| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| GV Tauri A | |
| Right ascension | 04h 29m 23.71056s[2] |
| Declination | +24° 32′ 58.6176″[2] |
| GV Tauri B | |
| Right ascension | 04h 29m 23.6868s[3] |
| Declination | +24° 33′ 01.1160″[3] |
| Characteristics | |
| GV Tauri A | |
| Evolutionary stage | pre-main-sequence star |
| Spectral type | K3[4] |
| Apparent magnitude (K) | 10.872[2] |
| Apparent magnitude (g) | 16.282[5] |
| Variable type | T Tau |
| GV Tauri B | |
| Spectral type | late G to early K[4] |
| Apparent magnitude (K) | 10.171[3] |
| Astrometry | |
| GV Tauri A | |
| Proper motion (μ) | RA: 8.0±0.4 mas/yr[5] Dec.: −26.7±0.3 mas/yr[5] |
| Parallax (π) | 7.01 ± 0.34 mas[5] |
| Distance | 470 ± 20 ly (143 ± 7 pc) |
| GV Tauri B | |
| Position (relative to GV Tauri A) | |
| Component | GV Tauri B |
| Angular distance | 1.2″ [6] |
| Projected separation | 170 AU |
| Details[4] | |
| GV Tauri A | |
| Mass | 1.8 M☉ |
| Luminosity | 2.3 L☉ |
| Surface gravity (log g) | 4.0 cgs |
| Temperature | 4800±200 K |
| Age | 0.5[6] Myr |
| GV Tauri B | |
| Luminosity | 114 L☉ |
| Age | 0.5[6] Myr |
| Other designations | |
2MASS J04292373+2433002, Haro 6-10, TIC 268217520, Elia 3-7, LEI 4, HBC 389 | |
| GV Tauri A: Gaia EDR3 149367383323435648, GV Tau S, EPIC 247820507, Haro 6-10 VLA 1, LEI 4A | |
| GV Tauri B: GV Tau N, Haro 6-10 VLA 2, LEI 4B | |
| Database references | |
| SIMBAD | data |
GK Tauri is a young binary system composed of T Tauri-type pre-main sequence stars in the constellation of Taurus about 466 light years away, belonging to the Taurus Molecular Cloud.
- ^ Cite error: The named reference
MASTwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
SIMBADAwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
SIMBADBwas invoked but never defined (see the help page). - ^ a b c Prato, L.; Lockhart, K. E.; Johns-Krull, Christopher M.; Rayner, John T. (2009). "Stellar and Circumstellar Properties of Class I Protostars". The Astronomical Journal. 137 (4): 3931–3941. arXiv:0902.1289. Bibcode:2009AJ....137.3931P. doi:10.1088/0004-6256/137/4/3931. S2CID 12428060.
- ^ a b c Cite error: The named reference
EDR3Awas invoked but never defined (see the help page). - ^ a b c Sheehan, Patrick D.; Eisner, Josh A. (2014). "CONSTRAINING THE DISK MASSES OF THE CLASS I BINARY PROTOSTAR GV Tau". The Astrophysical Journal. 791 (1): 19. arXiv:1405.7959. Bibcode:2014ApJ...791...19S. doi:10.1088/0004-637X/791/1/19. S2CID 118437418.