NH3 observations of the S235 star-forming region: Dense gas in inter-core bridges, PASJ, 2019, 71, 91

[32] Brogan, C. L.; Hunter, T. R.; Towner, A. P. M.; McGuire, B. A.; MacLeod, G. C.; Gurwell, M. A.;Cyganowski, C. J.; Brand, J.; Burns, R. A.; Caratti o Garatti, A.; Chen, X.; Chibueze, J. O.; Hirano, N.; Hirota, T.; Kim, K. -T.; Kramer, B. H.; Linz, H.; Menten, K. M.; Remijan, A.; Sanna, A.; Sobolev, A. M.; Sridharan, T. K.; Stecklum, B.; Sugiyama, K.; Surcis, G.; Van der Walt, J.; Volvach, A. E.; Volvach, L. N., Sub-arcsecond (Sub)millimeter Imaging of the Massive Protocluster G358.93-0.03: Discovery of 14 New Methanol Maser Lines Associated with a Hot Core, ApJL, 2019, 881, 39

[31] James O. Chibueze; Toshihiro Omodaka; Riku Urago; Takumi Nagayama; Jibrin A.

Alhassan; Yoshiro Nishida; Ogochukwu U. Aralu; Ruby van Rooyen; Akiharu Nakagawa, Yuji Ueno, Annual Parallax and Galactic Orbit of Y Lib (IRAS 15090-0549) Mira Variable Star – GALORB Release, PASJ, 2019, 71, 92

[30] Brogan C. L; Hunter T. R; Cyganowski C. J; Chibueze J. O; Friesen R. K; Hirota T; MacLeod G. C; McGuire B. A., The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Flaring of the Water Masers in a North-South Bipolar Outflow Driven by MM1B, ApJ, 2018, 866, 87

[29] Hunter T. R; Brogan C. L; Bartkiewics A; Chibueze J. O; Cyganowski C. J; Hirota T; MacLeod G. C; Sanna A, Torrelles J-M; Understanding Massive Star Formation through Maser Imaging, in An ngVLA Science Book, arXiv:1806.06981

[28] MacLeod G. C; Smits D. P; Goedhart S; Hunter T. R; Brogan C. L; Chibueze J. O; van der Heever S. P; Thesner C. J; Banda P. J; Paulsen J. D; A Masing Event in NGC6334I: Contemporaneous Flaring of Hydroxyl, Methanol and Water masers, 2018, MNRAS, 478, 1077

[27] Hunter, T. R.; Brogan, C. L.; MacLeod, G. C.; Cyganowski, C. J.; Chibueze, J. O.; Friesen, R.; Hirota, T.; Smits, D. P.; Chandler, C. J.; Indebetouw, R., The Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Emergence of Strong 6.7 GHz Methanol Masers, ApJ, 854, 170, 2018.

[26] Umemoto, Tomofumi; Minamidani, Tetsuhiro; Kuno, Nario; Fujita, Shinji; Matsuo, Mitsuhiro; Nishimura, Atsushi; Torii, Kazufumi; Tosaki, Tomoka; Kohno, Mikito; Kuriki, Mika; Tsuda, Yuya; Hirota, Akihiko; Ohashi, Satoshi; Yamagishi, Mitsuyoshi; Handa, Toshihiro; Nakanishi, Hiroyuki; Omodaka, Toshihiro; Koide, Nagito; Matsumoto, Naoko; Onishi, Toshikazu; Tokuda, Kazuki; Seta, Masumichi; Kobayashi, Yukinori; Tachihara, Kengo; Sano, Hidetoshi; Hattori, Yusuke; Onodera, Sachiko; Oasa, Yumiko; Kamegai, Kazuhisa; Tsuboi, Masato; Sofue, Yoshiaki; Higuchi, Aya E.; Chibueze, James O.; Mizuno, Norikazu; Honma, Mareki; Muller, Erik; Inoue, Tsuyoshi; Morokuma-Matsui, Kana; Shinnaga, Hiroko;Ozawa, Takeaki; Takahashi, Ryo; Yoshiike, Satoshi;Costes, Jean; Kuwahara, Sho; FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) I: Project Overview and Initial Results, PASJ, 69, 78, 2017

