 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| • HOME • ABOUT • CATEGORIES • USE OF TEXT AND IMAGES • NEWSLETTER   
|
Van Biesbroeck 8
A nearby, low-luminosity M star (red dwarf) which appears in the catalogue of ultrafaint objects discovered by the Belgian-American astronomer George van Biesbroeck (1880–1974); it lies in the constellation Ophiuchus at a distance of 18.7 light-years. In 1984, independent announcements were made of the discovery of an unseen companion, van Biesbroeck 8b (VB 8b), which was suspected of being a brown dwarf. The claims were made by Robert Harrington of the US Naval Observatory, based on astrometric observations, and by Donald McCarthy and colleagues at the University of Arizona, from a study using infrared speckle interferometry. Despite this persuasive double sighting, however, subsequent observations of greater sensitivity failed to uncover any further trace of the object. As a result, it is now generally accepted that VB 8b does not exist.
Related category
• NOTABLE STARSAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History