V Hydrae: Difference between revisions
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[[Category:C-type stars]] |
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[[Category:Objects named with variable star designations|Hydrae, V]] |
[[Category:Objects named with variable star designations|Hydrae, V]] |
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[[Category:Asymptotic-giant-branch stars]] |
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Revision as of 14:53, 20 May 2016
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Hydra |
| Right ascension | 10h 51m 37.3s |
| Declination | -21° 15' 0" |
| Apparent magnitude (V) | 7.0/11.5 |
| Spectral type | C9I |
| Other designations | |
GSC 6082:1140, BU 1428, HIP 53085 | |
V Hydrae (V Hya) is a variable star in the constellation Hydra. It is considered by astronomers to be a carbon star. With a B-V colour index of +5.5 it is one of the reddest stars visible.[1] It has a period of approximately 18 years and a sub-period of approximately 530 days.
References
- ^ "Redder than Red: V Hydrae". Astro Guyz.
- "V* V Hya - Semi-regular pulsating Star". SIMBAD Astronomical Database.