HD 9446 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 9446 | |
| Constellation | Triangulum | |
| Right ascension | (α) | 01h 33m 20s |
| Declination | (δ) | +29° 15′ 55″ |
| Apparent magnitude | (mV) | 8.35 |
| Distance | 172 ± 10 ly (53 ± 3 pc) |
|
| Spectral type | G5V | |
| Mass | (m) | 1.00 ± 0.10 M☉ |
| Radius | (r) | 1.00 R☉ |
| Temperature | (T) | 5793 ± 22 K |
| Metallicity | [Fe/H] | 0.09 ± 0.05 |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.70 ± 0.06 MJ |
| Orbital elements | ||
| Semi-major axis | (a) | 0.189 ± 0.006 AU |
| Eccentricity | (e) | 0.20 ± 0.06 |
| Orbital period | (P) | 30.052 ± 0.027 d |
| Discovery information | ||
| Discovery date | 2010-01-05 | |
| Discoverer(s) | ||
| Discovery method | Radial velocity | |
| Discovery status | ||
HD 9446 b is an exoplanet discovered in 2010 orbiting the star HD 9446 in the constellation Triangulum, 53 parsecs from Earth.[1]
See also
References
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Coordinates: 
01h 33m 20s, +29° 15′ 55″
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