HD 171028
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Stern HD 171028 |
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| AladinLite | |||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Snake bearer | ||||||
| Right ascension | 18 h 32 m 15.49 s | ||||||
| declination | + 06 ° 56 ′ 44.7 ″ | ||||||
| Apparent brightness | 8.31 mag | ||||||
| Typing | |||||||
| Known exoplanets | 1 | ||||||
| Spectral class | G0V | ||||||
| Astrometry | |||||||
| Radial velocity | 13.1 km / s | ||||||
| distance | 293.58 Lj 90 pc |
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| Proper movement | |||||||
| Rec. Share: | −44.6 mas / a | ||||||
| Dec. portion: | −12.4 mas / a | ||||||
| Physical Properties | |||||||
| Dimensions | 0.99 M ☉ | ||||||
| radius | 1.95 (± 0.26) R ☉ | ||||||
| Effective temperature | 5663 K | ||||||
| Metallicity [Fe / H] | −0.49 | ||||||
| Age | 8 billion a | ||||||
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Other names and catalog entries |
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HD 171028 is a yellow dwarf 293.58 light years from Earth with a right ascension of 18h 32m 15s and a declination of + 06 ° 56 '45 ". It has an apparent magnitude of 8.31 mag. In 2007 Nuno discovered C Santos an extrasolar planet orbiting this star, named HD 171028 b .