HD 155233 b

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]
Distance244.94±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

  1. 1 2 3 4 5 6 7 8 9 "HD 155233 b CONFIRMED PLANET OVERVIEW PAGE". NASA. Retrieved 2015-10-22.
  2. ↑ NASA Exoplanet Archive. News ticker slide one.
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