HD 155233 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 155233 | |
| Right ascension | (α) | 17h 11m 04.37s[1] |
| Declination | (δ) | −20° 39′ 16.5″[1] |
| Distance | 244.94±10.7632 ly (75.1±3.3 pc) | |
| Spectral type | K1III[1] | |
| Mass | (m) | 1.50±0.20[1] M☉ |
| Radius | (r) | 5.03±0.22[1] R☉ |
| Temperature | (T) | 4845±100 K |
| Metallicity | [Fe/H] | 0.10±0.07 |
| Orbital elements | ||
| Semi-major axis | (a) | 2.07±0.10[1] AU |
| Eccentricity | (e) | 0.030±0.200[1] |
| Orbital period | (P) | 885±63[1] d |
| Physical characteristics | ||
| Mass | (m) | 636±159[1] M⊕ |
| Discovery information | ||
| Discovery date | October 19, 2015 | |
| Discoverer(s) | Wittenmyer et al. | |
| Discovery method | Radial velocity | |
| Discovery status | Published | |
HD 155233 b is a confirmed exoplanet orbiting around the K Giant star HD 155233 every 885 days some 244.94 light-years away. It has a mass of 636 Earth masses or 2 Jupiter masses and is likely a gas giant similar of that to Jupiter just double the mass. It was discovered by Wittenmyer et al. on October 22nd 2015.[2]
References
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