User:Mira Oubliette/Theta1 Orionis B: Difference between revisions
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Revision as of 01:20, 5 August 2014
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 35m 16.112s [1] |
| Declination | −05° 23′ 06.89″ [1] |
| Spectral type | B2-B3 [2] |
Theta1 Orionis B (θ1 Ori B) is a star in the constellation Orion. It is an eclipsing variable star,[3] either a binary of the Agol type,[1] or a quaternary system. Its apparent magnitude has a range from 7.90 to 8.65 with a period of 6.471 days.[2]
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Trapezium star identification
References
- ^ a b c "Theta1 Orionis B". Retrieved 31 July 2014.
- ^ a b "Theta-1 Ori - Jim Kaler". Retrieved 29 July 2014.
- ^ Cite error: The named reference
Kaler"was invoked but never defined (see the help page).
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Category:Orion (constellation) Category:B-type main-sequence stars Orionis, Theta1 B
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