Thompson (Reports, 1 November 2019, p. 637) interpreted the unseen companion of the red giant star 2MASS J05215658+4359220 as most likely a black hole. We argue that if the red giant's mass is ~1 solar mass, its companion can be a close binary consisting of two main-sequence stars. This would explain why no x-ray emission is detected from the system.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1126/science.aba3282 | DOI Listing |
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!