[25] Chibueze, James O.; Hamabata, Hideo; Nagayama, Takumi; Omodaka, Toshihiro; Handa, Toshihiro; Sunada, Kazuyoshi; Nakano, Makoto; Ueno, Yuji; Sharpless-76E: astrometry and outflows in a protostellar cluster, MNRAS, 466, 4530C, 2017

[24] Chibueze, James O.; Csengeri, Timea; Tatematsu, Ken'ichi; Hasegawa, Tetsuo; Iguchi, Satoru; Alhassan, Jibrin A.; Higuchi, Aya E.; Bontemps, Syvain; Menten, Karl M.; Class II 6.7 GHz Methanol Maser Association with Young Massive Cores Revealed by ALMA, ApJ, 836, 59, 2017

[23] Ogbodo, Chikaedu; Burns Ross; Handa, Toshihiro; Nagayama, Takumi; Chibueze, James O.; Omodaka, Toshihiro; Nakagawa, Akiharu; Honma, Mareki; Ubachukwu Augustine A.; Eze, Romanus; Bowshocks in a newly discovered maser source in IRAS 20231+3440, MNRAS, 469, 4788, 2017

[22] Hunter Todd R.; Brogan Crystal L.; MacLeod, Gordon; Cyganowski, C. J.; Chandler, C. J.; Chibueze, James O.; Friesen, R.; Indebetouw, R.; Thesner, C.; Young, K. H.; An Extraordinary Outburst in the Massive Protostellar System NGC6334I-MM1: Quadrupling of Millimeter Continuum, ApJL, 837, 29, 2017

[21] Nakano, Makoto; Soejima, Takashi; Chibueze, James O.; Nagayama, Takumi; Handa, Toshihiro; Omodaka, Toshihiro; Sunada, Kazuyoshi; Shizugami, Makoto; Kamezaki, Tatsuya; Burns, Ross A.; Interaction between the HII region and AFGL 333-Ridge: Implications for the star formation scenario, PASJ, 69, 16, 2017

[20] Nguyen-Luong, Quang; Nguyen, Hans V. V.; Motte, Fredérique; Schneider, Nicola; Fujii, Michiko; Louvet, Fabien; Hill, Tracey; Sanhueza, Patricio; Chibueze, James O.; Didelon, Pierre; The scaling relations and star formation laws of ministarburst complexes, ApJ, 836, 23, 2016

[19] Kamezaki, Tatsuya; Nakagawa, Akiharu; Omodaka, Toshihiro; Inoue, Kan-ichiro; Chibueze, James O.; Nagayama, Takumi; Ueno, Yuji; Matsunaga, Noriyuki; Annual parallax and a dimming event of a Mira variable star, FV Bootis, PASJ, 68, 75, 2016

[18] Chibueze, James O.; Kamezaki, Tatsuya; Omodaka, Toshihiro; Handa, Toshihiro; Nagayama, Takumi; Baba, Tatsuya; Sunada, Kazuyoshi; Shizugami, Makoto; Burns, Ross A.; Honma, Mareki; Ubachukwu Augustine A.; Chukwude Augustine E.; Alhassan

Jibrin A.; Astrometry and expanding bubble of a deeply embedded young stellar

object in M17, MNRAS, 460, 1839C, 2016

[17] Yun, Youngjoo; Cho, Se-Hyung; Imai, Hiroshi; Kim, Jaeheon; Asaki, Yoshiharu;

Chibueze, James O.; Choi, Yoon Kyung; Dodson, Richard; Kim, Dong-Jin; Kusuno, Kozue; et al, SiO Masers around WX Psc Mapped with the KVN and VERA Array (KaVA), ApJ, 822, 3

[16] Chibueze, James O.; Miyahara, Takeshi; Omodaka, Toshihiro; Ohta, Takashi; Fujii, Takahiro; Masuo, Tanaka; Motohara, Kentaro; Makoto Miyoshi.; Near-Infrared Observations of SiO Maser-emitting Asymptotic Giant Branch (AGB) Stars, ApJ, 817, 115, 2016

