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 - 2024 		#notes
1 NGC 14 AG? 00 08 46.23168 +15 49 01.0452   13.3       ~ 99 0
2 NGC 34 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 350 0
3 MCG-02-01-051 Sy2 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 141 3
4 IC 1623 IG 01 07 47.380 -17 30 24.51   15       ~ 310 2
5 NGC 520 AG? 01 24 34.90 +03 47 29.4 12.41 12.24 11.42     ~ 513 3
6 UGC 2238 AG? 02 46 17.482 +13 05 44.33   15.2       ~ 128 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       ~ 68 0
9 IC 298B G 03 11 19.5363532800 +01 18 47.957125752           ~ 52 0
10 NGC 1614 Sy1 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 667 0
11 NGC 1700 EmG 04 56 56.3160873072 -04 51 56.794713228   12   11.14   ~ 348 1
12 NGC 1741 EmG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 266 0
13 NGC 2207 AG? 06 16 22.0336889136 -21 22 21.759218400   11.48 10.65 10.21 11.9 ~ 288 3
14 IC 2163 AG? 06 16 27.9671433048 -21 22 33.133211832   12.55   11.28   ~ 164 2
15 NGC 2623 LIN 08 38 24.016 +25 45 16.29 14.10 13.99 13.36     ~ 498 1
16 NGC 2798 GiP 09 17 22.9 +42 00 00 13.03 13.04 12.32     ~ 325 3
17 APG 283 PaG 09 17 26.99 +41 59 48.8   12.2       ~ 193 1
18 UGC 4973 G 09 22 38.1813317448 +60 51 55.602958356   14.90       ~ 38 0
19 NGC 2865 GiG 09 23 30.205 -23 09 41.37   12.39 11.43 11.06   ~ 240 0
20 UGC 5101 Sy2 09 35 51.6045544584 +61 21 11.589382368   15.20 15.50     ~ 572 4
21 UGC 5189 A G 09 42 53.26 +09 29 34.4   13.7       ~ 51 0
22 [BKD2008] WR 245 H2G 09 42 56.7607222299 +09 28 15.872933327           ~ 13 0
23 UGC 5189 GiG 09 42 58.193 +09 28 15.64   13.7       ~ 58 0
24 NGC 3239 AG? 10 25 04.867 +17 09 49.21   13.5       ~ 182 0
25 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 847 2
26 NAME Great Attractor SCG 10 32 -46.0           ~ 555 0
27 Mrk 33 AG? 10 32 31.956 +54 24 03.53 13.29 13.66 13.13 12.71 12.27 ~ 368 1
28 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 773 1
29 NGC 3353 AGN 10 45 22.390 +55 57 37.36 12.90 13.25 12.79     ~ 359 1
30 NGC 3395 GiP 10 49 50.1160141680 +32 58 58.421838360   12.1 12.10     ~ 277 2
31 APG 270 PaG 10 49 51.2 +32 58 58           ~ 185 0
32 NGC 3396 GiP 10 49 55.939 +32 59 26.44   12.6 12.50     ~ 205 1
33 APG 148 IG 11 03 54.0 +40 51 00   14.29       ~ 177 1
34 NGC 3656 GiP 11 23 38.6139450288 +53 50 31.100522064 14.50 14.25 12.75     ~ 138 1
35 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 978 4
36 ESO 504-17 EmG 11 48 46.381 -27 22 44.69   13.99   13.27 14.1 ~ 42 0
37 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1690 0
38 NGC 4194 AGN 12 14 09.615 +54 31 35.93   13.79 13.30     ~ 448 2
39 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6637 0
40 NGC 4670 AG? 12 45 17.150 +27 07 31.76   12.6 12.90     ~ 259 0
41 IC 819 AGN 12 46 10.1 +30 43 55           ~ 277 1
42 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 310 0
43 IC 820 AGN 12 46 11.2495347624 +30 43 21.856578924   14.1       ~ 123 1
44 Mrk 231 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 1987 3
45 NAME SHAPLEY-CENTAURUS CL SCG 13 06.0 -33 04           ~ 604 0
46 NGC 5018 GiP 13 13 01.0452720960 -19 31 05.649751992   11.71   10.31   ~ 313 1
47 NGC 5256 PaG 13 38 17.81 +48 16 41.2   14.1 13.42     ~ 430 1
48 NGC 5257 H2G 13 39 52.273 +00 50 22.48   13.7 12.99     ~ 197 0
49 APG 240 PaG 13 39 55.06 +00 50 06.4   12.6       ~ 154 0
50 NGC 5258 GiP 13 39 57.6768310848 +00 49 51.009668076   13.8 12.83     ~ 174 0
51 Mrk 273 Sy2 13 44 42.1781 +55 53 12.819   15.68 14.91     ~ 913 3
52 NGC 5614 AG? 14 24 07.5872943864 +34 51 31.813653924   12.6       ~ 146 0
53 MCG-02-38-017 GiP 14 49 32.7 -10 09 47   16.6   17.1   ~ 70 1
54 NGC 5953 GiP 15 34 32.4 +15 11 38   13.23 12.45     ~ 370 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       ~ 174 0
57 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2959 4
58 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1637 2
59 APG 293 G 16 58 27.8 +58 56 48           ~ 113 0
60 NGC 6286 GiG 16 58 31.3566512040 +58 56 10.114753560   14.2       ~ 186 1
61 LEDA 60189 LIN 17 23 21.943 -00 17 00.96   15.1       ~ 424 0
62 ESO 286-19 LIN 20 58 26.8183783008 -42 38 59.411838156   14.79 14.79 14.20   ~ 291 0
63 NGC 7252 EmG 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 703 1
64 ESO 148-2 Sy2 23 15 46.772 -59 03 15.94   14.94 14.73 13.95   ~ 265 1
65 Mrk 928A AGN 23 18 21.8 -04 24 56     15.0     ~ 44 0
66 NGC 7592 Sy2 23 18 22.0 -04 24 57           ~ 160 0
67 NGC 7714 GiP 23 36 14.1257730600 +02 09 18.197422668   14.91 14.36     ~ 765 1
68 APG 284 PaG 23 36 19 +02 09.3   12.6       ~ 607 0
69 NGC 7727 EmG 23 39 53.870 -12 17 34.84   11   10.55   ~ 172 0
70 MCG-01-60-021 LIN 23 41 47.285 -03 40 01.90 14.88 14.50 13.57     ~ 91 1
71 MCG-01-60-022 Sy2 23 42 00.8439651072 -03 36 54.634148712   14.5 14.6     ~ 81 0

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