Delta Delphini

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δ Delphini
Delphinus constellation map.png

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]
Spectral type kA7hF0mF0(IV-V)[3]
Variable type δ Sct[2]
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[1] mas
Distance 203 ± 9 ly
(62 ± 3 pc)
Database references

Delta Delphini (δ Del) is a giant star in the constellation Delphinus.


  1. ^ 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. 
  2. ^ 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. 
  3. ^ 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. 
  4. ^ 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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