[15] Higuchi, Aya E.; Hasegawa, Tetsuo; Saigo, Kazuya; Sanhueza, Patricio; Chibueze, James O.; Sgr B2(N): A Bipolar Outflow and Rotating Hot Core Revealed by ALMA, ApJ, 815, 106, 2015

[14] ALMA Partnership; Fomalont E. B; Vlahakis C.; ... Chibueze, James O.; ... The 2014 ALMA Long Baseline Campaign: An Overview, ApJ Letter, 808, 1, 2015

[13] Higuchi, Aya E.; Saigo, Kazuya; Chibueze, James O.; Sanhueza, Patricio; Takakuwa, Shigehisa; Garay, Guido, IRAS 16547-4247: A New Candidate of a Protocluster Unveiled with ALMA, ApJ Letter, 798, 33, 2015

[12] Nagayama, Takumi; Omodaka, Toshihiro; Handa, Toshihiro; Burns, Ross A.; Chibueze, James O.; Kobayashi, Hideyuki; Sato, Katsuhisa; Ueno, Yuji; Shizugami, Makoto, Astrometry of Galactic star-forming region IRAS 20126+4104 with VERA, PASJ, 150, 2015

[11] Chibueze, James O.; Omodaka, Toshihiro; Handa, Toshihiro; Imai, Hiroshi; Kurayama, Tomoharu; Nagayama, Takumi; Sunada, Kazuyoshi; Nakano, Makoto; Hirota, Tomoya; Honma, Mareki, SAstrometry and Spatio-kinematics of H2O Masers in the Massive Star-forming Region NGC 6334I(North) with VERA, ApJ, 784, 114, 2014

[10] Chibueze, James O.; Sakanoue, Hirofumi; Nagayama, Takumi; Omodaka, Toshihiro; Handa, Toshihiro; Kamezaki, Tatsuya; Burns, Ross A.; Kobayashi, Hideyuki; Nakanishi, Hiroyuki; Honma, Mareki; Trigonometric parallax of IRAS 22555+6213 with VERA: Three-dimensional view of sources along the same line of sight, PASJ, 66, 104, 2014

[9] Matsumoto, Naoko; Hirota, Tomoya; Sugiyama, Koichiro; Kim, Kee-Tae; Kim, Mikyoung; Byun, Do-Young; Jung, Taehyun; Chibueze, James O.; Honma, Mareki; Kameya, Osamu; et al., The First Very Long Baseline Interferometry Image of a 44 GHz Methanol Maser with the KVN and VERA Array (KaVA), ApJ Letter, 789, 1, 2014

[8] Higuchi, Aya E.; Chibueze, James O.; Habe, Asao; Takahira, Ken; Takano, Shuro, ALMA View of G0.253+0.016: Can Cloud-Cloud Collision form the Cloud?, AJ, 147, 141, 2014

[7] Burns, Ross A.; Yamaguchi, Yoshiyuki; Handa, Toshihiro; Omodaka, Toshihiro; Nagayama, Takumi; Nakagawa, Akiharu; Hayashi, Masahiko; Kamezaki, Tatsuya; Chibueze, James O.; Shizugami, Makoto; Nakano, Makoto, VLBI observations of H2O maser annual parallax and proper motion in IRAS 20143+3634: Reflection on the Galactic constants, PASJ, 66, 102, 2014

[6] Chibueze, James O.; Imura, Kenji; Omodaka, Toshihiro; Handa, Toshihiro; Nagayama, Takumi; Fujisawa, Kenta; Sunada, Kazuyoshi; Nakano, Makoto; Kamezaki, Tatsuya; Yamaguchi, Yoshiyuki; Sekido, Mamoru, Star Formation in the Molecular Cloud Associated with the Monkey Head Nebula: Sequential or Spontaneous?, ApJ, 762, 17, 2013

[5] James O. Chibueze, Hiroshi Imai, Daniel Tafoya, Toshihiro Omodaka, Osamu Kameya, Tomoya Hirota, Sze- Ning Chong, and Jose M. Torrelles, A Highly Collimated Water

