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A Suzaku X-ray observation of one orbit of the supergiant fast X-ray transient IGR J16479-4514
L. Sidoli, P. Esposito, V. Sguera +6
We report on a 250 ks long X-ray observation of the supergiant fast X-ray transient (SFXT) IGR J16479-4514 performed with Suzaku in 2012 February. About 80% of the short orbital pe…
X-ray emission from hot subdwarfs with compact companions
Sandro Mereghetti, Nicola La Palombara, Paolo Esposito +1
We review the X-ray observations of hot subdwarf stars. While no X-ray emission has been detected yet from binaries containing B-type subdwarfs, interesting results have been obtai…
Swift observations of two supergiant fast X-ray transient prototypes in outburst
R. Farinelli, P. Romano, V. Mangano +6
We report on the results from observations of the most recent outbursts of XTE J1739-302 and IGR J17544-2619, which are considered to be the prototypes of the supergiant fast X-ray…
Discovery of a compact companion to the hot subdwarf star BD+37 442
N. La Palombara, S. Mereghetti, A. Tiengo +1
We report the results of the first X-ray observation of the luminous and helium-rich O-type subdwarf BD+37 442, carried out with the XMM-Newton satellite in August 2011. X-ray emis…
Multi-wavelength Observations of the Radio Magnetar PSR J1622-4950 and Discovery of its Possibly Associated Supernova Remnant
Gemma E. Anderson, B. M. Gaensler, Patrick O. Slane +29
We present multi-wavelength observations of the radio magnetar PSR J1622-4950 and its environment. Observations of PSR J1622-4950 with Chandra (in 2007 and 2009) and XMM (in 2011)…