2021MNRAS.508.4008D

Query : 2021MNRAS.508.4008D

2021MNRAS.508.4008D - Mon. Not. R. Astron. Soc., 508, 4008-4016 (2021/December-2)

Ultraluminous X-ray sources in seven edge-on spiral galaxies.

DAGE K.C., VOWELL N., THYGESEN E., BAHRAMIAN A., HAGGARD D., KOVLAKAS K., KUNDU A., MACCARONE T.J., STRADER J., URQUHART R. and ZEPF S.E.

Abstract (from CDS):

We investigate a sample of seven edge-on spiral galaxies using Chandra observations. Edge-on spiral galaxies allow us to clearly separate source associated with their star-forming regions versus the outer edges of the system, offering a clear advantage over other systems. We uncover a number of X-ray point sources across these galaxies, and after eliminating contaminating foreground and background sources, we identify 12 candidate ultraluminous X-ray sources (ULXs). All of these sources are projected on to the central regions, implying that the majority of ULXs in this sample of spiral galaxies are disc/bulge, and thus not halo sources. This also includes two transient ULXs, which may be long-duration transients and low-mass X-ray binaries. This finding illustrates the need for further studies of transient ULXs.

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

Journal keyword(s): accretion, accretion discs - galaxies: spiral - X-rays: binaries

Nomenclature: Table 1: [DVT2021b] NNNNNULXN N=12.

Simbad objects: 34

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Number of rows : 34
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 SDSS J000249.44+161025.7 * 00 02 49.4441479622 +16 10 25.740976899           ~ 1 0
2 PSO J000.8054+16.1410 * 00 03 13.3104151168 +16 08 27.687109992           ~ 1 0
3 NGC 7814 GiG 00 03 14.947 +16 08 42.82   12.0       ~ 313 1
4 NAME NGC 300 2010da s*b 00 55 04.86 -37 41 43.7           LBV 189 0
5 QSO J0222+4221 QSO 02 22 24.420 +42 21 38.43       17.410   ~ 12 0
6 CXOSEXSI J022225.2+422451 QSO 02 22 25.33 +42 24 50.9           ~ 3 0
7 JCMTSE J022230.9+421956 ULX 02 22 31.310 +42 19 57.39           ~ 7 0
8 [BWC2008] U3 ULX 02 22 31.410 +42 20 23.97           ~ 9 1
9 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
10 3XMM J022233.4+422026 ULX 02 22 33.45 +42 20 26.8           ~ 5 0
11 [DVT2021b] N891ULX2 ULX 02 22 33.920 +42 20 53.42           ~ 1 0
12 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
13 NGC 2683 AGN 08 52 41.3064829584 +33 25 18.597681516 11.57 10.68 9.79 9.38   ~ 475 1
14 [WCI2003] 17 HXB 11 11 17.70 +55 40 09.9           ~ 3 0
15 [SST2011] J111126.05+554016.8 HXB 11 11 26.030 +55 40 16.66           ~ 3 0
16 M 108 AGN 11 11 30.967 +55 40 26.84   10.70       ~ 497 1
17 SDSS J115828.69+435508.0 AGN 11 58 28.698 +43 55 08.01           ~ 3 0
18 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 447 1
19 [VV2006] J115838.6+435505 QSO 11 58 38.5684951584 +43 55 05.847363912   20.58 20.19     ~ 26 0
20 SDSS J115845.43+440000.0 AGN 11 58 45.4424017296 +43 59 59.993641896           ~ 3 0
21 NGC 4157 GiC 12 11 04.365 +50 29 04.85 12.48 12.15 11.35     ~ 373 2
22 [DVT2021b] N4157ULX1 ULX 12 11 04.530 +50 28 50.33           ~ 1 0
23 [DVT2021b] N4157ULX3 ULX 12 11 05.720 +50 29 12.65           ~ 1 0
24 [DVT2021b] N4157ULX2 ULX 12 11 10.330 +50 29 21.67           ~ 1 0
25 SDSS J121113.65+502646.3 QSO 12 11 13.6557182712 +50 26 46.333826448           ~ 14 0
26 ATO J182.8206+50.3681 V* 12 11 16.9981363920 +50 22 05.383398180           ~ 3 0
27 SDSS J121118.22+502651.8 * 12 11 18.21209280 +50 26 52.0716480           ~ 1 0
28 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1126 1
29 NGC 5906 GiG 15 15 53.687 +56 19 43.86   11.4       ~ 807 0
30 PSO J339.2161+34.4336 * 22 36 51.86421360 +34 26 00.9630240           ~ 1 0
31 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2
32 [DVT2021b] N7331ULX1 ULX 22 37 05.64 +34 26 53.5           ~ 3 0
33 CXOU J223706.6+342620 ULX 22 37 06.62 +34 26 20.1           ~ 5 1
34 [DVT2021b] N7331ULX2 ULX 22 37 08.070 +34 26 00.00           ~ 3 0

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