Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM

Ohsawa Ryou; Sako Shigeyuki; Sarugaku Yuki; Usui Fumihiko; Ootsubo Takafumi; Fujiwara Yasunori; Sato Mikiya; Kasuga Toshihiro; Arimatsu Ko; Watanabe Jun-ichi; Doi Mamoru; Kobayashi Naoto; Takahashi Hidenori; Motohara Kentaro; Morokuma Tomoki; Konishi Masahiro; Aoki Tsutomu; Soyano Takao; Tarusawa Kenichi; Mori Yuki; Nakada Yoshikazu; Ichiki Bmakoto; Arima Noriaki; Kojima Yuto; Morita Masahiro; Shigeyama Toshikazu; Ita Yoshifusa; Kokubo Mitsuru; Mitsuda Kazuma; Maehara Hiroyuki; Tominaga Nozomu; Yamashita Takuya; Ikeda Shiro; Morii Mikio; Urakawa Seitaro; Okumura Shin-ichiro; Yoshikawa Makoto

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Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM

机译：用广角CMOS马赛克相机Tomo-e PM测量的微弱零星流星的光度函数

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Imaging observations of faint meteors were carried out on April 11 and 14, 2016 with a wide-field CMOS mosaic camera, Tomo-e PM, mounted on the 105-cm Schmidt telescope at Kiso Observatory, the University of Tokyo. Tomo-e PM, which is a prototype model of Tomo-e Gozen, can monitor a sky of similar to 1.98deg(2) at 2 Hz. The numbers of detected meteors are 1514 and 706 on April 11 and 14, respectively. The detected meteors are attributed to sporadic meteors. Their absolute magnitudes range from +4 to +10 mag in the V-band, corresponding to about 8.3 x 10(-2) to 3.3 x 10(-4) g in mass. The present magnitude distributions we obtained are well explained by a single power-law luminosity function with a slope parameter r = 3.1 +/- 0.4 and a meteor rate log(10)N(0) = -5.5 +/- 0.5. The results demonstrate a high performance of telescopic observations with a wide-field video camera to constrain the luminosity function of faint meteors. The performance of Tomo-e Gozenis about two times higher than that of Tomo-e PM. A survey with Tomo-e Gozenwill provide a more robust measurement of the luminosity function.

机译：于2016年4月11日至14日使用东京大学木曾天文台安装在105厘米施密特望远镜上的宽视野CMOS马赛克相机Tomo-e PM对微弱的流星进行了成像观测。 Tomo-e PM是Tomo-e Gozen的原型模型，可以在2 Hz下监视类似于1.98deg（2）的天空。 4月11日和14日检测到的流星分别为1514和706。检测到的流星归因于零星的流星。它们在V波段的绝对大小在+4至+10 mag之间，相当于质量约8.3 x 10（-2）至3.3 x 10（-4）g。我们获得的当前幅度分布可以通过单个幂律光度函数很好地解释，该函数的斜率参数r = 3.1 +/- 0.4和流星率log（10）N（0）= -5.5 +/- 0.5。结果表明，使用宽视场摄像机来约束微弱流星的发光功能时，望远镜观测具有很高的性能。 Tomo-e Gozenis的性能大约是Tomo-e PM的两倍。用Tomo-e Gozen进行的一项调查将提供对发光度函数的更可靠的测量。

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来源
《Planetary and space science》 |2019年第1期|281-292|共12页
作者
Ohsawa Ryou; Sako Shigeyuki; Sarugaku Yuki; Usui Fumihiko; Ootsubo Takafumi; Fujiwara Yasunori; Sato Mikiya; Kasuga Toshihiro; Arimatsu Ko; Watanabe Jun-ichi; Doi Mamoru; Kobayashi Naoto; Takahashi Hidenori; Motohara Kentaro; Morokuma Tomoki; Konishi Masahiro; Aoki Tsutomu; Soyano Takao; Tarusawa Kenichi; Mori Yuki; Nakada Yoshikazu; Ichiki Bmakoto; Arima Noriaki; Kojima Yuto; Morita Masahiro; Shigeyama Toshikazu; Ita Yoshifusa; Kokubo Mitsuru; Mitsuda Kazuma; Maehara Hiroyuki; Tominaga Nozomu; Yamashita Takuya; Ikeda Shiro; Morii Mikio; Urakawa Seitaro; Okumura Shin-ichiro; Yoshikawa Makoto;
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作者单位

Univ Tokyo Inst Astron Grad Sch Sci 2-21-1 Osawa Mitaka Tokyo 1810015 Japan|Univ Tokyo Inst Astron Grad Sch Sci Kiso Observ 10762-30 Mitake Nagano 1076230 Japan;

Univ Tokyo Inst Astron Grad Sch Sci 2-21-1 Osawa Mitaka Tokyo 1810015 Japan|Japan Sci & Technol Agcy JST Precursory Res Embryon Sci & Technol PRESTO 2-21-1 Osawa Mitaka Tokyo 1810015 Japan;

