U Antliae: Difference between revisions
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'''U Antliae''' (U Ant) is a [[star]] in the [[constellation]] [[Antlia]]. |
'''U Antliae''' (U Ant) is a [[star]] in the [[constellation]] [[Antlia]]. |
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U Antliae is a red [[stellar classification|C-type]] [[carbon star]] and is an [[irregular variable|irregular]] [[variable star]]. Its brightness varies by 1.6 magnitudes. It is approximately 836 [[light years]] from [[Earth]]. |
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==References== |
==References== |
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Revision as of 16:48, 14 July 2009
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 35m 12.8507s |
| Declination | -39° 33′ 45.319″ |
| 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: -32.17 mas/yr Dec.: 3.29 mas/yr |
| Parallax (π) | 3.90 ± 0.67 mas |
| Distance | approx. 800 ly (approx. 260 pc) |
| Absolute magnitude (MV) | 8.794 |
| Details | |
| Mass | 0.77 M☉ |
| Luminosity | 1.7000 L☉ |
| Age | 1.4000 years |
| Other designations | |
| Database references | |
| SIMBAD | data |
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. Its brightness varies by 1.6 magnitudes. It is approximately 836 light years from Earth.
References
- BIMA CO Observation of EP Aquarii: The Semiregular Pulsating Star with a Double-Component Line Profile
- Disklike Structure in the Semiregular Pulsating Star X Her
- Image U Antliae
- HR 4153
- N-type carbon star U Ant
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 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |