That's relatively far apart for a pair of stellar companions. (astrobio.net)
We detect the low - mass stellar companions of HD 7449 and HD 211847, both members of our high - eccentricity sample. (arxiv.org)
In 12 years of telescope data from NASA's orbiting Chandra X-ray Observatory, Hailey and colleagues found 12 objects emitting the right X-ray energy to be black holes with stellar companions. (sciencenews.org)