2019AJ....158..169S

Query : 2019AJ....158..169S

2019AJ....158..169S - Astron. J., 158, 169-169 (2019/October-0)

The hot gas exhaust of starburst engines in mergers: testing models of stellar feedback and star formation regulation.

SMITH B.J., WAGSTAFF P., STRUCK C., SORIA R., DUNN B., SWARTZ D. and GIROUX M.L.

Abstract (from CDS):

Using archival data from the Chandra X-ray telescope, we have measured the spatial extent of the hot interstellar gas in a sample of 49 nearby interacting galaxy pairs, mergers, and merger remnants. For systems with SFR > 1 M☉ yr–1, the volume and mass of hot gas are strongly and linearly correlated with the star formation rate (SFR). This supports the idea that stellar/supernovae feedback dominates the production of hot gas in these galaxies. We compared the mass of X-ray-emitting hot gas MX(gas) with the molecular and atomic hydrogen interstellar gas masses in these galaxies (MH2_ and M_H I_, respectively), using published carbon monoxide and 21 cm H I measurements. Systems with higher SFRs have larger MX(gas)/(MH2_ + M_H I_) ratios on average, in agreement with recent numerical simulations of star formation and feedback in merging galaxies. The MX(gas)/(MH2_ + M_H I_) ratio also increases with dust temperature on average. The ratio MX(gas)/SFR is anticorrelated with the Infrared Astronomical Satellite 60-100 µm flux ratio and with the Spitzer 3.6-24 µm color. These trends may be due to variations in the spatial density of young stars, the stellar age, the ratio of young to old stars, the initial mass function, and/or the efficiency of stellar feedback. Galaxies with low SFR (<1 M☉ yr–1) and high K band luminosities may have an excess of hot gas relative to the relation for higher SFR galaxies, while galaxies with low K band luminosities (and therefore low stellar masses) may have a deficiency in hot gas, but our sample is not large enough for strong statistical significance.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: interactions - galaxies: ISM - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/AJ/158/169): table1.dat table2.dat table3.dat table4.dat>

