| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 25m 07.556s[1] |
| Declination | +01° 34′ 24.349″[1] |
| Apparent magnitude (V) | +16.26[2] |
| Characteristics | |
| Spectral type | M3[2] |
| Variable type | T Tau[2] |
| Astrometry | |
| Proper motion (μ) | RA: +1.73[1] mas/yr Dec.: +0.13[1] mas/yr |
| Parallax (π) | 2.861 ± 0.075[1] mas |
| Distance | 1140 ± 30 ly ly (349.5 ± 9.2[1] pc) |
| Details | |
| Mass | 0.39 ± 0.05[2] M☉ |
| Radius | 1.39[2] R☉ |
| Temperature | 3470[2] K |
| Age | 2.65[3] Myr |
| Other designations | |
2MASS J05250755+0134243, PTFO 8-8695 | |
| Database references | |
| SIMBAD | data |
CVSO 30 (PTFO 8-8695) is a suspected binary T Tauri star, located in constellation Orion at 1200 light years from Earth with one candidate planet called CVSO 30 c. The candidate planet is a gas giant. The star is named after the CIDA Variability Survey of Orion (CVSO)[4] and the Palomar Transient Factory (PTF) and is within the 25 Ori group.[5]
- ^ a b c d e f "CVSO 30". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 5 October 2018.
- ^ a b c d e f Van Eyken, Julian C.; et al. (2012). "The Ptf Orion Project: A Possible Planet Transiting a T-Tauri Star". The Astrophysical Journal. 755 (1): 42. arXiv:1206.1510. Bibcode:2012ApJ...755...42V. doi:10.1088/0004-637X/755/1/42. S2CID 2753064.
- ^ "Extrasolar Planets Encyclopaedia". Archived from the original on 19 February 2019. Retrieved 15 November 2016.
- ^ Briceño, Cesar; Calvet, Nuria; Hernández, J.; Vivas, A. K.; Hartmann, Lee; Downes, J. J.; Berlind, Perry (February 2005). "The CIDA Variability Survey of Orion OB1. I. The Low-Mass Population of Ori OB1a and 1b". The Astronomical Journal. 129 (2): 907–926. arXiv:astro-ph/0410521. Bibcode:2005AJ....129..907B. doi:10.1086/426911. ISSN 0004-6256.
- ^ Briceno, Cesar; Hartmann, Lee; Hernandez, Jesus; Calvet, Nuria; Vivas, A. Katherina; Furesz, Gabor; Szentgyorgyi, Andrew (June 2007). "25 Orionis: A Kinematically Distinct 10 Myr Old Group in Orion OB1a". The Astrophysical Journal. 661 (2): 1119–1128. arXiv:astro-ph/0701710. Bibcode:2007ApJ...661.1119B. doi:10.1086/513087. ISSN 0004-637X.