A type Ia supernova at the heart of superluminous transient SN 2006gy
Jerkstrand, Anders, Maeda, Keiichi, Kawabata, Koji S
Published in Science (American Association for the Advancement of Science) (24.01.2020)
Published in Science (American Association for the Advancement of Science) (24.01.2020)
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Journal Article
SN 2020uem: a Possible Thermonuclear Explosion within a Dense Circumstellar Medium. I. The Nature of Type IIn/Ia-CSM SNe from Photometry and Spectroscopy
Uno, Kohki, Maeda, Keiichi, Nagao, Takashi, Nakaoka, Tatsuya, Motohara, Kentaro, Tajitsu, Akito, Konishi, Masahiro, Koyama, Shuhei, Takahashi, Hidenori, Tanaka, Masaomi, Kuncarayakti, Hanindyo, Kawabata, Miho, Yamanaka, Masayuki, Aoki, Kentaro, Isogai, Keisuke, Taguchi, Kenta, Ogawa, Mao, Kawabata, Koji S., Yoshii, Yuzuru, Miyata, Takashi, Imazawa, Ryo
Published in The Astrophysical journal (01.02.2023)
Published in The Astrophysical journal (01.02.2023)
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Journal Article
Narrow Fe–Kα Reverberation Mapping Unveils the Deactivated Broad-line Region in a Changing-look Active Galactic Nucleus
Noda, Hirofumi, Mineta, Taisei, Minezaki, Takeo, Sameshima, Hiroaki, Kokubo, Mitsuru, Kawamuro, Taiki, Yamada, Satoshi, Horiuchi, Takashi, Matsumoto, Hironori, Watanabe, Makoto, Morihana, Kumiko, Itoh, Yoichi, Kawabata, Koji S., Fukazawa, Yasushi
Published in The Astrophysical journal (01.01.2023)
Published in The Astrophysical journal (01.01.2023)
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Journal Article
Late-phase Spectropolarimetric Observations of Superluminous Supernova SN 2017egm to Probe the Geometry of the Inner Ejecta
Saito, Sei, Tanaka, Masaomi, Moriya, Takashi J., Bulla, Mattia, Leloudas, Giorgos, Inserra, Cosimo, Lee, Chien-Hsiu, Kawabata, Koji S., Mazzali, Paolo
Published in The Astrophysical journal (01.05.2020)
Published in The Astrophysical journal (01.05.2020)
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Journal Article
Far-ultraviolet to Near-infrared Observations of SN 2023ixf: A High-energy Explosion Engulfed in Complex Circumstellar Material
Teja, Rishabh Singh, Singh, Avinash, Basu, Judhajeet, Anupama, G. C., Sahu, D. K., Dutta, Anirban, Swain, Vishwajeet, Nakaoka, Tatsuya, Pathak, Utkarsh, Bhalerao, Varun, Barway, Sudhanshu, Kumar, Harsh, A. J., Nayana, Imazawa, Ryo, Kumar, Brajesh, Kawabata, Koji S.
Published in Astrophysical journal. Letters (01.09.2023)
Published in Astrophysical journal. Letters (01.09.2023)
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Journal Article
SN 2018gj: A Short Plateau Type II Supernova with Persistent Blueshifted Ha Emission
Teja, Rishabh Singh, Singh, Avinash, Sahu, D. K., Anupama, G. C., Kumar, Brajesh, Nakaoka, Tatsuya, Kawabata, Koji S, Yamanaka, Masayuki, Takey, Ali, Kawabata, Miho
Published in The Astrophysical journal (01.09.2023)
Published in The Astrophysical journal (01.09.2023)
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Journal Article
Interstellar Polarization Survey. III. Relation between Optical Polarization and Reddening in the General Interstellar Medium
Angarita, Y., Versteeg, M. J. F., Haverkorn, M., Rodrigues, C. V., Magalhães, A. M., Santos-Lima, R., Kawabata, Koji S.
