Infrared Spectroscopy Of V404 CYGNI. Limits On The Accretion Disc Contamination

Details Infrared Spectroscopy Of V404 CYGNI. Limits On The Accretion Disc Contamination Infrared Spectroscopy Of V404 CYGNI. Limits On The Accretion Disc Contamination

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996oxun.reptq....s&link_type=abstract

Journal Article, Oxford Univ. Oxford, United Kingdom

Astronomy and Astrophysics

Astronomy

Infrared Spectroscopy, Deposition, Accretion Disks, Astronomical Models, Binary Stars, Astronomical Spectroscopy, Black Holes (Astronomy), Cygnus Constellation, Infrared Sources (Astronomy), Cosmic X Rays

Scientific paper

We have obtained for the first time 2.10 - 2.45 micron infrared spectra of soft X-ray transient V404 Cygni. We determine a 95 percent confidence upper limit to the fraction of light arising from the accretion disc of 14 percent. The effect this has on the mass of the compact object, determined from modelling the infrared ellipsoidal variations, is to reduce its mass to at most 10 M(solar mass).

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