2010MNRAS.408..975M


Query : 2010MNRAS.408..975M

2010MNRAS.408..975M - Mon. Not. R. Astron. Soc., 408, 975-982 (2010/October-3)

XMM-Newton observations of unidentified INTEGRAL/IBIS sources.

MALIZIA A., BASSANI L., SGUERA V., STEPHEN J.B., BAZZANO A., FIOCCHI M. and BIRD A.J.

Abstract (from CDS):

About 30 per cent of the sources in the fourth INTEGRAL/IBIS catalogue are unidentified in that they lack an optical counterpart. To be able to classify them, X-ray observations are of crucial importance as they can place tighter constraints on the high-energy error box, which is usually of the order of a few arcminutes, and allow their broad-band spectrum to be studied. To this aim we have cross-correlated the list of all unidentified IBIS sources in the fourth catalogue with the archive of all XMM-Newton pointings, finding a set of six objects with archival data. For one of them, IGRJ17331-2406, no X-ray source is detected by XMM inside the IBIS error box, most likely due to the fact that it is a transient object. In the case of IGRJ17445-2747 two possible X-ray counterparts are found inside the IBIS error box: one is very weak while the other is bright, but only detected once. In each of the remaining four cases: IGRJ155359-5750, AXJ1739.3-2923, AXJ1740.2-2903 and IGRJ18538-0102, we find instead a convincing association, for which we provide an improved X-ray position and information on the optical/infrared counterpart. We also performed a detailed analysis of their XMM/IBIS spectra, and on the basis of all information acquired we suggest that IGRJ155359-5750 is an active galactic nucleus (AGN) of intermediate type, AXJ1739.3-2923 and AXJ1740.2-2903 are high-mass X-ray binary systems, IGRJ17331-2406 and IGRJ17445-2747 are Galactic transient sources and IGRJ18538-0102 could be a background AGN.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): catalogues - surveys - gamma-rays: general - X-rays: general

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 IC 450 Sy1 06 52 12.3346265592 +74 25 37.121227716   15.16 14.19     ~ 535 1
2 2MASS J13473599-6037037 Sy1 13 47 36.00 -60 37 03.8         16.77 ~ 87 0
3 SWIFT J1535.8-5749 AG? 15 35 52.8 -57 50 55           ~ 19 0
4 MGPS J153602-574854 Rad 15 36 02.61 -57 48 54.6           ~ 1 0
5 2MASS J15360282-5748529 NIR 15 36 02.828 -57 48 52.99           ~ 1 0
6 [KRL2007b] 247 BH? 17 33 13 -24 09.4           ~ 16 0
7 2MASS J17391792-2923478 * 17 39 17.9342957688 -29 23 48.012159660           ~ 1 0
8 [SKM2002] 8 HX? 17 39 21.840 -29 23 24.00           ~ 6 0
9 [SKM2002] 14 HX? 17 40 11.10 -29 02 54.0           ~ 15 0
10 2MASS J17401814-2903381 NIR 17 40 18.143 -29 03 38.12           ~ 1 0
11 XMMSL1 J174429.4-274609 X 17 44 29.4 -27 46 09           ~ 7 0
12 2MASS J17442946-2746114 NIR 17 44 29.469 -27 46 11.43           ~ 1 0
13 IGR J17445-2747 XB? 17 44 30.4173333552 -27 46 00.509377908           ~ 28 0
14 CXOU J174435.4-274453 X 17 44 35.4 -27 44 53           ~ 1 0
15 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 13304 0
16 SNR G032.1-00.9 SNR 18 53 10 -01 08.0           ~ 23 0
17 1RXH J185348.2-010228 X 18 53 48.2 -01 02 28           ~ 1 0
18 2XMM J185348.4-010229 X 18 53 48.4 -01 02 29           ~ 3 0
19 2MASS J18534847-0102295 NIR 18 53 48.480 -01 02 29.60           ~ 3 1
20 IGR J18538-0102 Sy1 18 53 48.50 -01 02 30.0           ~ 11 1
21 USNO-B1.0 0889-00406090 * 18 53 48.5960376936 -01 02 31.206335568       15.2   ~ 2 0
22 4C 50.55 Sy1 21 24 39.3723318183 +50 58 25.814349399           ~ 92 1
23 NAME Galactic Bulge reg ~ ~           ~ 3965 0

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2022.11.26-10:32:13

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