RT Aurigae
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This article does not cite any references or sources. (May 2010) |
| Observation data Epoch J2000 Equinox J2000 |
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|---|---|
| Constellation | Auriga |
| Right ascension | 06h 28m 34.0889s |
| Declination | +30° 29′ 34.921″ |
| Apparent magnitude (V) | 5.75 |
| Characteristics | |
| Spectral type | F8Ibv |
| U−B color index | 0.5 |
| B−V color index | 0.68 |
| Variable type | Cepheid variable |
| Astrometry | |
| Radial velocity (Rv) | 21.6 km/s |
| Proper motion (μ) | RA: 0.34 mas/yr Dec.: -14.95 mas/yr |
| Parallax (π) | 2.09 ± 0.89 mas |
| Distance | approx. 1,600 ly (approx. 500 pc) |
| Absolute magnitude (MV) | 6.49 |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.4 R☉ |
| Luminosity | 6 L☉ |
| Temperature | 6,000–7,500 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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RT Aurigae (RT Aur) is a star in the constellation Auriga.
RT Aurigae is a yellow-white F-type supergiant with a mean apparent magnitude of +5.75. It is approximately 1561 light-years from Earth. It is classified as a Cepheid variable star and its brightness varies from magnitude +5.00 to +5.82 with a period of 3.73 days.
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