| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 21m 21.12807s [1] |
| Declination | −62° 16′ 53.8790″ [1] |
| Apparent magnitude (V) | 6.32 - 6.83 [2] |
| Characteristics | |
| Evolutionary stage | F6-G2Ib [3] |
| Variable type | δ Cep [2] |
| Astrometry | |
| Proper motion (μ) |
RA: −10.915
[1]
mas/
yr Dec.: −0.471 [1] mas/ yr |
| Parallax (π) | 1.2106 ± 0.0142 mas [1] |
| Distance | 2,690 ± 30
ly (826 ± 10 pc) |
| Absolute magnitude (MV) | −3.49 [4] |
| Details | |
| Mass | 7.2 [1] M☉ |
| Radius | 55 [1] R☉ |
| Luminosity | 2,601 [1] L☉ |
| Surface gravity (log g) | 1.52 [1] cgs |
| Temperature | 4,676 [1] K |
| Metallicity [Fe/H] | 0.09 [4] dex |
| Age | 57 [4] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
T Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 6.32 to 6.83 over 6.73331 days. [3] It is a yellow-white supergiant that pulsates between spectral types F6Ib and G2Ib. [3] The radius is 55 times that of the Sun.
- ^ a b c d e f g h i j 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.
- ^ a b Samus', N. N; Kazarovets, E. V; Durlevich, O. V; Kireeva, N. N; Pastukhova, E. N (2017). "General catalogue of variable stars". Astronomy Reports. GCVS 5.1. 61 (1): 80. Bibcode: 2017ARep...61...80S. doi: 10.1134/S1063772917010085. S2CID 125853869.
- ^ a b c Watson, Christopher (4 January 2010). "T Crucis". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 March 2014.
- ^ a b c Acharova, I. A.; et al. (2012). "Galactic restrictions on iron production by various types of supernovae". Monthly Notices of the Royal Astronomical Society. 420 (2): 1590. arXiv: 1111.2152. Bibcode: 2012MNRAS.420.1590A. doi: 10.1111/j.1365-2966.2011.20161.x. S2CID 118404944.
- ^ "V* T Cru". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2023-01-11.
 | This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 21m 21.12807s [1] |
| Declination | −62° 16′ 53.8790″ [1] |
| Apparent magnitude (V) | 6.32 - 6.83 [2] |
| Characteristics | |
| Evolutionary stage | F6-G2Ib [3] |
| Variable type | δ Cep [2] |
| Astrometry | |
| Proper motion (μ) |
RA: −10.915
[1]
mas/
yr Dec.: −0.471 [1] mas/ yr |
| Parallax (π) | 1.2106 ± 0.0142 mas [1] |
| Distance | 2,690 ± 30
ly (826 ± 10 pc) |
| Absolute magnitude (MV) | −3.49 [4] |
| Details | |
| Mass | 7.2 [1] M☉ |
| Radius | 55 [1] R☉ |
| Luminosity | 2,601 [1] L☉ |
| Surface gravity (log g) | 1.52 [1] cgs |
| Temperature | 4,676 [1] K |
| Metallicity [Fe/H] | 0.09 [4] dex |
| Age | 57 [4] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
T Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 6.32 to 6.83 over 6.73331 days. [3] It is a yellow-white supergiant that pulsates between spectral types F6Ib and G2Ib. [3] The radius is 55 times that of the Sun.
- ^ a b c d e f g h i j 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.
- ^ a b Samus', N. N; Kazarovets, E. V; Durlevich, O. V; Kireeva, N. N; Pastukhova, E. N (2017). "General catalogue of variable stars". Astronomy Reports. GCVS 5.1. 61 (1): 80. Bibcode: 2017ARep...61...80S. doi: 10.1134/S1063772917010085. S2CID 125853869.
- ^ a b c Watson, Christopher (4 January 2010). "T Crucis". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 March 2014.
- ^ a b c Acharova, I. A.; et al. (2012). "Galactic restrictions on iron production by various types of supernovae". Monthly Notices of the Royal Astronomical Society. 420 (2): 1590. arXiv: 1111.2152. Bibcode: 2012MNRAS.420.1590A. doi: 10.1111/j.1365-2966.2011.20161.x. S2CID 118404944.
- ^ "V* T Cru". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2023-01-11.
|
| This supergiant-related article is a stub. You can help Wikipedia by expanding it. |
|
| This variable star–related article is a stub. You can help Wikipedia by expanding it. |