Abstract
view Abstract Citations (10) References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Light Curve of a Source Orbiting a Black Hole: A Fitting Formula Karas, V. Abstract A simple, analytic fitting formula for the photometric light curve of a source of light orbiting a black hole is presented. The formula is applicable for a source in a circular orbit with radius smaller than 45 gravitational radii from the black hole. This range of radii requires gravitational focusing of light rays and the Doppler effect to be taken into account with care. The fitting formula is therefore useful for modeling the X-ray variability of inner regions in active galactic nuclei. Publication: The Astrophysical Journal Pub Date: October 1996 DOI: 10.1086/177904 arXiv: arXiv:astro-ph/9605083 Bibcode: 1996ApJ...470..743K Keywords: ACCRETION; ACCRETION DISKS; BLACK HOLE PHYSICS; GALAXIES: ACTIVE; X-RAYS: GALAXIES; Astrophysics E-Print: 12 pages, requires aasms.sty, to appear in The Astrophysical Journal, Vol. 470 (October 20, 1996), figures available upon request from the Author, or at http://otokar.troja.mff.cuni.cz/user/karas/au_www/karas/papers.htm full text sources arXiv | ADS |
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