X Crucis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 46m 22.2678s |
| Declination | −59° 07′ 29.120″ |
| Apparent magnitude (V) | 8.70 [1] |
| Characteristics | |
| Spectral type | G1Ib [2] |
| B−V color index | +0.87 [3] |
| Variable type | δ Cep |
| Astrometry | |
| Radial velocity (Rv) | -25.0 km/s |
| Proper motion (μ) | RA: -8.2 mas/yr Dec.: -0.9 mas/yr |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
X Crucis is a Classical Cepheid variable star in the southern constellation of Crux.
References
- ↑ Rousseau, J. M.; Perie, J. P.; Gachard, M. T. (1996). "Stars of the southern hemisphere proposed for the HIPPARCOS mission". Astronomy and Astrophysics Supplement. 116: 301. Bibcode:1996A&AS..116..301R.
- ↑ Houk, Nancy (1979). "Michigan catalogue of two-dimensional spectral types for the HD stars". Ann Arbor : Dept. of Astronomy. Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan. 1. Bibcode:1978mcts.book.....H.
- ↑ Dean, J.F. (1977). "B, V, I, photometry of Southern Cepheids". University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_ƒ0. Bibcode:1975MSS...C01....0H.
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