Published in The Astronomical journal (01.07.2023)
Published in The Astronomical journal (01.07.2023)
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Journal Article
Magnetic Fields in the Southern Coalsack and Beyond
Versteeg, M. J. F., Angarita, Y., Magalhães, A. M., Haverkorn, M., Rodrigues, C. V., Santos-Lima, R., Kawabata, Koji S.
Published in The Astronomical journal (01.04.2024)
Published in The Astronomical journal (01.04.2024)
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Journal Article
Light-curve properties of SN 2017fgc and HV SNe Ia
Burgaz, Umut, Maeda, Keiichi, Kalomeni, Belinda, Kawabata, Miho, Yamanaka, Masayuki, Kawabata, Koji S, Kawahara, Naoki, Nakaoka, Tatsuya
Published in Monthly notices of the Royal Astronomical Society (01.04.2021)
Published in Monthly notices of the Royal Astronomical Society (01.04.2021)
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Journal Article
Spectropolarimetry of the superwind filaments of the starburst galaxy M 82 II: Kinematics of the dust surrounding the nuclear starburst
Yoshida, Michitoshi, Kawabata, Koji S, Ohyama, Youichi, Itoh, Ryosuke, Hattori, Takashi
Published in Publications of the Astronomical Society of Japan (01.08.2019)
Published in Publications of the Astronomical Society of Japan (01.08.2019)
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Journal Article
Tomographic Imaging of the Sagittarius Spiral Arm's Magnetic Field Structure
Doi, Yasuo, Nakamura, Kengo, Kawabata, Koji S., Matsumura, Masafumi, Akitaya, Hiroshi, Coudé, Simon, Rodrigues, Claudia V., Kwon, Jungmi, Tamura, Motohide, Tahani, Mehrnoosh, Magalhães, Antonio Mario, Santos-Lima, Reinaldo, Angarita, Yenifer, Versteeg, José, Haverkorn, Marijke, Hasegawa, Tetsuo, Sadavoy, Sarah, Arzoumanian, Doris, Bastien, Pierre
Published in The Astrophysical journal (01.01.2024)
Published in The Astrophysical journal (01.01.2024)
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Journal Article
Interstellar Polarization Survey. II. General Interstellar Medium
Versteeg, M. J. F., Magalhães, A. M., Haverkorn, M., Angarita, Y., Rodrigues, C. V., Santos-Lima, R., Kawabata, Koji S.
Published in The Astronomical journal (01.03.2023)
Published in The Astronomical journal (01.03.2023)
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Journal Article
Calcium-rich Transient SN 2019ehk in a Star-forming Environment: Yet Another Candidate for a Precursor of a Double Neutron-star Binary
Nakaoka, Tatsuya, Maeda, Keiichi, Yamanaka, Masayuki, Tanaka, Masaomi, Kawabata, Miho, Moriya, Takashi J., Kawabata, Koji S., Tominaga, Nozomu, Takagi, Kengo, Imazato, Fumiya, Morokuma, Tomoki, Sako, Shigeyuki, Ohsawa, Ryou, Nagao, Takashi, Jiang, Ji-an, Burgaz, Umut, Taguchi, Kenta, Uemura, Makoto, Akitaya, Hiroshi, Sasada, Mahito, Isogai, Keisuke, Otsuka, Masaaki, Maehara, Hiroyuki
Published in The Astrophysical journal (01.05.2021)
Published in The Astrophysical journal (01.05.2021)
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Journal Article
Interstellar Polarization Survey. IV. Characterizing the Magnetic Field Strength and Turbulent Dispersion Using Optical Starlight Polarization in the Diffuse Interstellar Medium
Angarita, Y., Versteeg, M. J. F., Haverkorn, M., Marchal, A., Rodrigues, C. V., Magalhães, A. M., Santos-Lima, R., Kawabata, Koji S.
