Nearby star · Canis Major
Sirius B
NameSirius B
DesignationsGliese 244B
ConstellationCanis Major
Distance8.6 ly
Magnitude+8.44
Spectral typeDA2
Distance rank: by HYG distance it belongs to the Nº 7 nearest star system to the Sun (stars within 20 ly).
White dwarf (spectral class D): the exposed core of a star that has already died.
Why it matters
From India (8°–34° N): rises above the horizon everywhere in the country.
Light-time: the light you see left it about 8.6 years ago.
Sources
- HYG Database v4.1 (D. Nash, astronexus), CC BY-SA 4.0: stars within 20 ly, derived list
- HYG Database v4.1 (Nash), CC BY-SA 4.0
- IAU, The Constellations (88 official names and abbreviations)
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