2013A&A...549A..81G

Query : 2013A&A...549A..81G

2013A&A...549A..81G - Astronomy and Astrophysics, volume 549A, 81-81 (2013/1-1)

Five fake ultra-luminous X-ray sources.

GUTIERREZ C.M.

Abstract (from CDS):

The nature of ultra-luminous X-ray (ULX) sources is still a matter of debate. Studies of their counterparts in other spectral ranges will help to clarify the nature of those sources. Our goal was to identify and characterize the optical counterparts of five sources catalogued as ULXs. We obtained optical imaging and intermediate resolution spectroscopy of these optical counterparts. We demonstrate that five sources previously catalogued as ULXs, two are foreground stars in our galaxy and three are background active galactic nuclei.

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Journal keyword(s): quasars: general - X-rays: general - stars: general

Simbad objects: 14

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Number of rows : 14
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 [FWB2009] HLX-1 ULX 01 10 28.30 -46 04 22.3     24.5 23.80   ~ 201 1
2 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4602 2
3 GSC 04699-00005 * 02 42 44.4242212896 -00 06 32.816647476   13.37 12.46 12.35   ~ 10 0
4 RX J031820.3-662911 UX? 03 18 20.00 -66 29 10.9           ~ 212 1
5 [SST2011] J034555.61+680455.3 ULX 03 45 55.612 +68 04 55.29           ~ 167 1
6 NGC 2500 GiG 08 01 53.1717201720 +50 44 13.602483780 11.98 12.20 11.62 11.34 10.85 ~ 200 2
7 CXO J080157.8+504339 AGN 08 01 57.84 +50 43 39.4           ~ 8 0
8 [SST2011] J081929.00+704219.3 ULX 08 19 28.99 +70 42 19.4           ~ 194 2
9 NAME NGC 2986-X1 X 09 44 14.285 -21 14 31.96           ~ 2 0
10 NGC 2986 EmG 09 44 16.0193679072 -21 16 40.971622512   11.60 10.93 9.96   ~ 168 0
11 NGC 4150 GiG 12 10 33.655 +30 24 05.35 12.72 12.44 11.64     ~ 310 2
12 NAME NGC 4150-X1 QSO 12 10 34.7059808904 +30 23 58.437832380           ~ 6 0
13 SDSS J134859.45+601457.9 QSO 13 48 59.4583731768 +60 14 57.861185424           ~ 10 0
14 [FK2005] 25 ULX 14 03 19.63 -41 22 58.7           ~ 233 0

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