Second data release of the Hyper Suprime-Cam Subaru Strategic Program

被引：401

作者：

Aihara, Hiroaki ^{[1
,2
]}

AlSayyad, Yusra ^{[3
]}

Ando, Makoto ^{[4
]}

Armstrong, Robert ^{[5
]}

Bosch, James ^{[3
]}

Egami, Eiichi ^{[6
]}

Furusawa, Hisanori ^{[7
]}

Furusawa, Junko ^{[7
]}

Goulding, Andy ^{[3
]}

Harikane, Yuichi ^{[7
,8
]}

Hikage, Chiaki ^{[2
]}

Ho, Paul T. P. ^{[9
]}

Hsieh, Bau-Ching ^{[9
]}

Huang, Song ^{[10
]}

Ikeda, Hiroyuki ^{[7
]}

Imanishi, Masatoshi ^{[7
]}

Ito, Kei ^{[11
]}

Iwata, Ikuru ^{[7
,11
]}

Jaelani, Anton T. ^{[12
]}

Kakuma, Ryota ^{[8
]}

Kawana, Kojiro ^{[1
]}

Kikuta, Satoshi ^{[11
]}

Kobayashi, Umi ^{[11
]}

Koike, Michitaro ^{[7
]}

Komiyama, Yutaka ^{[7
,11
]}

Li, Xiangchong ^{[2
,4
]}

Liang, Yongming ^{[11
]}

Lin, Yen-Ting ^{[9
]}

Luo, Wentao ^{[1
,2
]}

Lupton, Robert ^{[3
]}

Lust, Nate B. ^{[3
]}

MacArthur, Lauren A. ^{[3
]}

Matsuoka, Yoshiki ^{[13
]}

Mineo, Sogo ^{[7
]}

Miyatake, Hironao ^{[2
,14
,15
]}

Miyazaki, Satoshi ^{[7
]}

More, Surhud ^{[16
]}

Murata, Ryoma ^{[1
,2
]}

Namiki, Shigeru, V ^{[11
]}

Nishizawa, Atsushi J. ^{[14
,15
]}

Oguri, Masamune ^{[1
,2
,17
]}

Okabe, Nobuhiro ^{[18
]}

Okamoto, Sakurako ^{[19
]}

Okura, Yuki ^{[7
]}

Ono, Yoshiaki ^{[8
]}

Onodera, Masato ^{[19
]}

Onoue, Masafusa ^{[20
]}

Osato, Ken ^{[21
]}

Ouchi, Masami ^{[2
,8
]}

Shibuya, Takatoshi ^{[22
]}

机构：

[1] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[2] Univ Tokyo, Kavli Inst Phys & Math Universe, Kavli IPMU, WPI, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778583, Japan

[3] Princeton Univ, Dept Astrophys Sci, 4 Ivy Lane, Princeton, NJ 08544 USA

[4] Univ Tokyo, Grad Sch Sci, Dept Astron, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[5] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94551 USA

[6] Univ Arizona, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA

[7] Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[8] Univ Tokyo, Inst Cosm Ray Res, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778582, Japan

[9] Acad Sinica, Inst Astron & Astrophys, 11F Astron Math Bldg,AS NTU 1,Sec 4,Roosevelt Rd, Taipei 10617, Taiwan

[10] Univ Calif Santa Cruz, Dept Astron & Astrophys, 1156 High St, Santa Cruz, CA 95064 USA

[11] Grad Univ Adv Studies SOKENDAI, Sch Sci, Dept Astron, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[12] Kindai Univ, Dept Phys, 3-4-1 Kowakae, Osaka 5778502, Japan

[13] Ehime Univ, Res Ctr Space & Cosm Evolut, 2-5 Bunkyo Cho, Matsuyama, Ehime 7908577, Japan

[14] Nagoya Univ, Inst Adv Res, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[15] Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648602, Japan

[16] Inter Univ Ctr Astron & Astrophys, Pune 411007, Maharashtra, India

[17] Univ Tokyo, Res Ctr Early Universe, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[18] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 7398526, Japan

[19] Natl Astron Observ Japan, Subaru Telescope, 650 N Aohoku PI, Hilo, HI 96720 USA

[20] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[21] Sorbonne Univ, CNRS, UMR 7095, Inst Astrophys Paris, 98 Bis Blvd Arago, F-75014 Paris, France

[22] Kitami Inst Technol, 165 Koen Cho, Kitami, Hokkaido 0908507, Japan

[23] Nagoya Univ, Dept Phys & Astrophys, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648602, Japan

[24] Kyoto Univ, Dept Astron, Sakyo Ku, Kitashirakawa Oiwake Cho, Kyoto, Kyoto 6068502, Japan

[25] Stanford Univ, SLAC Natl Accelerator Lab, Kavli Inst Particle Astrophys & Cosmol, 2575 Sand Hill Rd,M-S 29, Menlo Pk, CA 94025 USA

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2019年 / 71卷 / 06期

基金：

美国国家航空航天局; 美国安德鲁·梅隆基金会; 日本科学技术振兴机构; 美国国家科学基金会; 日本学术振兴会;

关键词：

astronomical databases: miscellaneous; cosmology: observations; galaxies: general; surveys; GALAXIES; IMAGES;

D O I：

10.1093/pasj/psz103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This paper presents the second data release of the Hyper Suprime-Cam Subaru Strategic Program, a wide -field optical imaging survey using the 8.2 m Subaru Telescope. The release includes data from 174 nights of observation through 2018 January. The Wide layer data cover about 300 deg(2) in all five broad -band filters (grizO to the nominal survey exposure (10 min in gr and 20 min in izy). Partially observed areas are also included in the release; about 1100 deg(2) is observed in at least one filter and one exposure. The median seeing in the i-band is 0.'' 6, demonstrating the superb image quality of the survey. The Deep (26 deg(2)) and UltraDeep (4 deg(2)) data are jointly processed and the UltraDeep-COSMOS field reaches an unprecedented depth of i similar to 28 at 5 sigma for point sources. In addition to the broad -band data, narrow-band data are also available in the Deep and UltraDeep fields. This release includes a major update to the processing pipeline, including improved sky subtraction, PSF modeling, object detection, and artifact rejection. The overall data quality has been improved, but this release is not without problems; there is a persistent deblender problem as well as new issues with masks around bright stars. The user is encouraged to review the issue list before utilizing the data for scientific explorations. All the image products as well as catalog products are available for download. The catalogs are also loaded into a database, which provides an easy interface for users to retrieve data for objects of interest. In addition to these main data products, detailed galaxy shape measurements withheld from Public Data Release 1 (PDR1) are now available to the community. The shape catalog is drawn from the 516A internal release, which has a larger area than PDR1 (160 deg(2)). All products are available at the data release site, https://hsc-release.mtk.nao.acjpt.

引用

页数：25

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