2021MNRAS.504.1545D

Query : 2021MNRAS.504.1545D

2021MNRAS.504.1545D - Mon. Not. R. Astron. Soc., 504, 1545-1554 (2021/June-2)

Three ultraluminous X-ray sources hosted by globular clusters in NGC 1316.

DAGE K.C., KUNDU A., THYGESEN E., BAHRAMIAN A., HAGGARD D., IRWIN J.A., MACCARONE T.J., NAIR S., PEACOCK M.B., STRADER J. and ZEPF S.E.

Abstract (from CDS):

We have identified three ultraluminous X-ray sources (ULXs) hosted by globular clusters (GCs) within NGC 1316's stellar system. These discoveries bring the total number of known ULXs in GCs up to 20. We find that the X-ray spectra of the three new sources do not deviate from the established pattern of spectral behaviour of the other known GC ULXs. The consistency of the X-ray spectral behaviour for these sources points to multiple paths of formation and evolution mechanisms for these rare and unique sources. Using the now larger sample of GC ULXs, we compare the optical properties of the entire known population of GC ULXs to other GCs across five galaxies and find that the properties of clusters that host ULXs are quite different from the typical clusters. Lastly, any trend of GC ULXs being preferentially hosted by metal-rich clusters is not strongly significant in this sample.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): globular clusters: general - X-rays: binaries

Simbad objects: 21

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Number of rows : 21
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 CXOU J032239.1-371148 X 03 22 39.1 -37 11 48           ~ 2 0
2 CXOU J032240.4-371244 X 03 22 40.4 -37 12 45           ~ 2 0
3 CXOU J032240.8-371224 ULX 03 22 40.8 -37 12 24           ~ 3 0
4 CXOU J032241.1-371235 ULX 03 22 41.07 -37 12 35.3           ~ 4 0
5 CXOU J032241.3-371117 X 03 22 41.3 -37 11 17           ~ 2 0
6 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
7 CXOU J032241.9-371305 X 03 22 41.9 -37 13 05           ~ 2 0
8 CXOU J032242.0-371218 X 03 22 42.0 -37 12 19           ~ 2 0
9 CXOU J032242.1-371123 X 03 22 42.1 -37 11 23           ~ 2 0
10 CXOU J032242.5-371258 X 03 22 42.5 -37 12 58           ~ 2 0
11 CXOU J032242.5-371222 ULX 03 22 42.5 -37 12 22           ~ 2 0
12 CXOU J032242.7-371217 X 03 22 42.7 -37 12 17           ~ 2 0
13 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
14 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
15 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
16 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
17 NAME RZ01 2109 GlC 12 29 39.689 +07 53 32.99   21.67 20.99 20.61   ~ 28 2
18 [LB2005] NGC 4472 X3 BH? 12 29 39.73 +07 53 30.6           ~ 29 2
19 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
20 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
21 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1

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