Sigma Persei
From Infogalactic: the planetary knowledge core
 Location of σ Persei (circled) |
|
| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Perseus |
| Right ascension | 03h 30m 34.48s |
| Declination | +47° 59' 42.6" |
| Apparent magnitude (V) | +4.36 |
| Distance | 353 ly (108 pc) |
| Spectral type | K3III |
| Other designations | |
Sigma Persei (Sigma Per, σ Persei, σ Per) is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 353 light years from Earth.
Sigma Persei is moving through the Galaxy at a speed of 17.4 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,400 and 43,600 light years from the center of the Galaxy. It came closest to the Sun 5.1 million years ago when it had brightened to magnitude 3.11 from a distance of 202 light years.[1]
Name and etymology
This star, together with δ Per, ψ Per, α Per, γ Per and η Per, has been called the Segment of Perseus.[2]
References
- ↑ Sigma Persei (HIP 16335)
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
