2023MNRAS.518.3386T

Query : 2023MNRAS.518.3386T

2023MNRAS.518.3386T - Mon. Not. R. Astron. Soc., 518, 3386-3396 (2023/January-3)

Globular cluster ultraluminous X-ray sources in the furthest early-type galaxies.

THYGESEN E., SUN Y., HUANG J., DAGE K.C., ZEPF S.E., KUNDU A., HAGGARD D. and MACCARONE T.J.

Abstract (from CDS):

Ultraluminous X-ray sources (ULXs) in globular clusters (GCs) are low-mass X-ray binaries that achieve high X-ray luminosities through a currently uncertain accretion mechanism. Using archival Chandra and Hubble Space Telescope observations, we perform a volume-limited search (≲70 Mpc) of 21 of the most massive ($\gt 10^{11.5} \, \mathrm{M}_\odot$) early-type galaxies to identify ULXs hosted by GC candidates. We find a total of 34 ULX candidates above the expected background within five times the effective radius of each galaxy, with 10 of these ($\sim 29.4{{\ \rm per\ cent}}$) potentially hosted by a GC. A comparison of the spatial and luminosity distributions of these new candidate GC ULXs with previously identified GC ULXs shows that they are similar: both samples peak at LX ∼ a few × 1039 erg s–1 and are typically located within a few effective radii of their host galaxies.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - stars: black holes - X-rays: binaries

Simbad objects: 25

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Number of rows : 25
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 128 GiG 00 29 15.0429950112 +02 51 50.564329164   13.2       ~ 210 0
2 NGC 499 LIN 01 23 11.4954761664 +33 27 36.656232300   13.0 12.3     ~ 181 0
3 NGC 507 rG 01 23 39.950 +33 15 22.22   13.0       ~ 459 1
4 NGC 708 rG 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 259 3
5 NGC 890 GiG 02 22 01.0021097064 +33 15 57.770822916   12.5 11.62     ~ 116 0
6 NGC 1060 GiG 02 43 15.045 +32 25 30.04 13.71 13.00 11.81     ~ 117 1
7 NGC 1066 Sy2 02 43 49.9254696648 +32 28 29.749441296   14.25       ~ 38 1
8 NGC 1453 EmG 03 46 27.2307890592 -03 58 07.831476768   13   11.30   ~ 189 0
9 NGC 1600 rG 04 31 39.858 -05 05 09.97   8.9   10.81   ~ 409 1
10 NGC 1573 GiG 04 35 03.975 +73 15 44.66   13.3       ~ 64 0
11 NGC 1684 Sy2 04 52 31.1429435592 -03 06 21.678833772   13   11.87   ~ 60 0
12 NGC 1700 EmG 04 56 56.3160873072 -04 51 56.794713228   12   11.14   ~ 356 1
13 NGC 2258 AGN 06 47 46.2009489480 +74 28 54.536253852   13.2       ~ 66 0
14 NGC 2672 AG? 08 49 21.8864973984 +19 04 29.958694032   13.1       ~ 119 0
15 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
16 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
17 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
18 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
19 NGC 5322 SyG 13 49 15.24 +60 11 25.8   11.3       ~ 432 2
20 NGC 5353 rG 13 53 26.7104646981 +40 16 59.200050598   11.8   10.57   ~ 309 1
21 NGC 5557 GiG 14 18 25.708 +36 29 37.28   12.2       ~ 237 0
22 NGC 6482 GiG 17 51 48.8339247888 +23 04 18.889271112 12.71 12.35 11.45     ~ 220 1
23 NGC 7052 rG 21 18 33.0441963648 +26 26 49.174586196 15.52 14.85 13.09     ~ 348 1
24 NGC 7619 GiG 23 20 14.524 +08 12 22.63   12.7       ~ 472 0
25 NGC 7626 rG 23 20 42.524 +08 13 01.43   12.8       ~ 438 1

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