HD 179949
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Stern HD 179949 |
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| AladinLite | |||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Sagittarius | ||||||||||
| Right ascension | 19 h 15 m 33.23 s | ||||||||||
| declination | -24 ° 10 ′ 45.7 ″ | ||||||||||
| Apparent brightness | 6.25 mag | ||||||||||
| Typing | |||||||||||
| Known exoplanets | 1 | ||||||||||
| B − V color index | +0.54 | ||||||||||
| U − B color index | +0.09 | ||||||||||
| Spectral class | F8 V | ||||||||||
| Astrometry | |||||||||||
| Radial velocity | (−24.8 ± 0.2) km / s | ||||||||||
| parallax | (36.30 ± 0.70) mas | ||||||||||
| distance | (89.9 ± 1.7) ly (27.55 ± 0.53) pc |
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| Visual absolute brightness M vis | +4.05 mag | ||||||||||
| Proper movement | |||||||||||
| Rec. Share: | (117.97 ± 0.91) mas / a | ||||||||||
| Dec. portion: | (−101.67 ± 0.47) mas / a | ||||||||||
| Physical Properties | |||||||||||
| Dimensions | 1.28 M ☉ | ||||||||||
| radius | 1.19 R ☉ | ||||||||||
| Luminosity |
2 L ☉ |
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| Effective temperature | 6260 K | ||||||||||
| Metallicity [Fe / H] | 0.22 | ||||||||||
| Age | 2.05 x 10 9 a | ||||||||||
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Other names and catalog entries |
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HD 179949 is a yellow dwarf 88.07 light-years from Earth with a right ascension of 19h 15m 33s and a declination of −24 ° 10 '45 ". It has an apparent magnitude of 6.25 mag. In 2000, CG discovered Tinney an extrasolar planet orbiting this star, named HD 179949 b .