2011A&A...526A..15P


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.03CEST22:23:31

2011A&A...526A..15P - Astronomy and Astrophysics, volume 526A, 15-15 (2011/2-1)

Unveiling the nature of IGR J16283-4838.

PELLIZZA L.J., CHATY S. and CHISARI N.E.

Abstract (from CDS):

One of the most striking discoveries of the INTEGRAL observatory is the existence of a previously unknown population of X-ray sources in the inner arms of the Galaxy. The investigations of the optical/NIR counterparts of some of them have provided evidence that they are highly absorbed high mass X-ray binaries hosting supergiants. We aim to identify the optical/NIR counterpart of one of the newly discovered INTEGRAL sources, IGR J16283-4838, and determine the nature of this system.We present optical and NIR observations of the field of IGR J16283-4838, and use the astrometry and photometry of the sources within it to identify its counterpart. We obtain its NIR spectrum, and its optical/NIR spectral energy distribution by means of broadband photometry. We search for the intrinsic polarization of its light, and its short and long-term photometric variability.We demonstrate that this source is a highly absorbed HMXB located beyond the Galactic center, and that it may be surrounded by a variable circumstellar medium.

Abstract Copyright:

Journal keyword(s): X-rays: binaries - X-rays: individual: IGR J16283-4838

Nomenclature: Fig. 1, Table 4: [PCC2011] CN (Nos C1-C3).

Simbad objects: 8

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Number of rows : 8

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 125184 PM* 14 18 00.7267905253 -07 32 32.612018298   7.20 6.50     G5/6V 142 0
2 2MASS J16281083-4838560 HXB 16 28 10.83 -48 38 56.1           OBsg 31 1
3 [PCC2011] C3 NIR 16 28 10.99 -48 38 57.3           ~ 1 0
4 [PCC2011] C2 NIR 16 28 11.01 -48 38 56.3           ~ 1 0
5 IGR J16318-4848 HXB 16 31 48.3102815892 -48 49 00.664215918           ~ 157 0
6 HD 150193 Be* 16 40 17.9242900066 -23 53 45.192676418 9.69 9.32 8.79 8.41   B9.5Ve 290 0
7 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11533 0
8 INTEGRAL1 111 HXB 19 14 04.2269997048 +09 52 58.398334234   18.6 16.4     B0.5I 88 0

    Equat.    Gal    SGal    Ecl

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2020.07.03-22:23:31

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