TT Corvi
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| Observation data Epoch J2000.0 Equinox ICRS | |
|---|---|
| Constellation | Corvus[1] |
| Right ascension | 12h 23m 18.867s[2] |
| Declination | −11° 48′ 43.63″[2] |
| Apparent magnitude (V) | 6.47 to 6.57[3] |
| Characteristics | |
| Evolutionary stage | AGB[4] |
| Spectral type | M3III[3] |
| Variable type | semiregular[3] |
| Astrometry | |
| Radial velocity (Rv) | −0.17±0.15[2] km/s |
| Proper motion (μ) | RA: −51.390[2] mas/yr Dec.: −10.877[2] mas/yr |
| Parallax (π) | 3.2721±0.0484 mas[2] |
| Distance | 1,000 ± 10 ly (306 ± 5 pc) |
| Absolute magnitude (MV) | −0.75[1] |
| Details | |
| Mass | 1.7[2] M☉ |
| Radius | 80[5] R☉ |
| Luminosity | 859[2] L☉ |
| Surface gravity (log g) | 1.39[6] cgs |
| Temperature | 3,606[5] K |
| Age | 287[6] Myr |
| Other designations | |
| TT Crv, HD 107814, HIP 60421[4] | |
| Database references | |
| SIMBAD | data |
TT Corvi (TT Crv) is a semiregular variable star in the constellation Corvus. It is a red giant of spectral type M3III and average apparent magnitude 6.48 around 923 light years distant.[8] It shines with a luminosity approximately 993 times that of the Sun and has a surface temperature of 3,630 K.[9]
References
[edit]- 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. XHIP record for this object at VizieR.
- 1 2 3 4 5 6 7 8 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- 1 2 3 Samus', N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (2017). "General catalogue of variable stars: Version GCVS 5.1". Astronomy Reports. 61 (1): 80. Bibcode:2017ARep...61...80S. doi:10.1134/S1063772917010085.
- 1 2 "TT Corvi". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2026-06-14.
- 1 2 Stassun, Keivan G.; et al. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv:1905.10694. Bibcode:2019AJ....158..138S. doi:10.3847/1538-3881/ab3467.
- 1 2 Kordopatis, G.; Schultheis, M.; McMillan, P. J.; Palicio, P. A.; De Laverny, P.; Recio-Blanco, A.; Creevey, O.; Álvarez, M. A.; Andrae, R.; Poggio, E.; Spitoni, E.; Contursi, G.; Zhao, H.; Oreshina-Slezak, I.; Ordenovic, C.; Bijaoui, A. (2023). "Stellar ages, masses, extinctions, and orbital parameters based on spectroscopic parameters of Gaia DR3". Astronomy and Astrophysics. 669: A104. arXiv:2206.07937. Bibcode:2023A&A...669A.104K. doi:10.1051/0004-6361/202244283.
- ↑ "ASAS All Star Catalogue". The All Sky Automated Survey. Retrieved 8 December 2021.
- ↑ Tabur, V.; Bedding, T. R. (2009). "Long-term photometry and periods for 261 nearby pulsating M giants". Monthly Notices of the Royal Astronomical Society. 400 (4): 1945–61. arXiv:0908.3228. Bibcode:2009MNRAS.400.1945T. doi:10.1111/j.1365-2966.2009.15588.x. S2CID 15358380.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. S2CID 118665352.
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