WASP-12
Star in the constellation Auriga / From Wikipedia, the free encyclopedia
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WASP-12 is a magnitude 11 yellow dwarf star located approximately 1347 light-years away[2] in the constellation Auriga.[4] WASP-12 has a mass and radius similar to the Sun and is known for being orbited by a planet that is extremely hot and has a retrograde orbit around WASP-12. WASP-12 forms a triple star system with two red dwarf companions. Both of them have spectral types of M3V and are only 38% and 37% as massive as the Sun, respectively.[7]
Quick Facts Observation data Epoch J2000.0 Equinox J2000.0, Constellation ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Auriga[1] |
Right ascension | 06h 30m 32.7966s[2] |
Declination | +29° 40′ 20.264″[2] |
Apparent magnitude (V) | 11.560±0.068[3] |
Characteristics | |
Spectral type | G0V or F[citation needed] |
Apparent magnitude (B) | 12.138±0.019[3] |
Apparent magnitude (R) | ~11.6[4] |
Apparent magnitude (J) | 10.477±0.021[5] |
Apparent magnitude (H) | 10.228±0.022[5] |
Apparent magnitude (K) | 10.188±0.020[5] |
Astrometry | |
Proper motion (μ) | RA: −1.519(19) mas/yr[2] Dec.: −6.761(15) mas/yr[2] |
Parallax (π) | 2.4213 ± 0.0166 mas[2] |
Distance | 1,347 ± 9 ly (413 ± 3 pc) |
Details | |
Mass | 1.434+0.11 −0.09[6] M☉ |
Radius | 1.657+0.046 −0.044[6] R☉ |
Luminosity | 4.05+0.54 −0.53[6] L☉ |
Temperature | 6360+130 −140[6] K |
Metallicity | +0.33+0.14 −0.17[6] |
Other designations | |
Database references | |
SIMBAD | data |
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