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Analyze real-time astronomical and meteorological data for Sirius.
Sirius
A1VAlpha Canis Majoris · Canis Major
Sirius is the brightest star in the night sky, with an apparent magnitude of −1.46. It is a binary star system consisting of a main-sequence star of spectral type A1V and a faint white dwarf companion. It is nicknamed the 'Dog Star' due to its prominence in the constellation Canis Major.
Common NameSirius
Bayer DesignationAlpha Canis Majoris
HIP Catalog IDHIP 32349
ConstellationCanis Major
Right Ascension6h 45m 9.0s
Declination-16° 42' 58"
Distance8.60 ly
Apparent Magnitude-1.46
Absolute Magnitude+1.42
Surface Temperature9,940 K
Mass2.06 M☉
Radius1.71 R☉
Luminosity25.40 L☉
Color Index (B-V)0.01
Spectral ClassA1V
Variable StarNo