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A highly-ionized absorber as a new explanation for the spectral changes during dips from X-ray binaries
L. Boirin, M. Diaz Trigo, M. Mendez +2
Until now, the spectral changes observed from persistent to dipping intervals in dipping low-mass X-ray binaries were explained by invoking progressive and partial covering of an e…
The Iron K-shell features of MXB 1728-34 from a Simultaneous Chandra-RXTE Observation
A. D' Ai, T. Di Salvo, R. Iaria +7
We report on a simultaneous Chandra and RossiXTE observation of the low-mass X-ray binary atoll bursting source MXB 1728-34 performed on 2002 March 3-5. We fit the 1.2-35 keV conti…
Spectral changes during dipping in low-mass X-ray binaries due to highly-ionized absorbers
M. Diaz Trigo, A. N. Parmar, L. Boirin +2
X-ray observations have revealed that many microquasars and low-mass X-ray binaries (LMXBs) exhibit narrow absorption features identified with resonant absorption from Fe XXV and F…
On the nature of two low M-dot X-ray bursters: 1RXS J170854.4-321857 and 1RXS J171824.2-402934
J. J. M. in 't Zand, R. Cornelisse, M. Mendez
We carried out Chandra observations of two low-luminosity low-mass X-ray binaries, 1RXS J170854.4-321857 and 1RXS J171824.2-402934, for which previously single X-ray bursts had bee…
Sidebands to the lower kilohertz QPO in 4U1636-53
P. G. Jonker, M. Mendez, M. van der Klis
In this Paper we report on further observations of the third and fourth kilohertz quasi-periodic oscillations (QPOs) in the power spectrum of the low-mass X-ray binary (LMXB) 4U163…
Rapid variability of the arcsec-scale X-ray jets of SS 433
S. Migliari, R. P. Fender, K. M. Blundell +2
We present the X-ray images of all the available Chandra observations of the galactic jet source SS 433. We have studied the morphology of the X-ray images and inspected the evolut…