RT Aurigae
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 28m 34.0889s |
| Declination | +30° 29′ 34.921″ |
| Apparent magnitude (V) | 5.75[1] |
| Characteristics | |
| Spectral type | F8Ibv |
| U−B color index | 0.5[2] |
| B−V color index | 0.74[1] |
| 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) | -1.10 ± 1.41 mas |
| Distance | 473[3] pc |
| Absolute magnitude (MV) | -3.09[3] |
| Details | |
| Mass | 4.5[4] M☉ |
| Radius | 35.1[3] R☉ |
| Luminosity | 1,186[5] L☉ |
| Surface gravity (log g) | 1.5[1] cgs |
| Temperature | 6,151[5] K |
| Metallicity | 0.1[3] |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
RT Aurigae (RT Aur) is a star in the constellation Auriga.
RT Aurigae is an F-type yellow 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.[3]
References
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