Epoch J2000.0 Equinox J2000.0
|Right ascension||00h 05m 09.90s|
|Declination||+45° 13′ 45.0″|
|Apparent magnitude (V)||6.71|
HD 3 is a triple star located 139 parsecs (450 ly) away in the constellation Andromeda. The primary component, with a spectral type of A1Vn and an apparent magnitude of 6.71, is just at the limit of naked-eye visibility under the best conditions on Earth. The secondary and tertiary components have apparent magnitudes of 10.53 and 13.5 respectively.
- HD 3 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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