J-GEM Follow-Up Observations of The Gravitational Wave Source GW151226

We report the results of optical--infrared follow-up observations of the gravitational wave (GW) event GW151226 detected by the Advanced LIGO in the framework of J-GEM (Japanese collaboration for Gravitational wave ElectroMagnetic follow-up). We performed wide-field optical imaging surveys with Kiso...

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Published in:arXiv.org 2016-11
Main Authors: Yoshida, Michitoshi, Utsumi, Yousuke, Tominaga, Nozomu, Morokuma, Tomoki, Tanaka, Masaomi, Asakura, Yuichiro, Matsubayashi, Kazuya, Ohta, Kouji, Abe, Fumio, Chimasu, Sho, Furusawa, Hisanori, Itoh, Ryosuke, Itoh, Yoichi, Kanda, Yuka, Kawabata, Koji S, Kawabata, Miho, Koshida, Shintaro, Koshimoto, Naoki, Kuroda, Daisuke, Moritani, Yuki, Motohara, Kentaro, Murata, Katsuhiro L, Nagayama, Takahiro, Nakaoka, Tatsuya, Nakata, Fumiaki, Nishioka, Tsubasa, Saito, Yoshihiko, Terai, Tsuyoshi, Tristram, Paul J, Yanagisawa, Kenshi, Yasuda, Naoki, Doi, Mamoru, Fujisawa, Kenta, Kawachi, Akiko, Kawai, Nobuyuki, Tamura, Yoichi, Uemura, Makoto, Yatsu, Yoichi
Format: Article
Language:English
Subjects:
Active galactic nuclei
Constraining
Field cameras
Galaxies
Gravitation
Gravitational waves
Infrared telescopes
Northern sky
Sky surveys (astronomy)
Supernovae
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Summary:We report the results of optical--infrared follow-up observations of the gravitational wave (GW) event GW151226 detected by the Advanced LIGO in the framework of J-GEM (Japanese collaboration for Gravitational wave ElectroMagnetic follow-up). We performed wide-field optical imaging surveys with Kiso Wide Field Camera (KWFC), Hyper Suprime-Cam (HSC), and MOA-cam3. The KWFC survey started at 2.26 days after the GW event and covered 778 deg\(^2\) centered at the high Galactic region of the skymap of GW151226. We started the HSC follow-up observations from 12 days after the event and covered an area of 63.5 deg\(^2\) of the highest probability region of the northern sky with the limiting magnitudes of 24.6 and 23.8 for i band and z band, respectively. MOA-cam3 covered 145 deg\(^2\) of the skymap with MOA-red filter 2.5 months after the GW alert. Total area covered by the wide-field surveys was 986.5 deg\(^2\). The integrated detection probability of all the observed area was \(\sim\)29%. We also performed galaxy-targeted observations with six optical and near-infrared telescopes from 1.61 days after the event. Total of 238 nearby (
ISSN:2331-8422
DOI:10.48550/arxiv.1611.01588