Delta Delphini
 Location of Delta Delphini(δ) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Delphinus |
| Right ascension | 20h 43m 27.534s[1] |
| Declination | +15° 04′ 28.49″[1] |
| Apparent magnitude (V) | 4.38 - 4.49[2] |
| Characteristics | |
| Spectral type | kA7hF0mF0(IV-V)[3] |
| Variable type | δ Sct[2] |
| Astrometry | |
| Radial velocity (Rv) | +9.3[4] km/s |
| Proper motion (μ) | RA: -19.61[1] mas/yr Dec.: -41.74[1] mas/yr |
| Parallax (π) | 16.03 ± 0.68 mas[1] |
| Distance | 203 ± 9 ly (62 ± 3 pc) |
| Database references | |
| SIMBAD | data |
Delta Delphini (δ Del) is a giant star in the constellation Delphinus.
References
- ^ a b c d e Perryman, M. A. C.; et al. (April 1997). "The HIPPARCOS Catalogue". Astronomy & Astrophysics. 323: L49–L52. Bibcode:1997A&A...323L..49P.
- ^ a b 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.
- ^ Gray, R. O.; Garrison, R. F. (1989). "The early F-type stars - Refined classification, confrontation with Stromgren photometry, and the effects of rotation". Astrophysical Journal Supplement Series (ISSN 0067-0049). 69: 301. Bibcode:1989ApJS...69..301G. doi:10.1086/191315.
- ^ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Inst. Washington D.C. Publ. 601,1953 (XXBH) (1953). Bibcode:1953GCRV..C......0W. Retrieved 2009-10-24.
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External links
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