2009A&A...502...21B


Query : 2009A&A...502...21B

2009A&A...502...21B - Astronomy and Astrophysics, volume 502, 21-25 (2009/7-4)

Swift observations of IGR J16479-4514 in outburst.

BOZZO E., GIUNTA A., STELLA L., FALANGA M., ISRAEL G. and CAMPANA S.

Abstract (from CDS):

The supergiant fast X-ray transient source IGRJ16479-4514 was observed in outburst two times with Swift. Its quiescent state was investigated in-depth only once in 2008 through a relatively long pointed observation with XMM-Newton. The latter observation was taken about 1.7 days after the outburst in 2008, and showed an X-ray eclipse-like event, likely caused by the supergiant companion. At present, this is the only supergiant fast X-ray transient that displayed an evidence for an X-ray eclipse. Here we carry out a comparison between the most recent outburst of IGRJ16479-4514, caught by Swift on 29 January 2009 and those detected previously from this source. The decay from the outbursts in 2005, 2008 and 2009 presents many similarities, and suggests a common mechanism that modulates the mass accretion rate onto the neutron star in IGRJ16479-4514.

Abstract Copyright:

Journal keyword(s): X-rays: binaries - stars: binaries: eclipsing - stars: individual: IGR J16479-4514 - stars: neutron - X-rays: stars

Simbad objects: 4

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Number of rows : 4
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 HD 306414 s*b 11 21 46.8238550520 -59 51 47.970396396 10.12 10.69 10.23 10.00   B1Ia 144 0
2 2MASS J16480656-4512068 HXB 16 48 06.56 -45 12 06.8           O8.5Iab 128 2
3 SAX J1818.6-1703 HXB 18 18 37.8984077808 -17 02 47.967846180     17.4 17.4   ~ 97 0
4 IGR J18483-0311 HXB 18 48 17.2064716656 -03 10 16.865225040 23.702 25.162 21.884 17.888 15.88 B0.5Ia 117 0

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2023.02.02-19:25:21

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