Maser Bipolar Outflow in the Cepheus A HW3d Massive Young Stellar Object, ApJ,

748, 146 (11 pages), 2012 April 1

[4] Kamezaki, Tatsuya; Imura, Kenji; Omodaka, Toshihiro; Handa, Toshihiro; Tsuboi,

Yohko; Nagayama, Takumi; Hirota, Tomoya; Sunada, Kazuyoshi; Kobayashi, Hideyuki; Chibueze, James O.; Kawai, Eiji; Nakano, Makoto, Annual Parallax Determination toward a New X-Ray-emitting Class 0 Candidate with the Water Maser in the NGC 2264 Star- forming Region, ApJS, 211, 18, 2014

[3] James O. Chibueze, Crystal Brogan, Todd Hunter, and

Claudia J. Cyganowski, sub-millimeter Observation of the SM2 Core of NGC 6334I(N), ApJ, (in prep.), 2018

[2] Selina N. Chong, Sun Kwok, Hiroshi Imai, Daniel Tafoya, and James O. Chibueze, Multipolar Planetary Nebulae: Not as Geometrically Diversified as Thought, ApJ, 760, 115 (10 pages), December, 2012

[1] James O. Chibueze (translated into Japanese by Hirota Tomoya of the NAOJ), Astronomy in Japan – A Success Embedded in Culture, The Astronomical Herald, 105, 5 (4 pages), May, 2012

Publications in Non-Refereed Journals

[1] James O. Chibueze, Bonaventure I. Okere, Pius N. Okeke, Investigation of Radio Quietness of the Proposed Site for the Nigerian 25m Radio Telescope, Nigerian Journal of Space Research, 7, 1 – 12, 31 March, 2010

Professional positions, fellowships & awards

Professional Position

Co-Director, Pan-African School for Emerging Astronomers (PASEA)

Professional Memberships

International Astronomical Union, IAU (Individual Member), South African Institute of Physics, SAIP (Full Member), American Astronomical Society, AAS (International Affiliate Member), Astronomical Society of Japan, ASJ (Member), Royal Astronomical Society, RAS (Member), African Astronomical Society, AfAS (Member), Nigeria Institute of Physics, NIP (Member), Astronomical Society of Nigeria, ASN (Member)

Awards & Grants

• National Research Foundation, NRF C2 rating (2021)
• NWU Faculty Teaching Award 2022
• NAOJ/KU IAUS 380 Grant 2023
• IAU Grant for participation on the IAUGA2022 Busan, South Korea
• SARAO Group Grant 2022 (R1.5 million over 3 years)
• Italy/South Africa Joint Research Programme (ISARP) Grant 2018 – 2020, funded by National Research Foundation (NRF) South Africa
• RadioNet/JIVE SKA-VLBI Grant for research visit to JIVE, Netherlands, May 2018.
• IAU Grant for participation in the IAU Symposium 336 – Astrophysical Masers:
  Unlocking the Mysteries of the Universe, 4 – 8 September 2017.
• 'Distinguish Friend of Kagoshima', awarded by the Kagoshima City Mayor (Hiroyuki
  Mori) 2013.
• Square Kilometer Array (SKA) South Africa special grant support to attend the IAUS
  287, Cosmic Masers: “From OH to H0”, Stellenbosch, South Africa, 2012.
• PhD Scholarship from the Ministry of Education, Culture, Sports, Science, and
  Technology of Japan (MEXT) 2009 – 2013.

Best graduating student award, Department of Physics & Astronomy, University of Nigeria, Nsukka. 2005/2006 session.

