Omicron Capricorni

ο Capricorni A/B
Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Capricornus
Right ascension	20^h29^m52.5^s
Declination	−18°35′12″
Apparent magnitude (V)	+6.1/+6.74
Distance	137 ± 45 ly (42 ± 14 pc)
Spectral type	A3Vn/A7V
Other designations
12 Capricorni, HR 7830/7829, HD 195094/195093, BD−19°5829/BD−19°5830, HIP 101123/101120, SAO 163626/163625, GC 28503/28502, ADS 13902, CCDM J20299-1835

Omicron Capricorni (ο Cap, ο Capricorni) is a binary star in the constellation Capricornus.^[1] It is approximately 137 light years from Earth.

Both components are white A-type main sequence dwarfs The primary, ο Capricorni A, sometimes called ο¹ Capricorni, has an apparent magnitude of +5.94, while the companion, ο Capricorni B or ο² Capricorni, has an apparent magnitude of +6.74. The two stars are currently separated by 21.9 arcseconds.

References

↑ Harvard College Observatory (1941). Sky and Telescope. Stanford University.

Capricornus constellation

Stars (list)

Bayer	α¹ (Prima Giedi) α² (Secunda Giedi) β¹ β² γ (Nashira) δ (Deneb Algedi) ε ζ η θ ι κ λ μ ν (Alshat) ξ¹ ξ² ο¹ ο² π ρ σ τ¹ τ² υ φ χ ψ ω

Flamsteed	3 4 17 19 20 21 24 26 27 29 30 31 33 35 36 37 38 41 42 44 45 46 47 50

Variable	R RS RV TW YZ AD AS AT AV AZ BE BW

HR	7722 7788 7819 7825 7837 7842 7845 7855 7865 7877 7898 7905 7910 7931 7961 7964 7989 8013 8018 8045 8083 8122 8172 8184 8235 8247 8273 8293 8337 8340 8346

HD	197027 202206 203607 204313 204941

Other	LP 816-60 PSR B2045-16 Wolf 922

Star clusters

Globular	Messier 30 Palomar 12

Galaxies

NGC	6897 6898 6903 6907 6908 6912 6924 6931 6936 6986 6993 7016 7017 7018 7019 7030 7035 7035A 7073 7103 7104 7105 7131

Other	PHL 1811 PKS 2126-158 PKS 2128-12 PKS 2135-147 PKS 2155-152

Galaxy
clusters

HCG 87
MS 2137.3-2353

Other

GRB 060607
PSO J318.5-22

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