HD 149143
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Stern HD 149143 |
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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 | 16 h 32 m 51.05 s | ||||||||
| declination | + 02 ° 05 ′ 5.4 ″ | ||||||||
| Apparent brightness | (7.89 ± 0.01) mag | ||||||||
| Typing | |||||||||
| Known exoplanets | 1 | ||||||||
| Spectral class | G | ||||||||
| Astrometry | |||||||||
| parallax | (16.12 ± 0.83) mas | ||||||||
| distance | (200 ± 10) ly (62.0 ± 3.2) pc |
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| Proper movement | |||||||||
| Rec. Share: | (−9.26 ± 0.90) mas / a | ||||||||
| Dec. portion: | (−87.31 ± 0.81) mas / a | ||||||||
| Physical Properties | |||||||||
| Dimensions | (1.1 ± 0.1) M ☉ | ||||||||
| Effective temperature | (5730 ± 150) K. | ||||||||
| Metallicity [Fe / H] | 0.26 ± 0.05 | ||||||||
| Age | (7.6 ± 1.2) Billion a | ||||||||
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Other names and catalog entries |
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HD 149143 is a 200 light-years distant star of the spectral class G with a right ascension of 16 h 32 m 51 s and a declination of + 02 ° 05 ′ 05 ″. It has an apparent magnitude of 7.9 mag. In 2005, Da Silva et al. Using the radial velocity method, an extrasolar planet with the systematic name HD 149143 b , which orbits this star with an orbital period of 4.07 days. The companion is a Hot Jupiter and has a minimum mass of 1.3 Jupiter masses. The major semi-axis of its orbit corresponds to approx. 0.05 astronomical units .