Sigma Tauri
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 04h 39m 09.2s |
| Declination | +15° 47' 59" |
| Apparent magnitude (V) | 5.08 + 4.67 |
| Distance | 155 ± 5 ly (48 ± 1 pc) |
| Spectral type | A4m+A5Vn |
| Other designations | |
Sigma Tauri (σ Tau / σ Tauri) is a star system in the constellation Taurus and a member of the Hyades star cluster. It is approximately 155 light years from Earth.
The system is a visual double star, whose components are designated σ¹ Tauri and σ² Tauri.. They are separated by 7.3 arcminutes on the sky. Both stars are white A-type main sequence dwarfs and have apparent magnitudes of +5.08 and +4.67, respectively.
In Chinese astronomy, σ² Tauri is called 附耳, Pinyin: Fùěr, meaning Whisper, because this star is marking itself and stand alone in Whisper asterism, Net mansion (see : Chinese constellation).[1]
References
- This article made use of the SIMBAD database, operated at CDS, Strasbourg, France
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