RY SagittariiThe yellow supergiant RY Sagittarii is one of the rare R Coronae Borealis stars. It has a large envelope and 30 AU away from it is a dust cloud from a former eruption. In such eruptions temperature cools down so much that carbon dust forms and eclipses the star.Constellation: Sagittarius Distance: 6000 light-years Spectral class: G0 Visual magnitude: 7.2 Diameter: 60 * Sun Back: List of Special Stars part 2 08/05/2007 |
Graphic: ESO |
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