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The mass of the black hole in A0620-00

Authors: T. Shahbaz; T. Naylor; P. A. Charles;

The mass of the black hole in A0620-00

Abstract

We determine mass‐ratio/inclination solutions for A0620‐00 by fitting the quiescent infrared light curve with an ellipsoidal model. Combining these solutions with the rotational broadening and the K velocity of the secondary star obtained by Marsh, Robinson, & Wood (1993), allows us to determine the mass of the system components. We find the most likely values are M1=10 M⊙ and M2=0.6 M⊙. We also find that the infrared color of the secondary star is consistent with it being a main sequence star. When used in conjunction with Bailey’s relation and our estimates to the radius of the secondary star, we find the most probable value for the distance to A0620‐00 is 1050 pc.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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