SIMBAD references

2006A&A...455..653P - Astronomy and Astrophysics, volume 455, 653-658 (2006/8-4)

IGR J17544-2619: a new supergiant fast X-ray transient revealed by optical/infrared observations.

PELLIZZA L.J., CHATY S. and NEGUERUELA I.

Abstract (from CDS):

One of the most recent discoveries of the INTEGRAL observatory is the existence of a previously unknown population of X-ray sources in the inner arms of the Galaxy. IGR J17544-2619, IGR J16465-4507 and XTE J1739-302 are among these sources. Although the nature of these systems is still unexplained, the investigations of the optical/NIR counterparts of the two last sources, combined with high energy data, have provided evidence of them being highly absorbed high mass X-ray binaries with blue supergiant secondaries and displaying fast X-ray transient behaviour. In this work we present our optical/NIR observations of IGR J17544-2619, aimed at identifying and characterizing its counterpart. We show that the source is a high mass X-ray binary at a distance of 2-4kpc with a strongly absorbed O9Ib secondary, and discuss the nature of the system.

Abstract Copyright:

Journal keyword(s): X-rays: binaries - X-rays: individual: IGR J17544-2619

Nomenclature: Table 3: [PCN2006b] CN (Nos C1-C5).

Simbad objects: 18

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2019.10.19-07:41:56

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