The formation and evolution of nearby galaxies studied with Hyper Suprime-Cam on the Subaru Telescope
| Project/Area Number |
15K05037
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Astronomy
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| Research Institution | National Astronomical Observatory of Japan |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 画像処理 / 近傍銀河 / 銀河天文学 / 天体画像処理 / 画像解析 |
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| Outline of Final Research Achievements |
The data analysis procedure which is optimized for the studies of nearby galaxies using Hyper Suprime-Cam on the Subaru Telescope is investigated. The key points in the data analysis which are specific to the analysis of nearby galaxies include (1) the subtraction of background light, (2) stellar photometry in crowded fields, and (3) the reduction of ghosts in the image due to reflections of telescope optics. Based on the optimized data analysis procedure, the formation and evolution of nearby galaxies is studied in detail from new points of view: that are the detailed study of stellar stream in the halo of Andromeda galaxy and the estimate of binary fraction in Ursa Minor dwarf spheroidal galaxy.
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Report
(4 results)
Research Products
(14 results)
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[Journal Article] Stellar Stream and Halo Structure in the Andromeda Galaxy from a Subaru/Hyper Suprime-Cam Survey2018
Author(s)
Komiyama, Yutaka; Chiba, Masashi; Tanaka, Mikito; Tanaka, Masayuki; Kirihara, Takanobu; Miki, Yohei; Mori, Masao; Lupton, Robert H.; Guhathakurta, Puragra; Kalirai, Jason S.; Gilbert, Karoline; Kirby, Evan; Lee, Myun Gyoon; Jang, In Sung; Sharma, Sanjib; Hayashi, Kohei
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Journal Title
The Astrophysical Journal
Volume: 853
Issue: 1
Pages: 29-51
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Presentation] Hyper Suprime-Cam で探るアンドロメダ銀河の恒星ストリームとハロー構造2018
Author(s)
小宮山裕, 千葉柾司, 田中幹人, 田中賢幸, 桐原崇亘, 三木洋平, 森正夫, Lupton, R. H., Guhathakurta, P., Kalirai, J. S., Gilbert, K., Kirby, E., Lee, M. G., Jang, I. S., Sharma, S., 林航平
Organizer
日本天文学会春季年会
Related Report
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