HD 23596
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Star HD 23596 |
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| AladinLite | |||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Perseus | ||||||||||
| Right ascension | 03 h 48 m 0.37 s | ||||||||||
| declination | + 40 ° 31 ′ 50.3 ″ | ||||||||||
| Apparent brightness | 7.25 likes | ||||||||||
| Typing | |||||||||||
| Known exoplanets | 1 | ||||||||||
| Spectral class | F8 | ||||||||||
| Astrometry | |||||||||||
| Radial velocity | (−10.1 ± 0.3) km / s | ||||||||||
| parallax | (19.83 ± 0.49) mas | ||||||||||
| distance | (165 ± 4) ly (50.4 ± 1.2) pc |
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| Visual absolute brightness M vis | approx. +3.7 mag | ||||||||||
| Proper movement | |||||||||||
| Rec. Share: | (53.95 ± 0.48) mas / a | ||||||||||
| Dec. portion: | (21.12 ± 0.42) mas / a | ||||||||||
| Physical Properties | |||||||||||
| Dimensions | approx. 1.3 M ☉ | ||||||||||
| radius | approx. 2.1 R ☉ | ||||||||||
| Effective temperature | approx. 5890 K | ||||||||||
| Metallicity [Fe / H] | +0.32 | ||||||||||
| Age | approx. 7 bill. a | ||||||||||
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Other names and catalog entries |
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HD 23596 is a sun-like star in the constellation Perseus, 165 light-years away . It has an apparent magnitude of 7.3 mag and is orbited by the exoplanet candidate HD 23596 b .
companion
In 2002 Perrier et al. a potential extrasolar planet orbiting this star with an orbital period of around 1565 days using the radial velocity method . The object's orbit has a major semi-axis of approx. 2.8 astronomical units and an eccentricity of 0.29.
Web links
Individual evidence
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ Pulkovo radial velocities for 35493 HIP stars
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ calculated