V830 Tauri
V830 Tauri is a T Tauri star located 425.2 light-years (130.4 pc) away from the Sun in the constellation Taurus. This star is very young, with an age of only 2 million years, 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.
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Taurus |
Right ascension | 04h 33m 10.03006s |
Declination | +24° 33′ 43.2555″ |
Apparent magnitude (V) | 12.08 - 12.37 |
Characteristics | |
Evolutionary stage | T Tau |
Spectral type | M0-1 |
Variable type | BY Dra |
Astrometry | |
Radial velocity (Rv) | 5.98±11.60 km/s |
Proper motion (μ) | RA: 7.171±0.022 mas/yr Dec.: −21.197±0.017 mas/yr |
Parallax (π) | 7.6704 ± 0.0165 mas |
Distance | 425.2 ± 0.9 ly (130.4 ± 0.3 pc) |
Details | |
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 |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.