Management/Committee Service

• Enhanced Multi-Element Remotely Linked Interferometer Network (eMERLIN) International member of the Steering Committee
• South African Radio Astronomy Observatory, SARAO, User Committee member
• African Astronomical Society, AfAS, Science Committee Chairman
• IAUGA 2024 Science Committee Chairman
• South African Radio Astronomy Observatory, SARAO, postgraduate bursary and postdoc application review panel
• Chair, IAU Vision 2024 MSc Scholarship selection committee

Profession Community Service/Journal Peer Review

• Nature
• Nature Astronomy
• Nature Communications
• Astrophysical Journal
• Astrophysical Journal Supplement
• Astrophysical Journal Letters
• Astronomical Journal
• Monthly Notices of the Royal Astronomical Society
• Publications of the Astronomical Society of Japan
• Astronomy and Computing

Projects

Telescope Proposal Review

2022             Enhanced Multi-Element Remotely Linked Interferometer Network (eMERLIN) Proposal Review Committee

2021             James Webb Space Telescope (JWST) Cycle 1 Proposal Review        Committee

2020             MeerKAT Proposal Review Committee

2013~2015    ASTE Telescope Proposal Review Committee

2013~2014    Mopra Telescope Proposal Review Committee

2014             ALMA Proposal Review Technical Secretary

Successful Telescope Proposals

MeerKAT, Five-hundred-meters Aperture Spherical Telescope (FAST), Very Large Array (VLA), VLBI Exploration of Radio Astrometry (VERA), Japanese VLBI Network (JVN), Korean VLBI Network & VERA (KAVA = KVN+VERA), Nobeyama Radio Observatory (NRO) 45m radio telescope, Sub-millimeter Array (SMA), Atacama Large Millimeter/Submillimeter Array (ALMA), European VLBI Network (EVN)

