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Proper NameNone
Bayer Designationd Eridani
Flamsteed NumberNone
HR (BSC)1363
HD27563
ConstellationEridanus
Right Ascension4h 20m 43s
Declination-7° 35' 33"
Distance938 light years
288 parsecs
MagnitudeApparent: +5.8
Absolute: -1.1
Spectral ClassB5III Blue Giant
Optimum VisibilityDecember
NotesA giant blue star emitting hundreds of times the energy of the Sun, d Eridani shows complex overlapping patterns of variability. Its apparent magnitude oscillates close to +5.8, but over periods of several days or weeks its brightness can peak unpredictably.

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