Kyoto Sangyo Univ Koyama Astron Observ Kita Ku Kyoto Kyoto 6038555 Japan;

Kobe Univ Grad Sch Sci Ctr Planetary Sci Chuo Ku 7-1-48 Minatojima Minamimachi Kobe Hyogo 6500047 Japan;

Japan Aerosp Explorat Agcy JAXA ISAS Dept Space Astron & Astrophys Chuo Ku 3-1-1 Yoshinodai Sagamihara Kanagawa 2525210 Japan;

Grad Univ Adv Studies SOKENDAI 10-3 Midoricho Tachikawa Tokyo 1908518 Japan;

Nippon Meteor Soc Fuchu Tokyo Japan;

Natl Astron Observ Japan 2-21-1 Osawa Mitaka Tokyo 1818588 Japan;

Univ Tokyo Inst Astron Grad Sch Sci 2-21-1 Osawa Mitaka Tokyo 1810015 Japan;

Univ Tokyo Inst Astron Grad Sch Sci Kiso Observ 10762-30 Mitake Nagano 1076230 Japan;

Univ Tokyo Res Ctr Early Universe Bunkyo Ku Sch Sci Bldg 4 Hongo 7-3-1 Tokyo 1130033 Japan;

Tohoku Univ Astron Inst Aoba Ward 2 Chome-1-1 Katahira Sendai Miyagi 9808577 Japan;

Kyoto Univ Grad Sch Sci Astron Observ Sakyo Ku Kyoto 6068501 Japan;

Konan Univ Fac Sci & Engn Dept Phys Higashinada Ward 8 Chome-9-1 Okamoto Kobe Hyogo 6580072 Japan;

Inst Stat Math 10-3 Midori Cho Tachikawa Tokyo 1908562 Japan;

Inst Stat Math 10-3 Midori Cho Tachikawa Tokyo 1908562 Japan|Japan Spaceguard Assoc Bisei Spaceguard Ctr 1716-3 Ookura Ibara Okayama 7141411 Japan;

Japan Spaceguard Assoc Bisei Spaceguard Ctr 1716-3 Ookura Ibara Okayama 7141411 Japan;

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原文格式 PDF
正文语种 eng
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关键词
Meteors; Meteoroids; Interplanetary medium;

机译：流星;流星体;行星际介质;

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专利

1. Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM [J] . Ohsawa Ryou, Sako Shigeyuki, Sarugaku Yuki, Planetary and space science . 2019,第JANa期

机译：用广角CMOS马赛克相机Tomo-e PM测量的微弱零星流星的光度函数
2. DIFFERENCES IN THE LUMINOSITY FUNCTIONS OF FAINT EARLY-TYPE AND FAINT LATE-TYPE GALAXIES IN FOUR NEARBY CLUSTERS OF GALAXIES [J] . Nobunari Kashikawa, Kazuhiro Shimasaku, Masafumi Yagi, The Astrophysical journal . 1995,第2Pt2期

机译：四个邻近星系团中早期早期型和晚期晚型星系的发光度函数的差异
3. DIFFERENCES IN THE LUMINOSITY FUNCTIONS OF FAINT EARLY-TYPE AND FAINT LATE-TYPE GALAXIES IN FOUR NEARBY CLUSTERS OF GALAXIES [J] . Nobunari Kashikawa, Kazuhiro Shimasaku, Masafumi Yagi, The Astrophysical journal . 1995,第2Pt2期

机译：四个邻近星系团中早期早期型和晚期晚型星系的发光度函数的差异
4. Development of a real-time data processing system for a prototype of the Tomo-e Gozen wide field CMOS camera [C] . Ryou Ohsawa, Shigeyuki Sako, Hidenori Takahashi, Conference on software and cyberinfrastructure for astronomy IV . 2016

机译：为Tomo-e Gozen宽视野CMOS相机原型开发实时数据处理系统
5. Observing Simulated Images of the High Redshift Universe: The Faint End Luminosity Function. [D] . Morgan, Robert. 2012

机译：观察高红移宇宙的模拟图像：末梢发光度函数。
6. Towards real-time wide-field fluorescence lifetime imaging of 5-ALA labeled brain tumors with multi-tap CMOS cameras [O] . David Reichert, Mikael T. Erkkilä, Gerhard Holst, 2020

机译：使用多抽头CMOS相机实现5-ALA标记的脑肿瘤的实时宽视场荧光寿命实时成像
7. Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM [O] . Ryou Ohsawa, Shigeyuki Sako, Yuki Sarugaku, 2019

机译：用宽野CMOS马赛克相机Tomo-e PM测量微弱散摩器的亮度函数

Luminosity function of faint sporadic meteors measured with a wide-field CMOS mosaic camera Tomo-e PM

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