THE TRIGONOMETRIC PARALLAX OF CYGNUS X-1
We report a direct and accurate measurement of the distance to the X-ray binary Cygnus X-1, which contains the first black hole to be discovered. The distance of 1.86[superscript +0.12] [subscript - 0.11] kpc was obtained from a trigonometric parallax measurement using the Very Long Baseline Array....
Main Authors: | , , , , , |
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Other Authors: | , |
Format: | Article |
Language: | English |
Published: |
IOP Publishing,
2015-02-26T18:22:04Z.
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Subjects: | |
Online Access: | Get fulltext |