Other

In Proceedings of conferences, workshops, symposia

• Vorster, Jakobus M.; Chibueze, James O.; Hirota, Tomoya; MacLeod, Gordon C., Tracing Water Masers at their Smallest Scale with VLBI, South African Institute of Physics 2022 Conference Proceeding
• Chibueze, James O., MeerKAT, e-MERLIN, H.E.S.S. and Swift search for persistent and transient emission associated with three localised FRBs, Annual Conference and General Assembly of the African Astronomical Society, 03/2022
• Burns, R. A.; Kobak, A.; Garatti, A. Caratti o.; Tolmachev, A.; Volvach, A.; Alakoz, A.; Wootten, A.; Bisyarina, A.; Dzodzomenyo, A.; Sobolev, A.; Bartkiewicz, A.; Aberfelds, A.; Stecklum, B.; Kramer, B.; Macdonald, C.; Cyganowski, C.; Paco, C.; Garcia Miro, C.; Brogan, C. L.; Li, D.; Smits, D.; Engels, D.; Ladeyschikov, D.; Johnstone, D.; Popova, E.; Proven-Adzri, E.; van den Heever, F.; Orosz, G.; Surcis, G.; Wu, G.; MacLeod, G.; Linz, H.; Imai, H.; Van Langevelde, H.; Valtts, I.; Shmeld, I.; Chibueze, J. O.; Brand, J.; Kumar, J.; Green, J.; Vorster, J.; Eislöffel, J.; Kim, J.; Sugiyama, K.; Menten, K. M.; Immer, K.; Sunada, K.; Kim, K. T.; Volvach, L.; Moscadelli, L.; Jordan, L.; Uscanga, L.; Gray, M. D.; Szymczak, M.; Olech, M.; Hoare, M.; Durjasz, M.; Uchiyama, M.; Shakhvorostova, N.; Bayandina, O.; Wolak, P.; Gulyaev, S.; Khaibrakhmanov, S.; Breen, S.; Goedhart, S.; Casu, S.; Ellingsen, S. P.; Kurtz, S.; Weston, S.; Yoshihiro, T.; Natusch, T.; Hunter, T.; Hirota, T.; Baan, W.; Vlemmings, W. H. T.; Chen, X.; Gong, Y.; Yonekura, Y.; Szabó, Z. Marianna; Abraham, Z.; Monitoring Organization (M2O), Maser, Recent updates on the Maser Monitoring Organisation, European VLBI Network Mini-Symposium and Users' Meeting 2021
• 3 SAIPS conference proceedings
• Hunter, Todd; Bartkiewicz, Anna; Brisken, Walter; Brogan, Crystal L.; Burns, Ross; Chibueze, James O.; Cyganowski, Claudia J.; Hirota, Tomoya; MacLeod, Gordon; Sanna, Alberto; Torrelles, Jose-Maria, Understanding Accretion Outbursts in Massive Protostars through Maser Imaging, Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 13; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 13 (2019), 2019-05-1, https://ui.adsabs.harvard.edu/abs/2019BAAS...51c..13H
• Hunter, Todd R.; Brogan, Crystal; Cyganowski, Claudia J.; Chibueze, James; Friesen, Rachel; MacLeod, Gordon; McGuire, Brett; van den Heever, Fanie, Exciting phenomena powered by the ongoing accretion outburst in the massive protostar NGC6334I-MM1B, American Astronomical Society, AAS Meeting #233, id.354.13, 2019-01-1, https://ui.adsabs.harvard.edu/abs/2019AAS...23335413H
• Burns, R. A.; Bayandina, O.; Orosz, G.; Olech, M.; Immer, K.; Blanchard, J.; Marcote, B.; Van Langevelde, H.; Hirota, T.; Kim, K. T.; Val‘tts, I.; Shakhvorostova, N.; Rudnitskii, G.; Volvach, A.; Volvach, L.; MacLeod, G.; Chibueze, J. O.; Surcis, G.; Kramer, B.; Baan, W.; Brogan, C. L.; Hunter, T.; Kurtz, S., Multi-epoch VLBI of a double maser super burst, 14th European VLBI Network Symposium & Users Meeting. 8-11 October. Granada, Spain. Online at https://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=344, id.75, 2018-11-1, https://ui.adsabs.harvard.edu/abs/2018evn..confE..75B
• Chibueze, J. O.; Hirota, T.; Hunter, T.; MacLeod, G.; Brogan, C. L.; van Rooyen, R., NGC6334I - Tracing the Gas Motion During A Contemporaneous Maser Flare Event, 14th European VLBI Network Symposium & Users Meeting. 8-11 October. Granada, Spain. Online at https://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=344, id.38, 2018-11-1, https://ui.adsabs.harvard.edu/abs/2018evn..confE..38C
• Scragg, T. W.; Stappers, B. W.; Breton, R. P.; Smith, J. N.; Adomako, D.; Asabere, B. Duah; Chibueze, J. O.; Cloete, K., Pulsar Observations at the Ghana Radio Astronomy Observatory, Pulsar Astrophysics the Next Fifty Years, Proceedings of the International Astronomical Union, IAU Symposium, Volume 337, pp. 410-4112018-08-1, https://ui.adsabs.harvard.edu/abs/2018IAUS..337..410S
• James O. Chibueze, Timea Csengeri, Ken’ichi Tatematsu, Tetsuo Hasegawa, Satoru Iguchi, Jibrin A. Alhassan, Aya E. Higuchi, Sylvain Bontemps and Karl M. Menten, Class II 6.7 GHz Methanol Maser Association with Young Massive Cores Revealed by ALMA, Astrophysical Masers:Unlocking the Mysteries of the Universe Proceedings IAU Symposium No. 336, 2017, A. Tarchi, M.J. Reid & P. Castangia, eds.
