Taygeta
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Star Taygeta (19 Tauri) |
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| Above right in the Pleiades: Taygeta | |||||||||||||||||||||
| AladinLite | |||||||||||||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | bull | ||||||||||||||||||||
| Right ascension | 03 h 45 m 12.5 s | ||||||||||||||||||||
| declination | + 24 ° 28 ′ 2.2 ″ | ||||||||||||||||||||
| Apparent brightness | 4.30 mag | ||||||||||||||||||||
| Typing | |||||||||||||||||||||
| B − V color index | (−0.11) | ||||||||||||||||||||
| U − B color index | (−0.46) | ||||||||||||||||||||
| R − I index | (−0.10) | ||||||||||||||||||||
| Spectral class | B6 IV | ||||||||||||||||||||
| Variable star type | SPB | ||||||||||||||||||||
| Astrometry | |||||||||||||||||||||
| Radial velocity | (7.8 ± 0.6) km / s | ||||||||||||||||||||
| parallax | (8.97 ± 0.40) mas | ||||||||||||||||||||
| distance | (364 ± 16) ly (111 ± 5) pc |
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| Visual absolute brightness M vis | −1.62 mag | ||||||||||||||||||||
| Proper movement | |||||||||||||||||||||
| Rec. Share: | (21.24 ± 0.38) mas / a | ||||||||||||||||||||
| Dec. portion: | (−40.56 ± 0.35) mas / a | ||||||||||||||||||||
| Physical Properties | |||||||||||||||||||||
| Dimensions | (4.41 ± 0.09) M ☉ | ||||||||||||||||||||
| radius | (4.36 ± 0.14) R ☉ | ||||||||||||||||||||
| Effective temperature | (13696 ± 222) K. | ||||||||||||||||||||
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Other names and catalog entries |
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Taygeta (also Tayeta , one of the seven daughters of Atlas and Pleione , the Pleiades ) is the proper name of the star 19 Tauri in the Pleiades .
Taygeta, like all stars of the Pleiades, can occasionally be covered by the moon .
Taygeta has an apparent magnitude of +4.30 mag and belongs to the spectral class B6IV. Taygeta is a little over 360 light-years from Earth, whereby the distance, as with all Pleiades, is still afflicted with a relatively large error. The star is changeable and belongs to the star class of slowly pulsating B stars .
Web links
- Taygeta in Jim Kaler's star catalog
Individual evidence
- ↑ a b c d Gaia data release 2 ( Gaia DR2 ), April 2018
- ^ Hipparcos catalog (ESA 1997)
- ↑ a b c d e q Tau. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed July 22, 2018 .
- ↑ a b NSV 1264. In: VSX. AAVSO, accessed July 22, 2018 .
- ^ Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ a b c TR White, BJS Pope, V. Antoci, PI Pápics, C. Aerts, DR Gies, K. Gordon, D. Huber, GH Schaefer, S. Aigrain, S. Albrecht, T. Barclay, G. Barentsen , PG Beck, TR Bedding, M. Fredslund Andersen, F. Grundahl, SB Howell, MJ Ireland, SJ Murphy, MB Nielsen, V. Silva Aguirre, PG Tuthill: Beyond the Kepler / K2 bright limit: Variability in the seven brightest members of the Pleiades . In: Monthly Notices of the Royal Astronomical Society . 471, No. 3, 2017, pp. 2882–2901. arxiv : 1708.07462 . bibcode : 2017MNRAS.471.2882W . doi : 10.1093 / mnras / stx1050 .