Theta Geminorum
From Wikipedia, the free encyclopedia
| Observation data Equinox J2000.0 |
|
|---|---|
| Constellation | Gemini |
| Right ascension | 6h 52m 47.3s |
| Declination | 33° 57' 40" |
| Apparent magnitude (V) | 3.60 |
| Distance | 206 ly (63.19 pc) |
| Spectral type | A3III |
| Other designations | |
Theta Geminorum (θ Gem / θ Geminorum) is a Class A3, fourth-magnitude star in the constellation Gemini. A seldom used proper name for this star is Nageba, derived from the Arabic title التوامان النجيبة Al-Tawa'man Al-Najibah meaning "The Highborn Twins", referring to the belief that the twins were the divinely ordained sons of a king.
Theta Geminorum is a binary star with components of magnitudes 3.60 and 5.18, separated by 2.9 arcseconds. This stellar system is located about 200 light-years from Earth.
[edit] References
- HD 50019 -- Star in Double System. SIMBAD Astronomical Database. Retrieved on 2006-12-09.
