Delta Persei
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Perseus |
| Right ascension | 3h 42m 55.5s |
| Declination | 47° 47' 15" |
| Apparent magnitude (V) | 3.01 |
| Distance | 527 ly (161.66 pc) |
| Spectral type | B5III |
| Other designations | |
Delta Persei (δ Per / δ Persei) is a Class B5III, third-magnitude star in the constellation Perseus. It is, on rare occasions, called by the proper name Basel, meaning "the Brave One", in Arabic. Another Arabic name is Adid Borealis, meaning "Northern One of the Upper Arm [of the Pleiades]".
Delta Persei is actually a blue giant star that is the second brightest star of the open star cluster known as the Alpha Persei Cluster, second only to Mirfak. The Delta Persei stellar system is located about 530 light-years from Earth.
[edit] References
- HD 22928 -- Variable Star. SIMBAD Astronomical Database. Retrieved on 2006-12-10.
