2020MNRAS.491.3606P

Query : 2020MNRAS.491.3606P

2020MNRAS.491.3606P - Mon. Not. R. Astron. Soc., 491, 3606-3612 (2020/January-3)

Effects of metallicity on high-mass X-ray binary formation.

PONNADA S., BRORBY M. and KAARET P.

Abstract (from CDS):

The heating of the intergalactic medium in the early, metal-poor Universe may have been partly due to radiation from high-mass X-ray binaries (HMXBs). Previous investigations on the effect of metallicity have used galaxies of different types. To isolate the effects of metallicity on the production of HMXBs, we study a sample consisting only of 46 blue compact dwarf galaxies covering metallicity in the range 12+log(O/H) of 7.15-8.66. To test the hypothesis of metallicity dependence in the X-ray luminosity function (XLF), we fix the XLF form to that found for near-solar metallicity galaxies and use a Bayesian method to constrain the XLF normalization as a function of star formation rate for three different metallicity ranges in our sample. We find an increase by a factor of 4.45 ± 2.04 in the XLF normalization between the metallicity ranges 7.1-7.7 and 8.2-8.66 at a statistical significance of 99.79 per cent. Our results suggest that HMXB production is enhanced at low metallicity, and consequently that HMXBs may have contributed significantly to the reheating of the early Universe.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: dwarf - galaxies: starburst - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/MNRAS/491/3606): tablea1.dat tablea2.dat tablea3.dat>

Simbad objects: 47

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Number of rows : 47
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 MCG+00-04-043 LSB 01 13 40.450 +00 52 39.16   17       ~ 65 0
2 Mrk 996 Sy1 01 27 35.5248944352 -06 19 35.432857848 14.75 15.05 14.48 14.06 13.70 ~ 136 0
3 LEDA 7896 AG? 02 04 25.598 -10 09 35.01   17       ~ 21 0
4 LEDA 132213 EmG 04 05 20.4 -36 48 59           ~ 24 0
5 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
6 NGC 1705 Sy2 04 54 13.4661493464 -53 21 39.471592428 12.32 12.96 12.56 12.58 12.9 ~ 692 1
7 NGC 1741 EmG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 273 0
8 UGCA 116 AGN 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 561 0
9 Z 262-28 AG? 07 47 31.944 +51 11 28.95   14.8       ~ 33 0
10 SDSS J081239.52+483645.3 bCG 08 12 39.532 +48 36 45.27           ~ 25 0
11 [SST2011] J081929.00+704219.3 ULX 08 19 28.99 +70 42 19.4           ~ 213 2
12 LEDA 2790884 QSO 08 25 55.5166210656 +35 32 31.833368556   18.2       ~ 128 1
13 Z 311-8 GiG 08 34 07.20 +66 10 54.0 15.39 15.03 14.70 14.49   ~ 357 2
14 Z 331-51 GiG 08 37 03.00 +69 46 31.0 15.70 15.46 14.98 14.89   ~ 316 0
15 SDSS J085947.03+392302.6 GiP 08 59 47.040 +39 23 02.67           ~ 11 0
16 NGC 2915 AG? 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 371 2
17 Mrk 116 AGN 09 34 02.1 +55 14 25           ~ 1179 1
18 LEDA 27591 SBG 09 40 12.843 +29 35 30.30   16.32 16.08     ~ 65 0
19 LEDA 27886 QSO 09 44 17.101 +54 11 28.83   19.5       ~ 72 0
20 LEDA 28037 AG? 09 46 22.843 +54 52 08.27   16       ~ 15 0
21 Z 265-44 Sy1 09 49 30.3096198376 +55 34 46.971972356   15.7       ~ 75 0
22 Z 153-5 AG? 09 56 46.047 +28 49 43.77 14.82 14.74 14.59 14.55 26.509 ~ 252 1
23 NGC 3125 AGN 10 06 33.318 -29 56 07.32 13.03 13.45 13.00 12.50 13.4 ~ 253 2
24 LEDA 29998 AGN 10 16 24.516 +37 54 45.96   16.5       ~ 62 0
25 Z 266-55 AGN 10 32 31.956 +54 24 03.53 13.29 13.66 13.13 12.71 12.27 ~ 381 1
26 Mrk 1434 SBG 10 34 10.155 +58 03 49.13   16.5   16.54   ~ 80 0
27 NGC 3353 AGN 10 45 22.390 +55 57 37.36 12.90 13.25 12.79     ~ 378 1
28 MCG+10-16-059 AG? 11 05 53.6921585616 +60 22 28.499349252   16       ~ 25 0
29 NAME Arp's Galaxy AG? 11 19 34.344 +51 30 12.17   17.3       ~ 78 0
30 Z 351-62 bCG 11 27 59.90 +78 59 39.0   14.50       ~ 346 1
31 SDSS J113202.41+572245.2 G 11 32 02.414 +57 22 45.21           ~ 4 0
32 MCG+10-17-011 AG? 11 32 02.6164558680 +57 22 36.292387908   17       ~ 64 1
33 LEDA 37102 Sy1 11 51 33.3537570144 -02 22 21.893502576   17       ~ 179 0
34 Z 12-111 Sy1 11 52 37.19 -02 28 09.9   14.79   14.09 14.9 ~ 184 0
35 LEDA 3120683 EmG 12 01 22.3051558008 +02 11 08.574134388           ~ 44 0
36 Z 244-18 bCG 12 26 15.69 +48 29 38.3   15.3       ~ 364 0
37 RMB 132 bCG 12 30 48.6089418912 +12 02 42.805457196     16.78   16.44 ~ 102 0
38 NAME CVn I dwA GiC 12 38 40.06 +32 46 00.5 16.91 16.66 16.73 16.62   ~ 242 0
39 NGC 4670 AG? 12 45 17.150 +27 07 31.76   12.6 12.90     ~ 271 0
40 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
41 Mrk 67 EmG 13 41 56.4808997304 +30 31 09.652262088   16.5       ~ 96 0
42 2dFGRS TGN206Z232 bCG 14 14 54.149 -02 08 22.92   18.065   17.598   ~ 25 0
43 SDSSCGB 12067.1 G 14 17 01.513 +43 30 09.17           ~ 2 0
44 MCG+07-30-055 H2G 14 44 12.8032800372 +42 37 43.773570223   16.0       ~ 92 0
45 LEDA 1139658 G 21 04 55.310 -00 35 22.38           ~ 33 0
46 NGC 7077 AG? 21 29 59.634 +02 24 51.75 14.05 14.25 13.67 13.23 12.86 ~ 106 0
47 Z 497-42 bCG 23 37 39.543 +30 07 45.93   15.50       ~ 64 0

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