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Be/X-ray binary SXP6.85 undergoes large Type II outburst in the Small Magellanic Cloud
L. J. Townsend, M. J. Coe, V. A. McBride +6
The Small Magellanic Cloud (SMC) Be/X-ray binary pulsar SXP6.85 = XTE J0103-728 underwent a large Type II outburst beginning on 2008 August 10. The source was consistently seen for…
Recent discoveries of supersoft X-ray sources in M 31
M. Henze, W. Pietsch, F. Haberl +9
Classical novae (CNe) have recently been reported to represent the major class of supersoft X-ray sources (SSSs) in the central area of our neighbouring galaxy M 31. This paper pre…
Supersoft sources in M 31: Comparing the XMM-Newton Deep Survey, ROSAT and Chandra catalogues
H. Stiele, W. Pietsch, F. Haberl +3
To investigate the transient nature of supersoft sources (SSSs) in M 31, we compared SSS candidates of the XMM-Newton Deep Survey, ROSAT PSPC surveys and the Chandra catalogues in…
Chandra ACIS Survey of M33 (ChASeM33): The enigmatic X-ray emission from IC131
R. Tuellmann, K. S. Long, T. G. Pannuti +9
We present the first X-ray analysis of the diffuse hot ionized gas and the point sources in IC131, after NGC604 the second most X-ray luminous giant HII region in M33. The X-ray em…
XMM-Newton RGS spectrum of RX J0720.4-3125: An absorption feature at 0.57 keV
V. Hambaryan, R. Neuhäuser, F. Haberl +2
We found a narrow absorption feature at 0.57keV in the co-added RGS spectrum of the isolated neutron star RX J0720.4-3125 with an equivalent width of 1.35+/-0.3eV and FWHM ~6.0eV.…
Proper motions of thermally emitting isolated neutron stars measured with Chandra
C. Motch, A. M. Pires, F. Haberl +2
The remarkable astrometric capabilities of Chandra offer the possibility to measure proper motions of X-ray sources with an unprecedented accuracy in this wavelength range. We rece…