Aug. 30th, 2010

41 Arae

Aug. 30th, 2010 07:47 pm
jude_rook: Image of Andromeda Galaxy (Default)
Low metallicity indicates that this G8V star (with a K or M companion) is an “old disk” star with a poor shot at having planets.  Still, “low” in this case means about 45% of Sol’s, so they’re not out of the question.  41 Arae is about 29 light years from us.

ETA: Mamajek and Hildebrand give an age range of 5.5 to 6.3 billion years.  So 41 Arae may not be “old disk” at all.

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jude_rook: Image of Andromeda Galaxy (Default)
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