SIMBAD references

2009MNRAS.399L.113C - Mon. Not. R. Astron. Soc., 399, L113-L117 (2009/October-2)

Discovery of the orbital period in the supergiant fast X-ray transient IGR J17544-2619.

CLARK D.J., HILL A.B., BIRD A.J., McBRIDE V.A., SCARINGI S. and DEAN A.J.

Abstract (from CDS):

The supergiant fast X-ray transient (SFXT) system IGR J17544-2619 has displayed many large outbursts in the past and is considered an archetypal example of SFXTs. A search of the INTEGRAL/ISGRI data archive from MJD 52698-54354 has revealed 11 outbursts and timing analysis of the light curve identifies a period of 4.926±0.001d which we interpret as the orbital period of the system. We find that large outbursts occasionally occur outside of periastron and place an upper limit for the radius of the supergiant of <23R☉.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

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

Simbad objects: 8

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