持续数秒量级暂现源的光学搜寻
天体物理仪器与方法
2020-02-19 v1
摘要
利用 Tomo-e Gozen 广角 CMOS 拼接相机的原型机，我们以 2 Hz 的帧率获取广角光学图像，并从中搜寻持续 1.5 至 11.5 秒的暂现源。在八个夜晚的观测中，我们的巡天覆盖约一平方度上等效两天的时间，在 1 秒曝光下对应约 的极限星等通量。在用人眼检查软件流水线筛选出的候选体后，我们发现没有满足全部标准的源。我们计算了与巡天一致的光学暂现源发生率上限，并将其与代表性短时光学光变源的预期与观测发生率作了比较。
引用
@article{arxiv.1910.11343,
title = {An optical search for transients lasting a few seconds},
author = {Michael W. Richmond and Masaomi Tanaka and Tomoki Morokuma and Shigeyuki Sako and Ryou Ohsawa and Noriaki Arima and Nozomu Tominaga and Mamoru Doi and Tsutomu Aoki and Ko Arimatsu and Makoto Ichiki and Shiro Ikeda and Yoshifusa Ita and Toshihiro Kasuga and Koji S. Kawabata and Hideyo Kawakita and Naoto Kobayashi and Mitsuru Kokubo and Masahiro Konishi and Hiroyuki Maehara and Hiroyuki Mito and Takashi Miyata and Yuki Mori and Mikio Morii and Kentaro Motohara and Yoshikazu Nakada and Shin-Ich and Hiroki Onozato and Yuki Sarugaku and Mikiya Sato and Toshikazu Shigeyama and Takao Soyano and Hidenori Takahashi and Ataru Tanikawa and Ken'ichi Tarusawa and Seitaro Urakawa and Fumihiko Usui and Junichi Watanabe and Takuya Yamashita and Makoto Yoshikawa},
journal= {arXiv preprint arXiv:1910.11343},
year = {2020}
}
备注
Accepted for publication in PASJ, 26 pages, 10 figures. The posted version here is our original manuscript, before any changes in response to the referee's comments; to see a copy of the version which was accepted for publication, go to http://spiff.rit.edu/richmond/pub/tomoe_trans.pdf