V471 Tauri
V471 Tauri (short V471 Tau) is a variable star system in constellation Taurus. The star has a visual magnitude 9 which makes it impossible to detect it with the naked eye. Its around 155 light-years away from the Solar System.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 50m 24.9667s[1] |
| Declination | 17° 14′ 47.431″[1] |
| Apparent magnitude (V) | 9.37 |
| Characteristics | |
| Evolutionary stage | K2V + D2 |
| Variable type | Algol/Beta Persei |
| Astrometry | |
| Radial velocity (Rv) | 37.4±0.5 km/s |
| Proper motion (μ) | RA: 127.728[1] mas/yr Dec.: −22.321[1] mas/yr |
| Parallax (π) | 21.0129 ± 0.0158 mas[1] |
| Distance | 155.2 ± 0.1 ly (47.59 ± 0.04 pc) |
| Database references | |
| SIMBAD | data |
Physical properties
The system, has at least 3 members: a white star, spectral type D2, an K-type main sequence star (K2 V) with orange colour and a brown dwarf. The system is located in the Hyades.
References
- Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. Gaia EDR3 record for this source at VizieR.
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