47 Capricorni
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Capricornus |
| Right ascension | 21h 46m 16.26843s[1] |
| Declination | −09° 16′ 33.3676″[1] |
| Apparent magnitude (V) | 6.00[1] |
| Characteristics | |
| Spectral type | M3III[1] |
| Variable type | SRb[2] |
| Astrometry | |
| Radial velocity (Rv) | 19.80 ± 0.89[1] km/s |
| Proper motion (μ) | RA: 16.63 mas/yr Dec.: 7.67 mas/yr |
| Parallax (π) | 2.75 ± 0.37 mas |
| Distance | approx. 1,200 ly (approx. 360 pc) |
| Other designations | |
47 Capricorni (47 Cap), also known by its variable star designation of AG Capricorni (AG Cap) or its Bayer designation of c2 Capricorni (c2 Cap),[3] is an M-type giant pulsating star in the constellation Capricornus. It is approximately 1200 light years from Earth, and has an apparent magnitude of 6.00.
References
- 1 2 3 4 5 "* 47 Cap". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2014-05-11.
- ↑ 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.
- ↑ HD 207005, HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index, N. D. Kostjuk, Institute of Astronomy of Russian Academy of Sciences, 2002; CDS ID IV/27A.
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