Mu Geminorum
From Wikipedia, the free encyclopedia
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| Observation data Equinox J2000.0 (ICRS) |
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|---|---|
| Constellation | Gemini |
| Right ascension | 06h 22m 57.627s |
| Declination | +22° 30′ 48.91″ |
| Apparent magnitude (V) | +2.75 to +3.02 |
| Characteristics | |
| Spectral type | M3IIIab |
| U-B color index | 1.85 |
| B-V color index | 1.64 |
| Variable type | LB |
| Astrometry | |
| Parallax (π) | 14.07 ± 0.93 mas |
| Distance | 230 ± 20 ly (71 ± 5 pc) |
| Other designations | |
| Data sources: | |
| Hipparcos Catalogue, Bright Star Catalogue (5th rev. ed.), GCVS (4.2) |
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Mu Geminorum (μ Gem / μ Geminorum) is a star in the constellation Gemini. It also has the traditional names Tejat Posterior, which means back foot, Tejat, Calx, and Pish Pai (from the Persian Pīshpāy, پیشپای, meaning foreleg.)
Mu Geminorum is an irregular variable[1] of type LB, whose brightness varies between magnitude +2.75 and +3.02. A red giant of the spectral class M3, its approximate distance from the sun is 230 light years.
[edit] References
- ^ Mu Geminorum at Jim Kaler's STARS.
