2020MNRAS.495..554R

Query : 2020MNRAS.495..554R

2020MNRAS.495..554R - Mon. Not. R. Astron. Soc., 495, 554-569 (2020/June-2)

Ram pressure stripping candidates in the coma cluster: evidence for enhanced star formation.

ROBERTS I.D. and PARKER L.C.

Abstract (from CDS):

The Coma cluster is the nearest massive (M ≳1015 M☉) galaxy cluster, making it an excellent laboratory to probe the influence of the cluster environment on galaxy star formation. Here, we present a sample of 41 galaxies with disturbed morphologies consistent with ram pressure stripping. These galaxies are identified visually using high-quality, multiband imaging from the Canada-France-Hawaii telescope covering ∼9 deg2 of the Coma cluster. These 'stripping candidates' are clear outliers in common quantitative morphological measures, such as concentration-asymmetry and Gini-M20, confirming their disturbed nature. Based on the orientations of observed asymmetries, as well as the galaxy positions in projected phase space, these candidates are consistent with galaxies being stripped shortly after infall on to the Coma cluster. Finally, the stripping candidates show enhanced star formation rates, both relative to 'normal' star-forming Coma galaxies and isolated galaxies in the field. Ram pressure is likely driving an enhancement in star formation during the stripping phase, prior to quenching. On the whole, ram pressure stripping appears to be ubiquitous across all regions of the Coma cluster.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: clusters: individual: Coma Cluster - galaxies: evolution - galaxies: irregular

