HD 66428
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Stern HD 66428 |
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| AladinLite | |||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | unicorn | ||||||||
| Right ascension | 08 h 03 m 28.67 s | ||||||||
| declination | -01 ° 09 ′ 45.8 ″ | ||||||||
| Apparent brightness | 8.25 likes | ||||||||
| Typing | |||||||||
| Known exoplanets | 1 | ||||||||
| Spectral class | G5 | ||||||||
| Astrometry | |||||||||
| Radial velocity | (44.1 ± 0.2) km / s | ||||||||
| parallax | (18.21 ± 1.07) mas | ||||||||
| distance | (179 ± 11) ly (54.9 ± 3.2) pc |
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| Visual absolute brightness M vis | +4.55 mag | ||||||||
| Proper movement | |||||||||
| Rec. Share: | (−67.78 ± 1.05) mas / a | ||||||||
| Dec. portion: | (−207.18 ± 0.84) mas / a | ||||||||
| Physical Properties | |||||||||
| Dimensions | 1.14552 M ☉ | ||||||||
| Effective temperature | 5752 K | ||||||||
| Metallicity [Fe / H] | 0.31 | ||||||||
| Age | 5.56 · 10 9 a | ||||||||
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Other names and catalog entries |
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HD 66428 is a yellow dwarf 179.4 light years from Earth with a right ascension of 08h 03m 28s and a declination of −01 ° 09 '45 ". It has an apparent magnitude of 8.25 mag. In 2006, Paul Butler discovered an extrasolar planet orbiting this star, named HD 66428 b .