S Persei
| Use attributes for filter ! | |
| Magnitude | 9. 23 |
|---|---|
| Constellation | Perseus |
| Apparent magnitude (V) | 9. 23 |
| B−V color index | 2. 65 |
| Parallax (π) | 0. 413 ± 0. 017 mas |
| Surface gravity (log g) | cgs |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2957716 |
About S Persei
S Persei is a red supergiant located near the Double Cluster in Perseus, north of the cluster NGC 869. It is a member of the Perseus OB1 association and one of the largest known stars. It is also a semiregular variable, a star whose variations are less regular than those of Mira variables.
