Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ursa Minor |
Right ascension | 15h 29m 34.5775s [2] |
Declination | +78° 38′ 00.2742″ [2] |
Apparent magnitude (V) | 7.5-<13.2 [3] |
Characteristics | |
Spectral type | M6e-M9e [3] |
Variable type | long period variable [3] |
Astrometry | |
Proper motion (μ) |
RA: −30.986±0.303
[2]
mas/
yr Dec.: 7.006±0.309 [2] mas/ yr |
Parallax (π) | 2.5455 ± 0.1578 mas [2] |
Distance | 1,280 ± 80
ly (390 ± 20 pc) |
Other designations | |
Database references | |
SIMBAD | data |
S Ursae Minoris (S UMi) is a long period variable star in the constellation Ursa Minor, ranging from magnitude 7.5 to fainter than 13.2 over a period of 331 days. [3]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ursa Minor |
Right ascension | 15h 29m 34.5775s [2] |
Declination | +78° 38′ 00.2742″ [2] |
Apparent magnitude (V) | 7.5-<13.2 [3] |
Characteristics | |
Spectral type | M6e-M9e [3] |
Variable type | long period variable [3] |
Astrometry | |
Proper motion (μ) |
RA: −30.986±0.303
[2]
mas/
yr Dec.: 7.006±0.309 [2] mas/ yr |
Parallax (π) | 2.5455 ± 0.1578 mas [2] |
Distance | 1,280 ± 80
ly (390 ± 20 pc) |
Other designations | |
Database references | |
SIMBAD | data |
S Ursae Minoris (S UMi) is a long period variable star in the constellation Ursa Minor, ranging from magnitude 7.5 to fainter than 13.2 over a period of 331 days. [3]