2019MNRAS.483.2251Z

Query : 2019MNRAS.483.2251Z

2019MNRAS.483.2251Z - Mon. Not. R. Astron. Soc., 483, 2251-2268 (2019/February-3)

The ALMA Fornax Cluster Survey I: stirring and stripping of the molecular gas in cluster galaxies.

ZABEL N., DAVIS T.A., SMITH M.W.L., MADDOX N., BENDO G.J., PELETIER R., IODICE E., VENHOLA A., BAES M., DAVIES J.I., DE LOOZE I., GOMEZ H., GROSSI M., KENNEY J.D.P., SERRA P., VAN DE VOORT F., VLAHAKIS C. and YOUNG L.M.

Abstract (from CDS):

We present the first results of the ALMA Fornax Cluster Survey: a complete ALMA survey of all members of the Fornax galaxy cluster that were detected in H I or in the far-infrared with Herschel. The sample consists of a wide variety of galaxy types, ranging from giant ellipticals to spiral galaxies and dwarfs, located in all (projected) areas of the cluster. It spans a mass range of 10^∼8.5-11 ^M☉. The CO(1-0) line was targeted as a tracer for the cold molecular gas, along with the associated 3 mm continuum. CO was detected in 15 of the 30 galaxies observed. All 8 detected galaxies with stellar masses below 3 x 109 M☉ have disturbed molecular gas reservoirs; only 7 galaxies are regular/undisturbed. This implies that Fornax is still a very active environment, having a significant impact on its members. Both detections and non-detections occur at all projected locations in the cluster. Based on visual inspection, and the detection of molecular gas tails in alignment with the direction of the cluster centre, in some cases ram pressure stripping is a possible candidate for disturbing the molecular gas morphologies and kinematics. Derived gas fractions in almost all galaxies are lower than expected for field objects with the same mass, especially for the galaxies with disturbed molecular gas, with differences of sometimes more than an order of magnitude. The detection of these disturbed molecular gas reservoirs reveals the importance of the cluster environment for even the tightly bound molecular gas phase.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: Fornax - galaxies: evolution - galaxies: ISM

Simbad objects: 45

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Number of rows : 45
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 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
2 NGC 1317 GiP 03 22 44.2823209512 -37 06 13.180903956 12.20 11.78 11.02 10.22   ~ 240 1
3 LEDA 12758 EmG 03 24 52.426 -35 26 07.65   15.36       ~ 20 0
4 LEDA 74418 GiC 03 26 07.44 -35 07 39.0   17.5       ~ 10 0
5 NGC 1351A GiG 03 28 48.718 -35 10 41.37   14.21   12.92 13.3 ~ 101 0
6 NGC 1350 Sy2 03 31 08.119 -33 37 43.10   11.20 10.52 9.77 10.6 ~ 191 0
7 MCG-06-08-024 Sy2 03 31 08.2735132152 -36 17 24.787136976   14.60       ~ 78 1
8 LEDA 13077 Sy2 03 31 20.9454220152 -35 29 29.875192764   15.72       ~ 26 0
9 6dFGS gJ033210.7-361314 LSB 03 32 10.74 -36 13 14.9   16.39       ~ 27 0
10 LEDA 617376 EmG 03 32 24.116 -37 48 14.71   16.75   15.78   ~ 5 0
11 ESO 358-15 Sy2 03 33 06.85 -34 48 29.2   15.34   14.29 14.9 ~ 86 0
12 ESO 358-16 GiC 03 33 09.20 -35 43 06.7   16.74   15.96   ~ 35 0
13 FCC 117 LSB 03 33 14.9 -37 49 16   18.2       ~ 12 0
14 2MASX J03331940-3520303 G 03 33 19.405 -35 20 30.33   17.33   16.22   ~ 2 0
15 LEDA 95475 EmG 03 33 19.488 -35 20 41.33   17.50   16.44   ~ 4 0
16 LEDA 13185 GiC 03 33 34.22 -36 36 21.3   16.43       ~ 25 0
17 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
18 LEDA 3097255 EmG 03 34 31.6477466520 -36 52 20.506654740   16.34   15.14   ~ 10 0
19 LEDA 13262 G 03 35 11.4038212368 -33 22 25.938795792   15.71       ~ 9 0
20 NGC 1380 Sy2 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 460 1
21 NGC 1386 Sy1 03 36 46.238 -35 59 57.39 12.42 12.16 11.23 10.76   ~ 553 1
22 NGC 1380A GiG 03 36 47.5007323848 -34 44 22.739259552 13.63 13.36 12.41 12.00   ~ 156 1
23 QSO B0335-364 Bla 03 36 54.0235343784 -36 16 06.220332408   18.40 18 18.7   ~ 80 1
24 NGC 1387 Sy2 03 36 57.0337458600 -35 30 23.675934060 12.18 11.75 10.69 10.16   ~ 290 1
25 LEDA 74797 LSB 03 37 42.6 -37 12 31   17.9       ~ 15 0
26 ESO 358-44 LSB 03 38 13.49 -37 17 24.6   16.48   15.66   ~ 28 0
27 LEDA 74808 EmG 03 38 19.265 -35 07 44.74   15.60 15.34     ~ 65 0
28 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
29 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
30 ESO 358-47 IG 03 39 11.89 -33 31 52.8   13.92   13.36   ~ 21 1
31 NGC 1427A GiP 03 40 08.6854 -35 37 34.647   13.44   12.68 13.3 ~ 127 1
32 6dFGS gJ034121.4-334611 GiC 03 41 21.53 -33 46 09.2   15.44       ~ 28 0
33 MCG-06-09-019 EmG 03 41 32.607 -34 53 18.01   13.95   13.02 13.8 ~ 106 0
34 MCG-06-09-023 GiP 03 42 45.302 -33 55 14.03   14.53       ~ 46 0
35 NGC 1437A GiG 03 43 02.19 -36 16 24.1   13.92   13.09   ~ 87 0
36 NGC 1436 GiG 03 43 37.0896438888 -35 51 11.004592644   12.49   11.16   ~ 143 0
37 ESO 358-60 GiC 03 45 12.14 -35 34 15.3   15.86   15.46 16.6 ~ 82 0
38 6dFGS gJ034545.4-362046 GiC 03 45 45.40 -36 20 47.5   16.01   15.11   ~ 40 0
39 NGC 1437B Sy2 03 45 54.864 -36 21 24.93   13.98   12.78   ~ 96 0
40 MCG-06-09-030 Sy2 03 46 19.007 -34 56 36.83   12.57   12.3 11.9 ~ 136 0
41 LEDA 74993 GiP 03 47 01.52 -36 26 14.9   16.3       ~ 31 0
42 2MASX J03494903-3556440 GiC 03 49 49.0174075512 -35 56 44.385796608   15.43       ~ 23 0
43 MCG-06-09-034 GiG 03 50 36.7310457912 -35 54 34.013712996   14.48   13.49   ~ 90 0
44 ESO 359-3 EmG 03 52 00.909 -33 28 03.39   14.25   13.43 14.0 ~ 71 0
45 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0

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