IRAS 18111-2257
star in the constellation Sagittarius
IRAS 18111-2257 is a red supergiant star in the constellation Sagittarius, the star is about 20,000 light years away from earth
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 14m 14.7522s |
| Declination | −22° 56′ 19.441″ |
| Characteristics | |
| Spectral type | M4Ia |
| Apparent magnitude (G) | +16.014 |
| Apparent magnitude (J) | +8.325 |
| Apparent magnitude (H) | +6.931 |
| Apparent magnitude (K) | +6.154 |
| Variable type | Semi-Regular variable star |
| Astrometry | |
| Distance | ~20,000 ly |
| Details | |
| Mass | 25-35 M☉ |
| Radius | 1,289-1,427 R☉ |
| Luminosity | 231,900-309,500 L☉ |
| Temperature | 3,528-3,604 K |
| Other designations | |
IRAS 18111-2257, 2MASS J18141475-2256195 | |
If IRAS 18111-2257 was placed into center of the solar system, that It's will engulf Mercury, Venus, Earth, Mars, Ceres, and even Jupiter, Because IRAS 18111-2257's size was 1,289 to 1,427 times large as the sun
in the Star Wars franchise, IRAS 18111-2257 was also named Primus Goluud, an red supergiant star in the Deep Core region, and Naga Sadow uses a superweapon to causing IRAS 18111-2257 explode into an supernovae