HD 121980
star
HD 121980 is a red giant star in the constellation Bootes, the star is 553 light years away from earth
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Bootes |
| Right ascension | 13h 58m 39.9071s |
| Declination | +14° 38′ 57.385″ |
| Apparent magnitude (V) | +5.999 |
| Characteristics | |
| Spectral type | K6III-K7III |
| Astrometry | |
| Distance | 553 ly |
| Details | |
| Mass | 2.448 M☉ |
| Radius | 38.52 R☉ |
| Luminosity | 448 L☉ |
| Temperature | 4,279 K |
| Other designations | |
HD 121980, HR 5254, HIP 68279, SAO 100801, BD +15° 2651, IRAS 13562+1453, TYC 907-1242-1, IRC +10277, 2MASS J13583989+1438573 | |
The star is named HD 121980 because it is star is the 121,980th star in the Henry Draper catalogue, and The name HR 5254 derives directly from the fact that the star in the 5,254th stars in the Bright Star catalogue
It is named HIP 68279 because it is the 68,279th stars in the Hipparcos catalogue, and The name SAO 100801 from the 100,801st stars in the Smithsonian Astrophysical Star catalogue