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V830 Tauri
Star in the constellation Taurus / From Wikipedia, the free encyclopedia
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V830 Tauri is a T Tauri star located 425.2 light-years (130.4 pc) away from the Sun in the constellation Taurus.[6] This star is very young, with an age of only 2 million years,[6][7] compared to the Sun's age, which is 4.6 billion years. Typical for a young stars, it exhibits strong flare activity, with three flares detected during a 91-day observation period in 2016.[8]
Quick Facts Observation data Epoch J2000.0 Equinox J2000.0, Constellation ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Taurus |
Right ascension | 04h 33m 10.03006s[2] |
Declination | +24° 33′ 43.2555″[2] |
Apparent magnitude (V) | 12.08 - 12.37[3] |
Characteristics | |
Evolutionary stage | T Tau[4] |
Spectral type | M0-1[5] |
Variable type | BY Dra[3] |
Astrometry | |
Radial velocity (Rv) | 5.98±11.60[2] km/s |
Proper motion (μ) | RA: 7.171±0.022 mas/yr[2] Dec.: −21.197±0.017 mas/yr[2] |
Parallax (π) | 7.6704 ± 0.0165 mas[2] |
Distance | 425.2 ± 0.9 ly (130.4 ± 0.3 pc) |
Details[4] | |
Mass | 1.00±0.05 M☉ |
Radius | 2.0±0.2 R☉ |
Luminosity | 1.2 L☉ |
Temperature | 4,250±50 K |
Rotation | 2.741 days |
Rotational velocity (v sin i) | 30.5±0.5 km/s |
Age | ~2 Myr |
Other designations | |
Database references | |
SIMBAD | data |
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