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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…
AX J1910.7+0917 and three newly discovered INTEGRAL sources
L. Pavan, E. Bozzo, C. Ferrigno +4
We take advantage of the high sensitivity of the IBIS/ISGRI telescope and the improvements in the data analysis software to investigate the nature of the still poorly known X-ray s…
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…
Hard X-ray identification of Eta Carinae and steadiness close to periastron
Jean-Christophe Leyder, Roland Walter, Gregor Rauw
Context: The colliding-wind binary Eta Car exhibits soft X-ray thermal emission that varies strongly around periastron, and non-thermal emission seen in hard X-rays and gamma-rays.…
X-Ray Wind Tomography of the highly absorbed HMXB IGR J17252-3616
A. Manousakis, R. Walter
Our goal is to understand the specificities of highly absorbed sgHMXB and in particular of the companion stellar wind, thought to be responsible for the strong absorption. We have…
HESS J1632-478: an energetic relic
M. Balbo, P. Saouter, R. Walter +4
HESS J1632-478 is an extended and still unidentified TeV source in the galactic plane. In order to identify the source of the very high energy emission and to constrain its spectra…
Extreme flux states of NGC 4151 observed with INTEGRAL
P. Lubinski, A. A. Zdziarski, R. Walter +5
We present a comprehensive spectral analysis of all INTEGRAL data obtained so far for the X-ray--bright Seyfert galaxy NGC 4151. We also use all contemporaneous data from RXTE, XMM…
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…
INTEGRAL hard X-ray spectra of the cosmic X-ray background and Galactic ridge emission
M. Turler, M. Chernyakova, T. J. -L. Courvoisier +4
We derive the spectra of the cosmic X-ray background (CXB) and of the Galactic ridge X-ray emission (GRXE) in the ~20-200 keV range from the data of the IBIS instrument aboard the…