High-energy X-ray observations of the Galactic center region

1985 ◽  
Vol 290 ◽  
pp. 557 ◽  
Author(s):  
F. K. Knight ◽  
W. N., III Johnson ◽  
J. D. Kurfess ◽  
M. S. Strickman
Keyword(s):  
Galactic Center ◽  
High Energy ◽  
X Ray ◽  
Center Region

X-ray bursts from the source A1742-294 in the Galactic-center region

2001 ◽  
Vol 27 (8) ◽  
pp. 501-506 ◽  
Author(s):  
A. A. Lutovinov ◽  
S. A. Grebenev ◽  
M. N. Pavlinsky ◽  
R. A. Sunyaev
Keyword(s):  
Galactic Center ◽  
X Ray ◽  
Center Region

scholarly journals Unusual Diffuse X‐Ray Source in the Galactic Center Region

2002 ◽  
Vol 565 (2) ◽  
pp. 1017-1021 ◽  
Author(s):  
Atsushi Senda ◽  
Hiroshi Murakami ◽  
Katsuji Koyama
Keyword(s):  
Galactic Center ◽  
X Ray ◽  
Center Region

scholarly journals X-ray polarimetry – A new Window on Black Hole Systems

2016 ◽  
Vol 12 (S324) ◽  
pp. 338-341
Author(s):  
René W. Goosmann
Keyword(s):  
Black Hole ◽  
Binary Systems ◽  
Galactic Center ◽  
Galactic Nuclei ◽  
High Energy ◽  
X Ray ◽  
X Ray Imaging ◽  
History Of ◽  
Imaging Polarimetry ◽  
High Energy Emission

AbstractThree dedicated X-ray polarimetry mission projects are currently under phase A study at NASA and ESA. The need for this new observational window is more apparent than ever. On behalf of the consortium behind the X-ray Imaging Polarimetry Explorer (XIPE) we present here some prospects of X-ray polarimetry for our understanding of supermassive and stellar mass black hole systems. X-ray polarimetry is going to discriminate between leptonic and hadronic jet models in radio-loud active galactic nuclei. For leptonic jets it also puts important constraints on the origin of the seed photons that constitute the high energy emission via Comptonization. Another important application of X-ray polarimetry allows us to clarify the accretion history of the supermassive black hole at the Galactic Center. In a few Black Hole X-ray binary systems, X-ray polarimetry allows us to estimate in a new, independent way the angular momentum of the black hole.

Hard X-ray observation of galactic center region

1991 ◽  
Author(s):  
A. Bazzano ◽  
C. La Padula ◽  
P. Ubertini ◽  
R. K. Sood
Keyword(s):  
Galactic Center ◽  
X Ray ◽  
Center Region

scholarly journals 10.7. Absorption columns with bright X-ray sources near the galactic center: — mass estimation in the Galactic center region

1998 ◽  
Vol 184 ◽  
pp. 443-444 ◽  
Author(s):  
Masaaki Sakano ◽  
Mamiko Nishiuchi ◽  
Yoshitomo Maeda ◽  
Katsuji Koyama ◽  
Jun Yokogawa
Keyword(s):  
Simple Form ◽  
Total Mass ◽  
Column Density ◽  
Galactic Center ◽  
Galactic Plane ◽  
Angular Distance ◽  
Mass Determination ◽  
Mass Estimation ◽  
X Ray ◽  
Center Region

We report the column density distribution to the Galactic Center region using the X-ray binary observations with the X-ray satellite ASCA, and demonstrate a new method of the total mass determination near the Galactic Center. The column densities are given by a simple form as a function of the angular distance from the Galactic Plane. Assuming a disklike mass distribution of 500 pc radius, we estimate the total mass to be ~ 6 × 107M⊙.

scholarly journals HEAO-1 Diffuse Soft X-Ray Sky Maps

1984 ◽  
Vol 81 ◽  
pp. 219-221
Author(s):  
John A. Nousek ◽  
Gordon P. Garmire ◽  
George Weaver
Keyword(s):  
Galactic Center ◽  
Energy Interval ◽  
Background Intensity ◽  
X Ray ◽  
The North ◽  
Center Region ◽  
Local Emission ◽  
North Polar ◽  
X Ray Background

Maps of the diffuse soft X-ray background intensity are presented, spanning four energy intervals. The lowest energy interval (0.18-0.56 keV) is dominated by local emission, while the next two intervals (0.56-1.0 keV and 1.0-1.4 keV) reveal more distant and more sharply defined structures. Enlarged maps of several of these structures are presented, including the North Polar Spur, the Galactic Center region and the Eridanus Loop.

The X-ray global view of the Galactic Center region with the ASCA survey

1999 ◽  
Vol 320 (4-5) ◽  
pp. 330-330 ◽  
Author(s):  
M. Sakano ◽  
K. Koyama ◽  
J. Yokogawa ◽  
H. Murakami ◽  
M. Nishiuchi ◽  
...  
Keyword(s):  
Galactic Center ◽  
X Ray ◽  
Global View ◽  
Center Region

A hard X-ray survey of the Galactic-Center region with the IBIS telescope of the INTEGRAL observatory: A catalog of sources

2004 ◽  
Vol 30 (6) ◽  
pp. 382-389 ◽  
Author(s):  
M. G. Revnivtsev ◽  
R. A. Sunyaev ◽  
D. A. Varshalovich ◽  
V. V. Zheleznyakov ◽  
A. M. Cherepashchuk ◽  
...  
Keyword(s):  
Galactic Center ◽  
X Ray ◽  
Center Region
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