2024A&A...684A.180T

Query : 2024A&A...684A.180T

2024A&A...684A.180T - Astronomy and Astrophysics, volume 684A180 (2024/4-1)

A distinct radial acceleration relation across the brightest cluster galaxies and galaxy clusters.

TIAN Y., KO C.-M., LI P., McGAUGH S. and POBLETE S.L.

Abstract (from CDS):

Recent studies reveal a radial acceleration relation (RAR) in galaxies, which illustrates a tight empirical correlation connecting the observational acceleration and the baryonic acceleration with a characteristic acceleration scale. However, a distinct RAR has been revealed on brightest cluster galaxy (BCG) cluster scales with a seventeen-times-larger acceleration scale due to the gravitational lensing effect. In this work, we systematically explore the acceleration and mass correlations between dynamical and baryonic components in 50 BCGs. To investigate the dynamical RAR in BCGs, we derived their dynamical accelerations from the stellar kinematics using the Jeans equation through Abel inversion and adopted the baryonic mass from Sloan Digital Sky Survey photometry. We explored the spatially resolved kinematic profiles with the largest integral field spectroscopy (IFS) data collected by the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. Our results demonstrate that the dynamical RAR in BCGs is consistent with the lensing RAR on BCG-cluster scales as well as a larger acceleration scale. This finding may imply that BCGs and galaxy clusters have fundamental differences from field galaxies. We also find a mass correlation, but it is less tight than the acceleration correlation.

Abstract Copyright: © The Authors 2024

Journal keyword(s): galaxies: clusters: general - galaxies: elliptical and lenticular - cD - galaxies: kinematics and dynamics - dark matter

Simbad objects: 50

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Number of rows : 50
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 2MASX J03141757-0036345 BiC 03 14 17.5962892104 -00 36 34.886338740   17.21   15.73   ~ 23 0
2 LEDA 1042862 G 04 00 20.1106440120 -05 35 06.946652220   17.60   15.98   ~ 17 0
3 FIRST J072840.6+412822 rG 07 28 40.6613495256 +41 28 22.887120468           ~ 15 0
4 2MASX J07424127+4849331 BiC 07 42 41.2822174848 +48 49 33.779084052   17.5       ~ 17 0
5 Z 87-35 BiC 07 46 18.603 +18 22 07.30   15.3       ~ 42 0
6 NVSS J074950+345300 rG 07 49 49.4405731968 +34 53 02.123568960           ~ 23 0
7 2MASX J07560555+3344401 BiC 07 56 05.5301516064 +33 44 40.333560648           ~ 18 0
8 NGC 2484 Sy2 07 58 28.10812817 +37 47 11.8076475   14.15 14.9     ~ 284 1
9 LEDA 2348817 G 08 08 18.4962571632 +49 38 00.556819944           ~ 11 0
10 FIRST J081014.6+201226 rG 08 10 14.6380489632 +20 12 26.136100584           ~ 18 0
11 MaNGA 1-122329 BiC 08 10 27.7137918408 +40 25 50.272588272           ~ 12 0
12 LEDA 23645 BiC 08 25 29.061 +47 08 00.85           ~ 34 0
13 LEDA 1711993 BiC 08 28 25.3779338472 +24 37 22.971871920           ~ 18 0
14 SDSS J083006.75+452106.4 G 08 30 06.7549223064 +45 21 06.326106516           ~ 13 0
15 LEDA 1805558 BiC 08 51 08.952 +27 21 21.20           ~ 14 0
16 6C 090630+420932 LIN 09 09 45.9060713352 +41 57 21.095945244           ~ 30 1
17 NVSS J103036+355500 rG 10 30 36.1545347352 +35 54 59.854836924           ~ 26 0
18 LEDA 3536512 LIN 10 30 53.5830570782 +41 13 15.983563598           ~ 26 1
19 2MASX J11082310+4409011 BiC 11 08 23.1018476376 +44 09 01.048904064           ~ 25 0
20 DES J111458.49+533730.0 BiC 11 14 58.5068796984 +53 37 29.759863656           ~ 11 0
21 LEDA 2266788 BiC 11 18 40.6919030616 +45 33 09.810532404           ~ 19 0
22 FIRST J114210.7+552729 rG 11 42 10.7288142744 +55 27 29.597053932           ~ 18 0
23 LEDA 2391267 BiC 11 44 53.8121374440 +51 16 01.112543256           ~ 16 0
24 LEDA 2395942 BiC 11 48 52.3110173568 +51 33 07.745508468           ~ 17 0
25 NVSS J114905+513454 rG 11 49 05.2029911736 +51 34 55.687117404           ~ 21 0
26 NVSS J121108+351959 rG 12 11 08.2725975240 +35 19 58.907148996   18.2       ~ 24 1
27 NVSS J121559+354302 rG 12 15 59.3559626568 +35 43 02.579339352           ~ 23 1
28 2MASX J13350849+4238504 BiC 13 35 08.4724145544 +42 38 49.970759676           ~ 14 0
29 FIRST J134933.5+384252 rG 13 49 33.5984908128 +38 42 52.070684004           ~ 14 0
30 6C 141004+530258 Bla 14 11 49.4453005152 +52 49 00.219602568   16.5       ~ 81 1
31 2MASS J14152035+5220449 BiC 14 15 20.3624929056 +52 20 45.162745332   17.13   15.62 15.30 ~ 26 0
32 NVSS J142351+401528 rG 14 23 51.5352127704 +40 15 31.833778572   17.2       ~ 34 0
33 LEDA 1994131 BiC 14 51 14.4311123496 +32 22 41.472728148           ~ 16 0
34 SDSS J145233.55+505522.1 BiC 14 52 33.5564064888 +50 55 22.197866592           ~ 14 0
35 2MASX J15080990+2913200 GiC 15 08 09.938 +29 13 19.89           ~ 13 0
36 2MASX J15134844+2801587 BiC 15 13 48.4456881504 +28 01 58.654734060           ~ 12 0
37 LEDA 1820856 BiC 15 17 43.0610036016 +27 53 43.281420864           ~ 12 0
38 2MASX J15202680+2853114 BiC 15 20 26.8107425496 +28 53 10.879398060           ~ 16 0
39 LEDA 3089238 AGN 15 23 36.7497341208 +28 38 35.058931224           ~ 25 0
40 NVSS J155257+273946 rG 15 52 57.2823488616 +27 39 47.832604416           ~ 24 0
41 FIRST J155311.9+273320 rG 15 53 11.9354912736 +27 33 20.638251936           ~ 19 0
42 NVSS J161800+412334 rG 16 18 00.4201876296 +41 23 31.909674840   14.6       ~ 30 0
43 NVSS J162030+295327 rG 16 20 31.1256776952 +29 53 27.754798668   18.1       ~ 32 1
44 LEDA 2232578 G 16 25 42.3232770336 +43 55 54.345418896           ~ 16 0
45 2MASX J17023312+3331003 LIN 17 02 33.1453910928 +33 30 59.941378800           ~ 44 0
46 NGC 6338 Bla 17 15 22.9842192344 +57 24 40.346559927   14.2   8   ~ 205 2
47 LEDA 1817756 BiC 17 16 35.6844215784 +27 46 44.349038580           ~ 11 0
48 LEDA 1179438 AGN 21 25 46.358 +00 55 51.90           ~ 26 0
49 LEDA 1159160 G 21 28 27.6543213120 +00 10 55.406414064           ~ 13 0
50 6dFGS gJ213027.0-000024 BiC 21 30 26.9488479864 -00 00 24.277652928   17.10   15.42   ~ 25 0

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