Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.415l&link_type=abstract
Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:
Astronomy and Astrophysics
Astrophysics
Scientific paper
Observations of the bright Seyfert 1 galaxy MCG-6-30-15 with the Rossi X-ray Timing Explorer clearly show evidence for the broad fluorescent iron line, and the Compton reflection continuum at higher energies. A comparison of the iron line and the reflection continuum has enabled us to place constraints on the reflective fraction versus elemental abundance relationship in the accretion disk for the first time. Temporal studies with our 50 ks RXTE observation provide evidence that spectral variability may be due to both intrinsic changes in the source itself as well as the amount of reprocessing. ASCA observations have shown strong evidence for a variable iron Kalpha emission line; our recent joint ASCA + RXTE observations spanning ~400 ks will allow for study of the variability of the reflection continuum in detail.
Brandt Wiliam N.
Fabian Andrea C.
Iwasawa Kashuzi
Lee Jae-Chul
Reynolds Chris S.
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