PROPERTIES OF THE SCUBA-2 850 μm SOURCES IN THE AKARI NEP-DEEP FIELD

被引：3

作者：

Seo, Hyunjong ^{[1
]}

Jeong, Woong-Seob ^{[1
,2
]}

Kim, Minjin ^{[1
,2
]}

Kim, Seong Jin ^{[1
,2
]}

Ko, Jongwan ^{[1
,2
]}

Pyo, Jeonghyun ^{[1
]}

Kim, Min Gyu ^{[3
,4
]}

Pearson, Chris ^{[5
,6
,7
]}

Barrufet, Laia ^{[5
,6
]}

Campos Varillas, Maria del Carmen ^{[5
]}

Matsuhara, Hideo ^{[8
]}

Malkan, Matt ^{[9
]}

Kim, Helen K. ^{[9
]}

Takagi, Toshinobu ^{[8
]}

Miyaji, Takamitsu ^{[10
,11
]}

Diaz Tello, Jorge ^{[10
,11
]}

Goto, Tomotsugu ^{[12
]}

Oi, Nagisa ^{[13
]}

机构：

[1] Korea Astron & Space Sci Inst, 776 Daedukdae Ro, Daejeon 34055, South Korea

[2] Korea Univ Sci & Technol, 217 Gajeong Ro, Daejeon 34113, South Korea

[3] Genesia Corp, Mitaka, Tokyo 1810013, Japan

[4] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea

[5] Rutherford Appleton Lab, RAL Space, Didcot OX11 0QX, Oxon, England

[6] Open Univ, Sch Phys Sci, Milton Keynes MK7 6AA, Bucks, England

[7] Univ Oxford, Oxford Astrophys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[8] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan

[9] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90024 USA

[10] Inst Astron Sede Ensenada, Km 103 Carret Tijuana Ensenada, Ensenada 22860, BC, Mexico

[11] POB 439027, San Ysidro, CA 92143 USA

[12] Natl Tsing Hua Univ, Inst Astron, 101 Sect 2,Kuang Fu Rd, Hsinchu, Taiwan

[13] Tokyo Univ Sci, Shinjuku Ku, 1-3 Kagurazaka, Tokyo 1628601, Japan

来源：

JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY | 2018年 / 51卷 / 03期

基金：

加拿大创新基金会; 英国科学技术设施理事会; 新加坡国家研究基金会;

关键词：

galaxies: evolution; submillimeter: galaxies; LYMAN-BREAK GALAXIES; COSMOLOGY LEGACY SURVEY; DUST-OBSCURED GALAXIES; HIGH-REDSHIFT; SUBMILLIMETER OBSERVATIONS; RADIO GALAXIES; PROTOCLUSTER; POPULATION; EVOLUTION; EMISSION;

D O I：

10.5303/JKAS.2018.51.3.49

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We carry out a study of Sub-Millimeter Galaxies (SMGs) in the AKARI NEP-Deep field using the James Clerk Maxwell Telescope (JCMT) SCUBA-2 850 inn source catalog, released as part of the SCUBA-2 Cosmology Legacy Survey (S2CLS) program. The SCUBA-2 850 mu m map has a root mean square (rms) noise of 1.2 mJy beam(-1) and covers an area of 0.60 degree(2). We find four SMGs which have counterparts to Herschel sources with spectroscopic redshifts in the literature. in addition, three dust obscured galaxies (DOGs) detected in Herschel bands are selected as a comparison sample. We derive IR luminosities of SMGs using the CIGALE code, which are similar to those of high redshift SMGs from previous studies. The contribution of AGN to the total IR luminosity in SMGs (2%-11%) is smaller than the lower limit for the one in DOGs (19%-35%), which is consistent with the expectation from the evolutionary scenario of massive galaxies. We search for SMGs in overdense regions as protocluster candidates and investigate four regions, including candidates around three DOGs. Finally, we argue that follow-up spectroscopic observation for the NEP-Deep field will provide crucial information to understand the role of SMGs in the evolution of massive galaxies.

引用

页码：49 / 63

页数：15

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