dc.contributor.author |
Ghosh, K. K |
|
dc.contributor.author |
Soundararajaperumal, S |
|
dc.date.accessioned |
2008-06-17T07:00:06Z |
|
dc.date.available |
2008-06-17T07:00:06Z |
|
dc.date.issued |
1992-10 |
|
dc.identifier.citation |
APJ, Vol. 398, No. 2, Part I, 501 - 506 |
en |
dc.identifier.uri |
http://hdl.handle.net/2248/2442 |
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dc.description.abstract |
Results of the detailed X-ray (0.1-10 keV) spectral analysis of the Seyfert 1 galaxy, MGC 2-58-22, are presented based on the Exosat observations on 1984 November 16-26. X-ray spectra of this source were obtained from the Exosat archives. Weak, soft flux (0.1-2 keV) variations were found on time scales of 2-3 days, and no variations of the hard flux were found during the Exosat observations. Variable soft excesses have been detected in this source. A two power-law model provides good fits to the soft excesses. Variations of the LE count rate are correlated with the variations of the soft spectral index (obtained from the two power-law fit) and anticorrelated with the hardness ratio of this source. A highly significant (99.9 percent) emission line at 5.8 +/- 0.7 keV with the measured equivalent width as 160 +/- 110 eV has been detected in the X-ray spectra of MCG 2-58-22. The significance of these results are discussed. |
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dc.format.extent |
961010 bytes |
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dc.format.mimetype |
application/pdf |
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dc.language.iso |
en |
en |
dc.publisher |
University of Chicago Press |
en |
dc.relation.uri |
http://adsabs.harvard.edu/abs/1992ApJ...398..501G |
en |
dc.subject |
SEYFERT GALAXIES |
en |
dc.subject |
X RAY SPECTRA |
en |
dc.subject |
ABSORPTION SPECTRA |
en |
dc.subject |
ASTRONOMICAL SPECTROSCOPY |
en |
dc.subject |
EXOSAT SATELLITE |
en |
dc.subject |
SPECTRAL LINE WIDTH |
en |
dc.subject |
SPECTRUM ANALYSIS |
en |
dc.title |
X-ray observations of the Seyfert 1 galaxy MCG 2-58-22 |
en |
dc.type |
Article |
en |