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V831 Centauri

HR 4975, BSC 4975

Proper NameNone
Bayer DesignationNone
Flamsteed NumberNone
HR (BSC)4975
Variable DesignationV831 Centauri
Right Ascension13h 12m 18s
Declination-59° 55' 14"
Distance379 light years
116 parsecs
MagnitudeApparent: +4.59
Absolute: -0.73
Spectral ClassB8V blue main sequence star
Optimum VisibilityApril / May (Usually visible from southern latitudes)

A dim and distant blue star lying close to Centaurus' border with Crux.

The star to the immediate northeast of V831 Centauri is HR 4980, a sixth-magnitude yellow dwarf. Though fainter, this dwarf is in fact a foreground star, less than half the distance of V831 Centauri from the Sun, but much less luminous than the blue variable beyond. Imagery provided by Aladin sky atlas


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