NAOC Open IR
Implications of Increased Central Mass Surface Densities for the Quenching of Low-mass Galaxies
Guo, Yicheng1; Carleton, Timothy1; Bell, Eric F.2; Chen, Zhu3; Dekel, Avishai4,5; Faber, S. M.6; Giavalisco, Mauro7; Kocevski, Dale D.8; Koekemoer, Anton M.9; Koo, David C.6; Kurczynski, Peter10; Lee, Seong-Kook11; Liu, F. S.12; Papovich, Casey13,14; Perez-Gonzalez, Pablo G.15,16
2021-06-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume914Issue:1Pages:12
AbstractWe use the Cosmic Assembly Deep Near-infrared Extragalactic Legacy Survey data to study the relationship between quenching and the stellar mass surface density within the central radius of 1 kpc (sigma(1)) of low-mass galaxies (stellar mass M (*) less than or similar to 10(9.5) M (circle dot)) at 0.5 <= z < 1.5. Our sample is mass complete down to similar to 10(9) M (circle dot) at 0.5 <= z < 1.0. We compare the mean sigma(1) of star-forming galaxies (SFGs) and quenched galaxies (QGs) at the same redshift and M (*). We find that low-mass QGs have a higher sigma(1) than low-mass SFGs, similar to galaxies above 10(10) M (circle dot). The difference of sigma(1) between QGs and SFGs increases slightly with M (*) at M (*) less than or similar to 10(10) M (circle dot) and decreases with M (*) at M (*) greater than or similar to 10(10) M (circle dot). The turnover mass is consistent with the mass where quenching mechanisms transition from internal to environmental quenching. At 0.5 <= z < 1.0, we find that sigma(1) of galaxies increases by about 0.25 dex in the green valley (i.e., the transition region from star forming to fully quenched), regardless of their M (*). Using the observed specific star formation rate gradient in the literature as a constraint, we estimate that the quenching timescale (i.e., time spent in the transition) of low-mass galaxies is a few (similar to 4) Gyr at 0.5 <= z < 1.0. The mechanisms responsible for quenching need to gradually quench star formation in an outside-in way, i.e., preferentially ceasing star formation in outskirts of galaxies while maintaining their central star formation to increase sigma(1). An interesting and intriguing result is the similarity of the growth of sigma(1) in the green valley between low-mass and massive galaxies, which suggests that the role of internal processes in quenching low-mass galaxies is a question worthy of further investigation.
Funding OrganizationNASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP)
DOI10.3847/1538-4357/abf115
WOS KeywordCATALOGS SOURCE IDENTIFICATION ; STAR-FORMING GALAXIES ; DARK-MATTER HALOES ; BLACK-HOLE MASS ; STELLAR MASS ; FORMATION HISTORIES ; SATELLITE GALAXIES ; LOCAL ENVIRONMENT ; CLUSTER GALAXIES ; PROGENITOR BIAS
Language英语
Funding ProjectNASA through Space Telescope Science Institute[HST-AR-13891] ; NASA through Space Telescope Science Institute[HST-AR-15025] ; NASA through Space Telescope Science Institute[HST-GO-12060] ; NASA through Space Telescope Science Institute[NAS5-26555] ; NASA HST[GO-12060.10-A] ; NSF[AST-0808133] ; NSF[AST-1615730] ; National Research Foundation of Korea (NRF) - Korean government (MSIP)[2020R1I1A1A01060310]
Funding OrganizationNASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; NASA through Space Telescope Science Institute ; NASA through Space Telescope Science Institute ; NASA HST ; NASA HST ; NSF ; NSF ; National Research Foundation of Korea (NRF) - Korean government (MSIP) ; National Research Foundation of Korea (NRF) - Korean government (MSIP)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000658869600001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/76987
Collection中国科学院国家天文台
Corresponding AuthorGuo, Yicheng
Affiliation1.Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USA
2.Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA
3.Shanghai Normal Univ, Shanghai, Peoples R China
4.Hebrew Univ Jerusalem, Racah Inst Phys, Ctr Astrophys & Planetary Sci, Jerusalem, Israel
5.Univ Calif Santa Cruz, SCIPP, Santa Cruz, CA 95064 USA
6.Univ Calif Santa Cruz, Dept Astron & Astrophys, UCO Lick Observ, Santa Cruz, CA 95064 USA
7.Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA
8.Colby Coll, Waterville, ME 04901 USA
9.Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
10.NASA, Observat Cosmol Lab Code 665, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
11.Seoul Natl Univ, Dept Phys & Astron, SNU Astron Res Ctr, Seoul, South Korea
12.Chinese Acad Sci, Key Lab Space Astron & Technol, Natl Astron Observ, Beijing 100101, Peoples R China
13.Texas A&M Univ, Dept Phys & Astron, College Stn, TX USA
14.Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX USA
15.Univ Complutense Madrid, Fac CC Fis, Dept Astrofis, E-28040 Madrid, Spain
16.INTA CSIC, Ctr Astrobiol CAB, Carretera Ajalvir Km 4, E-28850 Madrid, Spain
Recommended Citation
GB/T 7714
Guo, Yicheng,Carleton, Timothy,Bell, Eric F.,et al. Implications of Increased Central Mass Surface Densities for the Quenching of Low-mass Galaxies[J]. ASTROPHYSICAL JOURNAL,2021,914(1):12.
APA Guo, Yicheng.,Carleton, Timothy.,Bell, Eric F..,Chen, Zhu.,Dekel, Avishai.,...&Perez-Gonzalez, Pablo G..(2021).Implications of Increased Central Mass Surface Densities for the Quenching of Low-mass Galaxies.ASTROPHYSICAL JOURNAL,914(1),12.
MLA Guo, Yicheng,et al."Implications of Increased Central Mass Surface Densities for the Quenching of Low-mass Galaxies".ASTROPHYSICAL JOURNAL 914.1(2021):12.
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