2006A&A...459...21M

Query : 2006A&A...459...21M

2006A&A...459...21M - Astronomy and Astrophysics, volume 45921-30 (2006/11-3)

Unveiling the nature of INTEGRAL objects through optical spectroscopy. V. Identification and properties of 21 southern hard X-ray sources.

MASETTI N., MORELLI L., PALAZZI E., GALAZ G., BASSANI L., BAZZANO A., BIRD A.J., DEAN A.J., ISRAEL G.L., LANDI R., MALIZIA A., MINNITI D., SCHIAVONE F., STEPHEN J.B., UBERTINI P. and WALTER R.

Abstract (from CDS):

Optical spectroscopic identification of the nature of 21 unidentified southern hard X-ray objects is reported here in the framework of our campaign aimed at determining the nature of newly-discovered and/or unidentified sources detected by INTEGRAL. Our results show that 5 of these objects are magnetic Cataclysmic Variables (CVs), 4 are High-Mass X-ray Binaries (HMXBs; one of which is in the Large Magellanic Cloud) and 12 are Active Galactic Nuclei (AGNs). When feasible, the main physical parameters for these hard X-ray sources are also computed using the multiwavelength information available in the literature. These identifications further underscore the importance of INTEGRAL in the study of the hard X-ray spectrum of AGNs, HMXBs and CVs, and the usefulness of a strategy of catalogues cross-correlation plus optical spectroscopy to securely pinpoint the actual nature of the X-ray sources detected with INTEGRAL.

Abstract Copyright: ∼

Journal keyword(s): galaxies: Seyfert - stars: novae, cataclysmic variables - X-rays: binaries - techniques: spectroscopic - X-rays: general

Simbad objects: 26

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Number of rows : 26
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 OGLE LMC130.4 19472 HXB 05 00 46.0548726168 -70 44 36.054234204   14.92       O9Ve 37 0
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 LEDA 3097174 Sy2 07 56 19.636 -41 37 42.07           ~ 65 1
4 2MASS J07594181-3843560 Sy1 07 59 41.8249527816 -38 43 56.041748544           ~ 71 0
5 CD-32 5613 WD* 08 41 32.4290850497 -32 56 32.915823461   12.07 11.85 12.3   DA5.5 325 0
6 IGR J10101-5654 HXB 10 10 11.8705945032 -56 55 32.002461804         15.529 B[e]I 23 0
7 LEDA 38038 Sy2 12 02 47.6234151336 -53 50 07.791323712   17.3       ~ 87 0
8 XSS J12270-4859 Psr 12 27 58.7476831464 -48 53 42.824592960           ~ 321 0
9 IGR J13020-6359 HXB 13 01 58.7205396744 -63 58 08.828687136           B0.5Ve 68 0
10 LEDA 511869 Sy2 14 17 03.6615251736 -46 41 41.225045820   12.5   15.0   ~ 56 2
11 2MASS J14471488-6317192 Sy2 14 47 14.88 -63 17 19.2           ~ 25 0
12 LEDA 3079667 Sy2 14 51 33.1399230504 -55 40 38.331391008           ~ 52 0
13 2MASS J14534105-5521387 CV* 14 53 41.0567607504 -55 21 38.723308992           ~ 46 0
14 LEDA 3076910 Sy1 14 55 17.5192400136 -51 34 15.181812480           ~ 77 0
15 2MASS J15092601-6649232 CV* 15 09 26.0168351808 -66 49 23.279486268           ~ 53 0
16 INTEGRAL1 19 CV* 16 16 37.7619215160 -49 58 44.568123960   17.4   16.2 14.5 ~ 48 0
17 LEDA 3078020 Sy1 16 18 36.4604121432 -59 27 17.275541472           ~ 64 0
18 HD 146803 Em* 16 20 36.3350046480 -51 29 35.308966632   10.35 10.39     A1IV 14 0
19 IGR J16207-5129 HXB 16 20 46.2644580432 -51 30 06.045320232   18.9   16.28 13.4 B1Ia 68 0
20 2MASS J16560561-5203408 Sy1 16 56 05.6062967232 -52 03 40.854141144           ~ 69 0
21 1RXS J171935.6-410054 CV* 17 19 35.8927822656 -41 00 53.529823332   15.60 15.20 15.33 14.3 ~ 68 0
22 2MASS J17200591-3116596 HXB 17 20 05.91 -31 16 59.6           ~ 41 0
23 2MASS J17485512-3254521 Sy2 17 48 55.13 -32 54 52.1           ~ 61 0
24 2MASS J17511362-2012145 Sy1 17 51 13.6203430728 -20 12 14.580679392           ~ 36 0
25 IC 4709 Sy2 18 24 19.3825237104 -56 22 08.709650004   14.41   13.10   ~ 78 0
26 CD-44 12736 PM* 18 36 25.9502475648 -44 18 36.907592904   10.83 10.22     G0 222 0

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