| Issue |
A&A
Volume 365, Number 1, January 2001
First Results from XMM-Newton
|
|
|---|---|---|
| Page(s) | L140 - L145 | |
| DOI | https://doi.org/10.1051/0004-6361:20000209 | |
| Published online | 15 January 2001 | |
Soft X-ray emission lines from a relativistic accretion disk in MCG-6-30-15 and Mrk 766 *
1
Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK
2
Department of Physics and Columbia Astrophysics Laboratory, Columbia University, 550 West 120th Street, New York, NY 10027, USA
3
Space Research Organisation of The Netherlands, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands
G. Branduardi-Raymont
Received:
2
October
2000
Accepted:
6
November
2000
XMM-Newton Reflection Grating Spectrometer (RGS) spectra of the Narrow Line Seyfert 1 galaxies MCG-6-30-15 and Mrk 766 are physically and spectroscopically inconsistent with standard models comprising a power-law continuum absorbed by either cold or ionized matter. We propose that the remarkably similar features detected in both objects in the 5-35 Åband are H-like oxygen, nitrogen, and carbon emission lines, gravitationally redshifted and broadened by relativistic effects in the vicinity of a Kerr black hole. We discuss the implications of our interpretation, and demonstrate that the derived parameters can be physically self-consistent.
Key words: black hole physics / accretion, accretion disks / line: formation / galaxies: individual: MCG-6-30-15 / galaxies: individual: Mrk 766 / X-rays: galaxies
© ESO, 2001
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.