User:Mira Oubliette/Theta1 Orionis B
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 35m 16.112s |
| Declination | −05° 23′ 06.89″ |
| Apparent magnitude (V) | 7.90 - 8.65 |
| Distance | 1350 - 1500 ly (413.903 - 459.892 pc) |
| Spectral type | B1V |
| Other designations | |
BM Ori | |
| Database references | |
| SIMBAD | ori b data |
Theta1 Orionis B (θ1 Ori B, also known as BM Orionis)[1] is a star in the Trapezium Cluster in the constellation Orion. It is an eclipsing variable star, either a binary of the Agol type, or a quaternary system. Its apparent magnitude has a range from 7.90 to 8.65 with a period of 6.471 days.
Gallery
[edit]-
Trapezium star identification
External Links
[edit]References
[edit]- ^ "The Trapezium". The Worlds of David Darling. Retrieved 5 August 2014.
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Category:Orion (constellation) Category:B-type main-sequence stars Orionis, Theta1 B
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