Simbad objects: 71

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Number of rows : 71
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 14 AG? 00 08 46.23168 +15 49 01.0452   13.3       ~ 107 0
2 NGC 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
3 MCG-02-01-051 Sy2 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 154 3
4 IC 1623 IG 01 07 47.24 -17 30 25.0   15       ~ 338 2
5 NGC 520 AGN 01 24 35.07120 +03 47 32.6760 12.41 12.24 11.42     ~ 528 3
6 Z 440-4 rG 02 46 17.482 +13 05 44.33   15.2       ~ 141 1
7 IC 298A G 03 11 18.635 +01 18 49.87   15.5       ~ 51 0
8 IC 298 PaG 03 11 18.90 +01 18 53.0   15.5       ~ 74 0
9 IC 298B G 03 11 19.5363532800 +01 18 47.957125752           ~ 53 0
10 NGC 1614 Sy1 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 697 1
11 NGC 1700 EmG 04 56 56.3160873072 -04 51 56.794713228   12   11.14   ~ 356 1
12 NGC 1741 EmG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 273 0
13 NGC 2207 AG? 06 16 22.0336889136 -21 22 21.759218400   11.48 10.65 10.21 11.9 ~ 301 4
14 IC 2163 AG? 06 16 27.9671433048 -21 22 33.133211832   12.55   11.28   ~ 172 2
15 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 533 2
16 NGC 2798 GiG 09 17 22.95407 +41 59 58.9560 13.03 13.04 12.32     ~ 338 3
17 APG 283 PaG 09 17 26.99 +41 59 48.8   12.2       ~ 193 1
18 Z 288-29 G 09 22 38.1813317448 +60 51 55.602958356   14.90       ~ 42 0
19 NGC 2865 GiG 09 23 30.205 -23 09 41.37   12.39 11.43 11.06   ~ 244 0
20 Z 289-11 Sy2 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 617 2
21 MCG+02-25-021 G 09 42 53.26 +09 29 34.4   13.7       ~ 60 0
22 [BKD2008] WR 245 H2G 09 42 56.7607222299 +09 28 15.872933327           ~ 13 0
23 Z 63-48 GiG 09 42 58.193 +09 28 15.64   13.7       ~ 59 0
24 NGC 3239 AG? 10 25 04.867 +17 09 49.21   13.5       ~ 202 0
25 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
26 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
27 Z 266-55 AGN 10 32 31.956 +54 24 03.53 13.29 13.66 13.13 12.71 12.27 ~ 381 1
28 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 809 1
29 NGC 3353 AGN 10 45 22.390 +55 57 37.36 12.90 13.25 12.79     ~ 378 1
30 APG 270 PaG 10 49 50.07 +32 58 55.4           ~ 186 1
31 NGC 3395 GiG 10 49 50.1160141680 +32 58 58.421838360   12.1 12.10     ~ 292 1
32 NGC 3396 GiP 10 49 55.939 +32 59 26.44   12.6 12.50     ~ 214 1
33 APG 148 IG 11 03 53.89153 +40 50 59.8850   14.29       ~ 190 1
34 NGC 3656 G 11 23 38.6139450288 +53 50 31.100522064 14.50 14.25 12.75     ~ 148 2
35 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
36 MCG-04-28-003 EmG 11 48 46.381 -27 22 44.69   13.99   13.27 14.1 ~ 44 0
37 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
38 NGC 4194 rG 12 14 09.615 +54 31 35.93   13.79 13.30     ~ 467 2
39 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
40 NGC 4670 AG? 12 45 17.150 +27 07 31.76   12.6 12.90     ~ 271 0
41 NGC 4676A AGN 12 46 10.05987 +30 43 54.6380           ~ 286 2
42 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 318 0
43 NGC 4676B AGN 12 46 11.2495347624 +30 43 21.856578924   14.1       ~ 127 1
44 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
45 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
46 NGC 5018 GiP 13 13 01.0452720960 -19 31 05.649751992   11.71   10.31   ~ 335 1
47 NGC 5256 PaG 13 38 17.81 +48 16 41.2   14.1 13.42     ~ 449 1
48 NGC 5257 H2G 13 39 52.92781 +00 50 24.0903   13.7 12.99     ~ 208 0
49 APG 240 PaG 13 39 55.06 +00 50 06.4   12.6       ~ 158 0
50 NGC 5258 GiP 13 39 57.6768310848 +00 49 51.009668076   13.8 12.83     ~ 186 0
51 Z 271-60 Sy2 13 44 42.1883001099 +55 53 13.596220922   15.68 14.91     ~ 958 3
52 NGC 5614 GiG 14 24 07.5872943864 +34 51 31.813653924   12.6       ~ 156 1
53 MCG-02-38-017 GiP 14 49 32.7 -10 09 47   16.6   17.1   ~ 75 1
54 NGC 5953 Sy2 15 34 32.40240 +15 11 37.7990   13.23 12.45     ~ 389 1
55 APG 91 IG 15 34 33.7 +15 11 49   12.3       ~ 24 1
56 NGC 5954 GiP 15 34 35.175 +15 11 53.67   13.7       ~ 180 0
57 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
58 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
59 APG 293 G 16 58 27.8 +58 56 48           ~ 115 0
60 NGC 6286 AGN 16 58 31.3566512040 +58 56 10.114753560   14.2       ~ 202 1
61 LEDA 60189 LIN 17 23 21.96264 -00 17 00.8088   15.1       ~ 454 0
62 ESO 286-19 LIN 20 58 26.8183783008 -42 38 59.411838156   14.79 14.79 14.20   ~ 318 0
63 NGC 7252 AGN 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 720 1
64 ESO 148-2 Sy2 23 15 46.76280 -59 03 15.6924   14.94 14.73 13.95   ~ 289 1
65 NGC 7592W Sy2 23 18 21.8077569718 -04 24 56.904279971     15.0     ~ 175 0
66 NGC 7592 IG 23 18 22.2 -04 24 57           ~ 177 0
67 NGC 7714 AGN 23 36 14.1257730600 +02 09 18.197422668   14.91 14.36     ~ 788 1
68 APG 284 PaG 23 36 19 +02 09.3   12.6       ~ 608 0
69 NGC 7727 EmG 23 39 53.870 -12 17 34.84   11   10.55   ~ 183 0
70 MCG-01-60-021 LIN 23 41 47.285 -03 40 01.90 14.88 14.50 13.57     ~ 95 1
71 MCG-01-60-022 Sy2 23 42 00.8439651072 -03 36 54.634148712   14.5 14.6     ~ 89 0

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