U Antliae
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 35m 12.852s[1] |
| Declination | −39° 33′ 45.32″[1] |
| Apparent magnitude (V) | 5.505 |
| Characteristics | |
| Spectral type | N:v |
| U−B color index | 7.1 |
| B−V color index | 2.88 |
| Variable type | LB |
| Astrometry | |
| Radial velocity (Rv) | 37 km/s |
| Proper motion (μ) | RA: −31.02 ± 0.56[1] mas/yr Dec.: 3.50 ± 0.53[1] mas/yr |
| Parallax (π) | 3.73 ± 0.54[1] mas |
| Distance | approx. 900 ly (approx. 270 pc) |
| Absolute magnitude (MV) | −5.22[2] |
| Details | |
| Mass | 1.04 M☉ |
| Radius | 350 R☉ |
| Luminosity | 5819[3] L☉ |
| Temperature | 3317[3] K |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
Coordinates: 
10h 35m 12.8507s, −39° 33′ 45.319″
U Antliae (U Ant) is a star in the constellation Antlia.
U Antliae is a red C-type carbon star and is an irregular variable star that varies between magnitudes 5.27 and 6.04.[4] Approximately 900 light years from Earth, it shines with a luminosity approximately 5819 times that of the Sun and has a surface temperature of 3317 K.[3] It is surrounded by two shells of dust, thought to have been ejected 14,000 and 10,000 years ago.[5]
References
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