2009ApJ...707..243R


Query : 2009ApJ...707..243R

2009ApJ...707..243R - Astrophys. J., 707, 243-249 (2009/December-2)

IGR J17544-2619 in depth with Suzaku: direct evidence for clumpy winds in a supergiant fast X-ray transient.

RAMPY R.A., SMITH D.M. and NEGUERUELA I.

Abstract (from CDS):

We present direct evidence for dense clumps of matter in the companion wind in a Supergiant Fast X-ray Transient (SFXT) binary. This is seen as a brief period of enhanced absorption during one of the bright, fast flares that distinguish these systems. The object under study was IGR J17544-2619, and a total of 236 ks of data were accumulated with the Japanese satellite Suzaku. The activity in this period spans a dynamic range of almost 104 in luminosity and gives a detailed look at SFXT behavior.

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Journal keyword(s): binaries: general - stars: individual: IGR J17544-2619 - stars: neutron - stars: winds, outflows - supergiants - X-rays: binaries

Simbad objects: 10

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Number of rows : 10
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 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1588 0
2 HD 306414 HXB 11 21 46.8238550520 -59 51 47.970396396 10.12 10.69 10.23 10.00   B1Ia 162 0
3 IGR J16207-5129 HXB 16 20 46.2644580432 -51 30 06.045320232   18.9   16.28 13.4 B1Ia 68 0
4 IGR J16479-4514 HXB 16 48 06.56184 -45 12 06.8148           O9.5Iab 142 0
5 AX J1739.1-3020 HXB 17 39 11.5515537336 -30 20 37.787917704     14.40 13.91   O8.5Iab(f) 166 1
6 IGR J17544-2619 HXB 17 54 25.2722906112 -26 19 52.576928292   14.71 12.94 12.10 10.38 O9Ib 207 0
7 SAX J1818.6-1703 HXB 18 18 37.8984077808 -17 02 47.967846180           B0Iab 112 0
8 IGR J18450-0435 HXB 18 45 01.5900617304 -04 33 56.643032844   16.278 14.115 13.467 11.42 O9.5I 97 0
9 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0
10 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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