Taygeta
 Taygeta is the bright star at the top right of the map. | |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 45m 12.49578s[1] |
| Declination | 24° 28′ 02.2097″[1] |
| Apparent magnitude (V) | 4.30[2] |
| Characteristics | |
| U−B color index | -0.48[3] |
| B−V color index | -0.12[3] |
| Astrometry | |
| Radial velocity (Rv) | 10.1[2] km/s |
| Proper motion (μ) | RA: 21.24 ± 0.38[1] mas/yr Dec.: -40.56 ± 0.35[1] mas/yr |
| Parallax (π) | 7.97 ± 0.33 mas[1] |
| Distance | 440 ly (135 pc) |
| Details | |
| Taygeta A | |
| Mass | 4.5[4] M☉ |
| Luminosity | 600[4] L☉ |
| Taygeta B | |
| Mass | 3.2[5] M☉ |
| Luminosity | 150[5] L☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
Taygeta (19 Tauri) is a triple star system in the constellation Taurus and a member of the Pleiades star cluster. It is approximately 440 light years from Earth.
The primary component, Taygeta A, is a blue-white B-type subgiant with an apparent magnitude of +4.30. It is a spectroscopic binary, whose component stars have magnitudes of +4.6 and +6.1. They are separated by 0.012 arcseconds and complete one orbit every 1313 days. They have an 8th magnitude companion, Taygeta B, 69 arcseconds away.
See also
- Lists of stars in the constellation Taurus
- Class B Stars
References
- ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ a b "SIMBAD query result: TAYGETA". Centre de Données astronomiques de Strasbourg. Retrieved 2014-08-18.
- ^ a b Penston M.J. (1973). "Photoelectric UBV observations made on the Palomar 20-inch telescope" (PDF). Mon. Not. R. Astron. Soc. Bibcode:1973MNRAS.164..133P. doi:10.1093/mnras/164.2.133.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ a b Professor James B. (Jim) Kaler. "TAYGETA (19 Tauri)". University of Illinois. Retrieved 2014-08-18.
- ^ a b Cite error: The named reference
kaderwas invoked but never defined (see the help page).
External links
Wikimedia Commons has media related to Taygeta (star).
- Jim Kaler's Stars, University of Illinois:TAYGETA (19 Tauri)
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