J-GEM optical and near-infrared follow-up of gravitational wave events during LIGO’s and Virgo’s third observing run

Author:

Sasada Mahito12,Utsumi Yousuke3,Itoh Ryosuke4,Tominaga Nozomu56,Tanaka Masaomi7,Morokuma Tomoki8,Yanagisawa Kenshi19,Kawabata Koji S1,Ohgami Takayuki5,Yoshida Michitoshi10,Abe Fumio11,Adachi Ryo12,Akitaya Hiroshi1,Chong Yang13,Daikuhara Kazuki714,Hamasaki Ryo5,Honda Satoshi15,Hosokawa Ryohei12,Iida Kota12,Imazato Fumiya13,Ishioka Chihiro16,Iwasaki Takumi5,Jian Mingjie17,Kamei Yuhei11,Kanai Takahiro14,Kaneda Hidehiro18,Kaneko Ayane513,Katoh Noriyuki15,Kawai Nobuyuki12,Kubota Keiichiro1419,Kubota Yuma16,Mamiya Hideo12,Matsubayashi Kazuya20,Morihana Kumiko1821,Murata Katsuhiro L12,Nagayama Takahiro22,Nakamura Noriatsu12,Nakaoka Tatsuya1,Niino Yuu823,Nishinaka Yuki13,Niwano Masafumi12,Nogami Daisaku19,Oasa Yumiko1624,Oeda Miki12,Ogawa Futa12,Ohsawa Ryou8,Ohta Kouji19,Oide Kohei16,Onozato Hiroki15,Sako Shigeyuki8,Saito Tomoki15,Sekiguchi Yuichiro14,Shigeyama Toshikazu23,Shigeyoshi Takumi16,Shikauchi Minori2325,Shiraishi Kazuki12,Suzuki Daisuke26,Takagi Kengo13,Takahashi Jun15,Takarada Takuya2427,Takayama Masaki15,Takeuchi Himeka24,Tamura Yasuki16,Tanaka Ryoya14,Toma Sayaka12,Tozuka Miyako15,Uchida Nagomi13,Uzawa Yoshinori16,Yamanaka Masayuki20,Yasuda Moeno14,Yatsu Yoichi12

Affiliation:

1. Hiroshima Astrophysical Science Center, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan

2. Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, 2-12 Hoshigaoka, Mizusawa, Oshu, Iwate 023-0861, Japan

3. Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), SLAC National Accelerator Laboratory, Stanford University, 2575 Sand Hill Road, Menlo Park, CA 94025, USA

4. Bisei Astronomical Observatory, 1723-70 Ookura, Bisei-cho, Ibara, Okayama 714-1411, Japan

5. Department of Physics, Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Kobe, Hyogo 658-8501, Japan

6. Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583, Japan

7. Astronomical Institute, Tohoku University, Sendai 980-8578, Japan

8. Institute of Astronomy, Graduate School of Science, The University of Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan

9. National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

10. Subaru Telescope, National Astronomical Observatory of Japan, 650 North A’ohoku Place, Hilo, HI 96720,USA

11. Institute for Space-Earth Environmental Research, Nagoya University, Chikusa-ku, Aichi 464-8601, Japan

12. Department of Physics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan

13. Department of Physical Science, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima 739-8526, Japan

14. Department of Physics, Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan

15. Nishi-harima Astronomical Observatory, Center for Astronomy, University of Hyogo, 407-2 Nishi-gaichi, Sayo, Hyogo 679-5313, Japan

16. Faculty of Education, Saitama University, Simo-okubo 255, Sakura-ku, Saitama 338-8570, Japan

17. Department of Astronomy, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

18. Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8602, Japan

19. Department of Astronomy, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan

20. Okayama Observatory, Kyoto University, 3037-5 Honjo, Kamogata-cho, Asakuchi, Okayama 719-0232, Japan

21. Institute of Liberal Arts and Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan

22. Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima-city, Kagoshima 890-0065, Japan

23. Research Center for the Early Universe, the University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan

24. Graduate School of Science and Engineering, Saitama University, Simo-okubo 255, Sakura-ku, Saitama 338-8570, Japan

25. Department of Physics, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan

26. Department of Earth and Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

27. Astrobiology Center, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

Abstract

Abstract The Laser Interferometer Gravitational-wave Observatory Scientific Collaboration and Virgo Collaboration (LVC) sent out 56 gravitational-wave (GW) notices during the third observing run (O3). The Japanese Collaboration for Gravitational wave ElectroMagnetic follow-up (J-GEM) performed optical and near-infrared observations to identify and observe an electromagnetic (EM) counterpart. We constructed a web-based system that enabled us to obtain and share information on candidate host galaxies for the counterpart, and the status of our observations. Candidate host galaxies were selected from the GLADE catalog with a weight based on the 3D GW localization map provided by LVC. We conducted galaxy-targeted and wide-field blind surveys, real-time data analysis, and visual inspection of observed galaxies. We performed galaxy-targeted follow-ups to 23 GW events during O3, and the maximum probability covered by our observations reached 9.8$\%$. Among these, we successfully started observations for 10 GW events within 0.5 days after the detection. This result demonstrates that our follow-up observation has the potential to constrain EM radiation models for a merger of binary neutron stars at a distance of up to $\sim$100 Mpc with a probability area of $\leq$ 500 deg$^2$.

Publisher

Oxford University Press (OUP)

Subject

General Physics and Astronomy

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