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2M1207
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Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 2M1207, 2M1207A or 2MASS J12073346-3932539 is a brown dwarf located in the constellation Centaurus; a companion object, 2M1207b, may be the first extrasolar planetary mass companion to be directly imaged, and is the first discovered orbiting a brown dwarf. 2M1207 was discovered during the course of the 2MASS infrared sky survey: hence the "2M" in its name, followed by its celestial coordinates. With a fairly early spectral type of M8, it is very young, and probably a member of the TW Hydrae association. Its estimated mass is around 25 Jupiter masses. The companion, 2M1207b, is estimated to have a mass of 3 10 Jupiter masses. Still glowing red hot, it will shrink to a size slightly smaller than Jupiter as it cools over the next few billion years.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786138120810
- Auflage Aufl.
- Editor Timoteus Elmo
- Sprache Englisch
- Genre Physik & Astronomie
- Größe H229mm x B152mm x T6mm
- Jahr 2011
- EAN 9786138120810
- Format Kartonierter Einband (Kt)
- ISBN 978-613-8-12081-0
- Titel 2M1207
- Untertitel Constellation, Centaurus, Brown dwarf, Planet, Stellar classification, Moving cluster method, Protoplanetary disk
- Gewicht 159g
- Herausgeber LOC PUB
- Anzahl Seiten 100
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