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SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies
Greene,J. E.1; Leauthaud,A.2; Emsellem,E.3; Ge,J.4; Aragón-Salamanca,A.5; Greco,J.1; Lin,Y.-T.6; Mao,S.4,7,8; Masters,K.9; Merrifield,M.5; More,S.10; Okabe,N.11,12,13; Schneider,D. P.14,15; Thomas,D.9; Wake,D. A.16,17; Pan,K.18; Bizyaev,D.18,19; Oravetz,D.18; Simmons,A.18; Yan,R.20; Bosch,F. van den21
2018-01-03
Source PublicationThe Astrophysical Journal
ISSN0004-637X
Volume852Issue:1
AbstractAbstract We study 379 central and 159 satellite early-type galaxies with two-dimensional kinematics from the integral-field survey Mapping Nearby Galaxies at APO (MaNGA) to determine how their angular momentum content depends on stellar and halo mass. Using the Yang et al. group catalog, we identify central and satellite galaxies in groups with halo masses in the range . As in previous work, we see a sharp dependence on stellar mass, in the sense that ~70% of galaxies with stellar mass tend to have very little rotation, while nearly all galaxies at lower mass show some net rotation. The ~30% of high-mass galaxies that have significant rotation do not stand out in other galaxy properties, except for a higher incidence of ionized gas emission. Our data are consistent with recent simulation results suggesting that major merging and gas accretion have more impact on the rotational support of lower-mass galaxies. When carefully matching the stellar mass distributions, we find no residual differences in angular momentum content between satellite and central galaxies at the 20% level. Similarly, at fixed mass, galaxies have consistent rotation properties across a wide range of halo mass. However, we find that errors in classification of central and satellite galaxies with group finders systematically lower differences between satellite and central galaxies at a level that is comparable to current measurement uncertainties. To improve constraints, the impact of group-finding methods will have to be forward-modeled via mock catalogs.
Keywordgalaxies: elliptical and lenticular, cD galaxies: halos galaxies: kinematics and dynamics
DOI10.3847/1538-4357/aa9bde
Language英语
WOS IDIOP:0004-637X-852-1-aa9bde
PublisherThe American Astronomical Society
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/35766
Collection中国科学院国家天文台
Affiliation1.Department of Astrophysics, Princeton University, Princeton, NJ 08540, USA
2.Department of Astronomy and Astrophysics, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
3.European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85741 Garching, Germany
4.National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, China
5.School of Physics and Astronomy, The University of Nottingham, University Park, Nottingham, NG7 2RD, UK
6.Institute of Astronomy and Astrophysics, Academia Sinica, Taipei 10617, Taiwan
7.Physics Department and Tsinghua Centre for Astrophysics, Tsinghua University, Beijing 100084, China
8.Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
9.Institute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Burnaby Road, Portsmouth PO1 3FX, UK
10.Kavli Institute for the Physics and Mathematics of the Universe (WPI), Tokyo Institutes for Advanced Study, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba, 277-8583, Japan
11.Department of Physical Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
12.Hiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, Kagamiyama 1-3-1, 739-8526, Japan
13.Core Research for Energetic Universe, Hiroshima University, 1-3-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
14.Department of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA
15.Institute for Gravitation and the Cosmos, The Pennsylvania State University, University Park, PA 16802, USA
16.School of Physical Sciences, The Open University, Milton Keynes, MK7 6AA, UK
17.Department of Physics, University of North Carolina, Asheville, NC 28804, USA
18.Apache Point Observatory and New Mexico State University, P.O. Box 59, Sunspot, NM, 88349-0059, USA
19.Sternberg Astronomical Institute, Moscow State University, Moscow, Russia
20.Department of Physics and Astronomy, University of Kentucky, 505 Rose Street, Lexington, KY 40506-0057, USA
21.Department of Astronomy, Yale University, P.O. Box 208101, New Haven, CT 06520-8101, USA
Recommended Citation
GB/T 7714
Greene,J. E.,Leauthaud,A.,Emsellem,E.,et al. SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies[J]. The Astrophysical Journal,2018,852(1).
APA Greene,J. E..,Leauthaud,A..,Emsellem,E..,Ge,J..,Aragón-Salamanca,A..,...&Bosch,F. van den.(2018).SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies.The Astrophysical Journal,852(1).
MLA Greene,J. E.,et al."SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies".The Astrophysical Journal 852.1(2018).
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