Simbad objects: 55

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Number of rows : 55
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 GMP 6364 G 12 54 42.04691 +27 38 20.1993           ~ 10 0
2 SDSS J125544.29+284516.5 G 12 55 44.295 +28 45 16.57     16.89 16.82   ~ 11 0
3 IC 3913 EmG 12 56 28.5817741560 +27 17 28.501401516   15.82 14.94 14.97   ~ 105 0
4 2MASX J12562871+2908140 GiC 12 56 28.72158 +29 08 13.3505           ~ 15 0
5 NAME NGC 4839 Group GrG 12 57 21.5 +27 31 54           ~ 86 0
6 LEDA 1852727 SBG 12 57 43.70665 +29 00 11.6047   17.93 17.26 17.30   ~ 15 0
7 LEDA 3098096 GiC 12 57 50.23634 +28 10 13.3573     16.73 16.89   ~ 21 0
8 LEDA 83707 GiC 12 57 56.79626 +27 59 30.3056   16 16.55 16.70   ~ 33 0
9 MCG+05-31-035 EmG 12 57 57.748 +28 03 41.50   16 17.10 17.09   ~ 83 0
10 NGC 4848 AGN 12 58 05.5778304792 +28 14 33.253619100   14.2   13.53   ~ 211 0
11 Z 160-58 SBG 12 58 09.2304885576 +28 42 31.031303400   15.5 14.55 14.09   ~ 122 1
12 2MASX J12580926+2639505 GiC 12 58 09.25919 +26 39 50.8151     16.34 16.22   ~ 20 0
13 LEDA 4561680 GiC 12 58 19.728 +28 05 41.43 18.00 18.21 17.27 17.34 16.86 ~ 17 0
14 LEDA 1827127 EmG 12 58 25.5275211384 +28 07 44.085207936 16.77   15.94 15.87   ~ 28 0
15 [HHM2010] 194.62759+27.56432 GiC 12 58 30.618 +27 33 51.50     17.05 17.02   ~ 10 0
16 AGC 725242 GiC 12 58 30.834 +26 59 41.78     17.02 16.86   ~ 21 0
17 NGC 4853 rG 12 58 35.1979266912 +27 35 46.930900632 13.96 14.68 13.00 13.24   ~ 156 1
18 Z 160-64 EmG 12 58 35.335 +27 15 52.92   15.4 15.18 15.14   ~ 106 0
19 Z 160-67 AGN 12 58 37.27827 +27 10 35.7420   15.88 14.71 14.50   ~ 129 1
20 LEDA 1787484 EmG 12 58 39.948 +26 45 34.29   16.62 15.57 15.45   ~ 37 0
21 LEDA 126817 GiC 12 58 42.589 +27 45 37.78     16.30 16.15   ~ 54 0
22 NGC 4854 GiG 12 58 47.4113103480 +27 40 29.084942676 15.66 15.2 13.83 13.48   ~ 104 0
23 IC 3949 AGN 12 58 55.952 +27 50 00.40 15.31 15.10 14.26 14.781 14.083 ~ 148 1
24 NGC 4858 EmG 12 59 02.0718950520 +28 06 56.228264028 15.33 15.5 15.08 15.16   ~ 126 0
25 Z 160-73 EmG 12 59 05.2918849008 +27 38 40.186270032 14.90 15.1 14.54     ~ 129 0
26 2MASX J12591668+2706218 AGN 12 59 16.6690913184 +27 06 21.982869432   17.09 16.28 15.91   ~ 48 0
27 NGC 4874 LIN 12 59 35.7093764280 +27 57 33.293892204 13.01 13.7 12.71 12.27 11.386 ~ 814 3
28 LEDA 44643 EmG 12 59 39.8152735224 +27 34 35.193798804   16.53 15.56 15.42   ~ 55 0
29 Z 160-76 EmG 12 59 40.1487854640 +28 37 50.889845892   15.6       ~ 65 0
30 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
31 LEDA 1794105 EmG 12 59 49.25300 +26 58 27.5954     16.90 16.77   ~ 22 0
32 2MASX J12595617+2744473 LSB 12 59 56.1192738432 +27 44 46.724602092 17.15 17.331 16.15 15.87 16.04 ~ 37 0
33 GMP 3016 GiC 13 00 01.03440 +28 04 54.7752 18.78   17.69 17.55   ~ 18 0
34 SDSS J130006.15+281507.8 GiC 13 00 06.156 +28 15 07.86   24.41 16.74 16.63   ~ 12 0
35 LEDA 126767 LSB 13 00 08.05642 +27 46 23.9143 17.45 17.675 16.57 16.45 16.398 ~ 36 0
36 NGC 4889 EmG 13 00 08.097 +27 58 37.29 12.93 13.0 11.30 11.652 10.906 ~ 742 1
37 Z 160-243 AGN 13 00 09.1410758256 +27 51 59.343513912 16.418 16.39 15.51 15.34 14.835 ~ 133 0
38 LEDA 44765 EmG 13 00 29.227 +27 30 53.62   15.5 15.22 14.98   ~ 32 0
39 LEDA 1851085 GiC 13 00 31.20646 +28 57 01.9226   17.72 16.63 16.36   ~ 20 0
40 Z 160-86 EmG 13 00 33.732 +27 38 15.64   15.4 14.54 14.23   ~ 117 0
41 IC 4040 EmG 13 00 37.9703238053 +28 03 26.882897167 15.13 15.1 15.04 14.74 13.981 ~ 175 2
42 IC 842 GiG 13 00 39.5467094328 +29 01 09.878920860 14.85 14.72 13.72 13.35   ~ 122 1
43 NGC 4911 LIN 13 00 56.0616749160 +27 47 27.152821212 14.58 13.7 13.33 12.601 12.068 ~ 218 1
44 Z 160-98 EmG 13 01 25.0686818587 +28 40 38.052613761   15.38 14.37 14.26   ~ 73 0
45 NGC 4926A EmG 13 02 07.91760 +27 38 53.9770   15.1       ~ 122 0
46 LEDA 83761 GiC 13 02 11.634 +28 10 20.24   16 15.64 15.47   ~ 36 0
47 LEDA 4107586 G 13 03 54.42419 +28 18 38.0028           ~ 15 0
48 LEDA 4353253 EmG 13 03 57.140 +26 43 46.12           ~ 17 0
49 GMP 597 GiC 13 04 13.12389 +28 32 32.8975           ~ 14 0
50 Z 160-128 EmG 13 04 22.6821665160 +28 48 38.602484604   15.3 15.09     ~ 70 0
51 Z 160-127 EmG 13 04 26.5545655056 +27 18 15.399934452   15.5   15.38   ~ 80 0
52 LEDA 1851773 EmG 13 04 38.8152231000 +28 58 21.276745680   17.13 16.75     ~ 21 0
53 LEDA 1841695 SBG 13 05 06.617 +28 38 28.20   18.55 17.67     ~ 18 0
54 LEDA 1848558 SBG 13 05 45.350 +28 52 16.83   16.64 16.36     ~ 39 0
55 LEDA 1826679 EmG 13 05 53.4892588896 +28 06 44.889344424     16.31     ~ 25 0

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