• J. van der Walt1, J-M. Morgan1, J. O. Chibueze2,1,3 and Q. Zhang, Sub-mm observations of periodic methanol masers, Astrophysical Masers:Unlocking the Mysteries of the Universe Proceedings IAU Symposium No. 336, 2017, A. Tarchi, M.J. Reid & P. Castangia, eds.
• Crystal L. Brogan, Todd R. Hunter, Gordon MacLeod, James O. Chibueze and Claudia J. Cyganowski, The extraordinary outburst in NGC6334I-MM1: dimming of the hypercompact HII region and destruction of water masers, Astrophysical Masers:Unlocking the Mysteries of the Universe Proceedings IAU Symposium No. 336, 2017, A. Tarchi, M.J. Reid & P. Castangia, eds.
• Todd R. Hunter, Crystal L. Brogan, James O. Chibueze, Claudia J. Cyganowski, Tomoya Hirota and Gordon C. MacLeod, The extraordinary outburst in NGC6334I-MM1: the rise of dust and emergence of 6.7 GHz methanol masers, Astrophysical Masers:Unlocking the Mysteries of the Universe Proceedings IAU Symposium No. 336, 2017, A. Tarchi, M.J. Reid & P. Castangia, eds.
• Kee-Tae Kim, Tomoya Hirota, Koichiro Sugiyama, Jungha Kim, Do-Young Byun, James Chibueze, Kazuya Hachisuka, Bo Hu, Eodam Hwang, Ji-Hyun Kang, Jeong-Sook Kim, Mikyoung Kim, Tie Liu, Naoko Matsumoto, Kazuhito Motogi, Chung Sik Oh, Kazuyoshi Sunada, YuanweiWu and KaVA star formation group, Understanding high-mass star formation through KaVA observations of water and methanol masers, Astrophysical Masers:Unlocking the Mysteries of the Universe Proceedings IAU Symposium No. 336, 2017, A. Tarchi, M.J. Reid & P. Castangia, eds.
• James O. Chibueze; Sakanoue, Hirofumi; Nagayama, Takumi; Omodaka, Toshihiro; Handa, Toshihiro; Kamezaki, Tatsuya; Burns, Ross A.; Astrometry of IRAS 22555+6213 with VERA: 3-dimensional view of sources along the same line of sight, Asian Pacific Regional IAU Meeting, Korea (proceedings PKAS, 2015, 30, 119)
• Linda Strubbe, Bonaventure Okere, James O. Chibueze, et al. ‘An Inquiry-based Astronomy Summer School in West Africa’, Astronomy Across Africa: A New Dawn II session, American Astronomical Society, AAS, Meeting (Seattle, WA), 3-8 January, 2015.
• James O. Chibueze, Kenji Imura, Toshihiro Omodaka, Toshihiro Handa, Takumi Nagayama, Kenta Fujisawa, Kazuyoshi Sunada, Makoto Nakano, Tatsuya Kamezaki, Yshiyuki Yamaguchi, ‘Star Formation in the Molecular Cloud Associated with the Monkey Head Nebula: Sequential or Spontaneous?’, Molecular Gas, Dust, and Star Formation in Galaxies, International Astronomical Union General Assembly, IAU Symposium 292 (Beijing, China), 20-24 August, 2012.
• James O. Chibueze, ‘Astronomy Development in Africa Driven by Collaborative Projects’, IAU Strategic Plan and the Global Office of Astronomy for Development, International Astronomical Union General Assembly, IAU Special Session 11 (Beijing, China), 27-28 August, 2012
  1
• Tatsuya Kamezaki, Kenji Imura, Takumi Nagayama, Toshihiro Omodaka , Toshihiro
  Handa, Yoshiyuki Yamaguchi, James O. Chibueze, Kazuyoshi Sunada and Makoto Nakano, VLBI Observations and NH3 Mapping of the Star-forming Region NGC2264,
  Molecular Gas, Dust, and Star Formation in Galaxies Proceedings IAU Symposium No. 292, 2012
• James O. Chibueze, Hiroshi Imai, Daniel Tafoya, Toshihiro Omodaka, Osamu Kameya, Tomoya Hirota, Sze-Ning Chong, and Jose M. Torrelles, ‘A Highly Collimated Water Maser Bipolar Outflow in the Cepheus A HW3d Massive Young Stellar Object’, Cosmic Masers: From OH to H0, Proceedings of the International Astronomical Union, IAU Symposium 287 (Stellenbosch, South Africa), pp. 141-145, Cambridge University Press, 2012
• James O. Chibueze, ‘A Highly Collimated Water Maser Bipolar Outflow in the Cepheus A HW3d Massive Young Stellar Object’, East-Asian Collaboration of SKA Workshop, KASI, Korea. November 30 – December 2, 2011.

James O. Chibueze, ‘Massive Star Formation Activities in Cepheus A’, Star formation workshop, NAOJ Mitaka, Tokyo, November, 2010. Others recent conferences/workshops NRO-ALMA Science/Development Workshop @ Nobeyama Radio Observatory (20-21 July, 2016) ALMA Workshop, ASIAA Taipei, Taiwan (September, 2013) Astronomical Society of Nigeria Anuual Conference (21-22 October, 2013)