2020ApJ...901...57B

Query : 2020ApJ...901...57B

2020ApJ...901...57B - Astrophys. J., 901, 57-57 (2020/September-3)

The MAVERIC survey: Chandra/ACIS catalog of faint X-ray sources in 38 Galactic globular clusters.

BAHRAMIAN A., STRADER J., MILLER-JONES J.C.A., CHOMIUK L., HEINKE C.O., MACCARONE T.J., POOLEY D., SHISHKOVSKY L., TUDOR V., ZHAO Y., LI K.L., SIVAKOFF G.R., TREMOU E. and BUCHNER J.

Abstract (from CDS):

Globular clusters host a variety of lower-luminosity (LX < 1035 erg s–1) X-ray sources, including accreting neutron stars (NSs) and black holes (BHs), millisecond pulsars (MSPs), cataclysmic variables, and chromospherically active binaries. In this paper, we provide a comprehensive catalog of more than 1100 X-ray sources in 38 Galactic globular clusters (GCs) observed by the Chandra X-ray Observatory's Chandra/ACIS detector. The targets are selected to complement the MAVERIC survey's deep radio continuum maps of Galactic GCs. We perform photometry and spectral analysis for each source, determine a best-fit model, and assess the possibility of it being a foreground or background source based on its spectral properties and location in the cluster. We also provide basic assessments of variability. We discuss the distribution of X-ray binaries in GCs and their X-ray luminosity function, and we carefully analyze systems with LX > 1033 erg s–1. Among these moderately bright systems, we discover a new source in NGC 6539 that may be a candidate accreting stellar-mass BH or a transitional MSP. We show that quiescent NS low-mass X-ray binaries in GCs may spend ∼2% of their lifetimes as transitional MSPs in their active (LX > 1033 erg s–1) state. Finally, we identify a substantial underabundance of bright (LX > 1033 erg s–1) intermediate polars in GCs compared to the Galactic field, in contrast with the literature of the past two decades.

Abstract Copyright: © 2020. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Globular star clusters - Low-mass x-ray binary stars - Neutron stars - Astrophysical black holes - Stellar accretion disks - Celestial objects catalogs

VizieR on-line data: <Available at CDS (J/ApJ/901/57): table1.dat tablea1.dat>

Nomenclature: Table A1: [BSM2020b] CXOU JHHMMSS.ss+DDMMSS.s N=1667.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

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 RX J0021.8-7221 LXB 00 24 04.263 -72 04 57.97 18.868   19.772   19.316 ~ 78 0
2 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
3 PSR J0024-7204V Psr 00 24 05.359 -72 04 53.20           ~ 21 1
4 V* EG And Sy* 00 44 37.1873792808 +40 40 45.704829252 10.54 8.93 7.22     M2.4III 308 0
5 V* SU Lyn LP* 06 42 55.1374435200 +55 28 27.234229908   9.97 8.46     M2 42 0
6 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
7 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 1001 0
8 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
9 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 467 0
10 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
11 RX J1342.1+2822 CV* 13 42 09.75 +28 22 47.5           Ss 38 1
12 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
13 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
14 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 499 0
15 V* AR Sco EB* 16 21 47.2831986456 -22 53 10.385689092   14.94 14.75     M5+D? 141 0
16 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
17 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 231 0
18 [V2001] NGC 6139 X01 X 16 27 40.58 -38 50 56.2           ~ 2 0
19 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
20 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
21 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
22 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
23 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
24 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 406 1
25 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 394 0
26 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
27 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 190 0
28 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 348 0
29 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 425 0
30 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 637 0
31 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 311 0
32 CXOGlb J173545.6-302900 GlC 17 35 45.6 -30 29 00           ~ 4 0
33 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 285 0
34 IGR J17361-4441 gam 17 36 17.418 -44 44 05.98           ~ 32 0
35 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
36 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 420 0
37 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
38 CXOGlb J174804.5-244641 LP* 17 48 04.606 -24 46 42.53         14.879 ~ 9 0
39 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
40 NAME TER 5 X-1 LXB 17 48 05.225 -24 46 47.66           ~ 229 1
41 MAXI J1747-249 LXB 17 48 05.3 -24 46 37           ~ 48 0
42 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
43 Cl Terzan 6 GlC 17 50 47.02873 -31 16 29.6900           ~ 214 0
44 ESO 456-38 GlC 18 01 49.10 -27 49 33.0           ~ 120 0
45 OGLE BLG511.6 25872 LX? 18 01 50.2752242338 -27 49 23.300323204     21.2     ~ 7 0
46 ESO 521-16 GlC 18 02 57.40 -26 04 00.0           ~ 123 0
47 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3
48 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
49 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 247 0
50 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 332 0
51 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 409 0
52 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
53 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
54 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 529 2
55 IGR J18245-2452 LXB 18 24 32.50 -24 52 07.8           ~ 253 0
56 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
57 Cl* NGC 6652 SAW V11 LXB 18 35 44.551 -32 59 38.38         18.72 ~ 23 0
58 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 474 0
59 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
60 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
61 [RW2006] 1 X 18 55 02.96 -30 28 45.0           ~ 4 0
62 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
63 [RW2006] 2 X 18 55 03.48 -30 28 47.4           ~ 4 0
64 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
65 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 264 0
66 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
67 [WA2001] M 15 X-3 X 21 29 58.155 +12 09 40.04           ~ 23 0
68 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
69 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
70 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
71 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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