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Suzaku captures a possible eclipse in IGR J16207-5129 and identifies a weak-flaring state in IGR J17391-3021
A. Bodaghee, J. A. Tomsick, J. Rodriguez +4
We present the results from analyses of Suzaku observations of the supergiant X-ray binaries IGR J16207-5129 and IGR J17391-3021. For IGR J16207-5129, we provide the first broadban…
Confirmation of IGR J01363+6610 as a Be X-ray binary with very low quiescent X-ray luminosity
John A. Tomsick, Craig Heinke, Jules Halpern +4
The field containing the candidate High Mass X-ray Binary IGR J01363+6610 was observed by XMM-Newton on 2009 July 31 for 28 ks. A Be star was previously suggested as the possible c…
Suzaku observes weak flares from IGR J17391-3021 representing a common low-activity state in this SFXT
A. Bodaghee, J. A. Tomsick, J. Rodriguez +4
We present an analysis of a 37-ks observation of the supergiant fast X-ray transient (SFXT) IGR J17391-3021 (=XTE J1739-302) gathered with Suzaku. The source evolved from quiescenc…
RXTE and XMM observations of intermediate polar candidates
O. W. Butters, A. J. Norton, K. Mukai +1
Aims. To determine the credentials of nine candidate intermediate polars in order to confirm whether or not they are magnetic cataclysmic variables. Methods. Frequency analysis of…
FS Aurigae: a Triple Cataclysmic Variable System containing Precessing, Magnetic White Dwarf
G. Tovmassian, S. Zharikov, C. Chavez +4
We present here results of numerical calculations demonstrating that the very long periodic variability detected in the Cataclysmic Variable FS Aur can be the result of eccentricit…
Masses of Neutron Stars in High-Mass X-ray Binaries with Optical Astrometry
John A. Tomsick, Matthew W. Muterspaugh
Determining the type of matter that is inside a neutron star (NS) has been a long-standing goal of astrophysics. Despite this, most of the NS equations of state (EOS) that predict…
Broadband Suzaku observations of IGR J16207-5129
Arash Bodaghee, John A. Tomsick, Jerome Rodriguez +3
An analysis of IGR J16207-5129 is presented based on observations taken with Suzaku. The data set represents ~80 ks of effective exposure time in a broad energy range between 0.5 a…
Swift follow-up of 13 INTEGRAL sources
Jerome Rodriguez, John A. Tomsick, Arash Bodaghee
Abridged : The various IBIS/ISGRI catalogues contain a large population of hard X-ray sources whose nature is still unknown. Even if the keV positional uncertainty provided b…
The Double-Degenerate Nucleus of the Planetary Nebula TS 01. A Close Binary Evolution Showcase
Gagik Tovmassian, Lev Yungelson, Thomas Rauch +8
We present a detailed investigation of SBS1150+599A, a close binary star hosted by the planetary nebula PN G135.9+55.9 (TS01, Stasinska et al, 2009). The nebula, located in the Gal…