Nu Tucanae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Tucana |
| Right ascension | 22h 33m 00.1s |
| Declination | −61° 58' 56" |
| Apparent magnitude (V) | +4.91 |
| Distance | 273 ± 14 ly (84 ± 4 pc) |
| Spectral type | M4III |
| Other designations | |
Nu Tucanae (ν Tuc, ν Tucanae) is a star in the constellation Tucana.
Nu Tucanae is a M-type red giant with a mean apparent magnitude of +4.91. It is approximately 290 light years from Earth.[1] It is classified as a slow irregular variable and its brightness varies from magnitude +4.75 to +4.93.[2] Periods of 22.3, 24.4, 24.8, 25.1, 25.5, 33.8, 50.6, 80.1, 123.2, and 261.8 days have been reported.[3]
References
- ↑ "Nu Tucanae - Pulsating Variable Star". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 20 October 2013.
- ↑ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
- ↑ Tabur, V.; Bedding, T. R.; Kiss, L. L.; Moon, T. T.; Szeidl, B.; Kjeldsen, H. (2009). "Long-term photometry and periods for 261 nearby pulsating M giants". Monthly Notices of the Royal Astronomical Society. 400 (4): 1945. arXiv:0908.3228
. Bibcode:2009MNRAS.400.1945T. doi:10.1111/j.1365-2966.2009.15588.x.
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