Published in The Astronomical journal (01.07.2024)
Published in The Astronomical journal (01.07.2024)
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Journal Article
SN 2020uem: a Possible Thermonuclear Explosion within a Dense Circumstellar Medium (II). The Properties of the CSM from Polarimetry and Light-curve Modeling
Uno, Kohki, Nagao, Takashi, Maeda, Keiichi, Kuncarayakti, Hanindyo, Tanaka, Masaomi, Kawabata, Koji S., Nakaoka, Tatsuya, Kawabata, Miho, Yamanaka, Masayuki, Aoki, Kentaro, Isogai, Keisuke, Ogawa, Mao, Tajitsu, Akito, Imazawa, Ryo
Published in The Astrophysical journal (01.02.2023)
Published in The Astrophysical journal (01.02.2023)
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Journal Article
(3200) Phaethon polarimetry in the negative branch: new evidence for the anhydrous nature of the DESTINY+ target asteroid
Geem, Jooyeon, Ishiguro, Masateru, Takahashi, Jun, Akitaya, Hiroshi, Kawabata, Koji S, Nakaoka, Tatsuya, Imazawa, Ryo, Mori, Fumiki, Jin, Sunho, Bach, Yoonsoo P, Jo, Hangbin, Kuroda, Daisuke, Hasegawa, Sunao, Yoshida, Fumi, Ishibashi, Ko, Sekiguchi, Tomohiko, Beniyama, Jin, Arai, Tomoko, Ikeda, Yuji, Shinnaka, Yoshiharu, Granvik, Mikael, Siltala, Lauri, Djupvik, Anlaug A, Kasikov, Anni, Pinter, Viktoria, Knudstrup, Emil
Published in Monthly notices of the Royal Astronomical Society. Letters (01.10.2022)
Published in Monthly notices of the Royal Astronomical Society. Letters (01.10.2022)
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Journal Article
SN 2017czd: A Rapidly Evolving Supernova from a Weak Explosion of a Type IIb Supernova Progenitor
Nakaoka, Tatsuya, Moriya, Takashi J., Tanaka, Masaomi, Yamanaka, Masayuki, Kawabata, Koji S., Maeda, Keiichi, Kawabata, Miho, Kawahara, Naoki, Itagaki, Koichi, Ouchi, Ryoma, Blinnikov, Sergei I., Tominaga, Nozomu, Uemura, Makoto
Published in The Astrophysical journal (10.04.2019)
Published in The Astrophysical journal (10.04.2019)
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Journal Article
Origins of the Long-term Variability of the Near-infrared Emission of the Black Hole X-Ray Binary GRS 1915+105 in the X-Ray Low Luminous State
Imazato, Fumiya, Sasada, Mahito, Uemura, Makoto, Fukazawa, Yasushi, Takahashi, Hiromitsu, Nakaoka, Tatsuya, Akitaya, Hiroshi, Kawabata, Koji S., Akimoto, Masanori, Fujisawa, Kenta
Published in The Astrophysical journal (01.08.2021)
Published in The Astrophysical journal (01.08.2021)
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Journal Article
Bridging between Type IIb and Ib Supernovae: SN IIb 2022crv with a Very Thin Hydrogen Envelope
Gangopadhyay, Anjasha, Maeda, Keiichi, Singh, Avinash, A. J., Nayana, Nakaoka, Tatsuya, Kawabata, Koji S., Taguchi, Kenta, Singh, Mridweeka, Chandra, Poonam, Ryder, Stuart D., Dastidar, Raya, Yamanaka, Masayuki, Kawabata, Miho, Alsaberi, Rami Z. E., Dukiya, Naveen, Teja, Rishabh Singh, Ailawadhi, Bhavya, Dutta, Anirban, Sahu, D. K., Moriya, Takashi J., Misra, Kuntal, Tanaka, Masaomi, Chevalier, Roger, Tominaga, Nozomu, Uno, Kohki, Imazawa, Ryo, Hamada, Taisei, Hori, Tomoya, Isogai, Keisuke
Published in The Astrophysical journal (01.11.2023)
Published in The Astrophysical journal (01.11.2023)
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