HD 171238

Display orbital revolution around the star HD 171238
Imaginary Picture of Star HD 171238
Star Name : HD 171238
Alternate Name :
Star Distance (LY/pc): 143.7444 (LY) 44.0723 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9102 (Rsun, estimated)
Stellar Mass (Msun): 0.9430 (Msun/observed) 0.9430 (Msun/estimated)
Spectral type : KOV
Metalicity : 0.1700
Absolute Magnitude : 5.44
Apparent Magnitude : 8.66
Right Ascension(RA) : 278.68198
Declination(DEC) : -28.07222
  • This is the HD 171238 . The star HD 171238 islocated about 143.7 light-years (44.1 pc) away from our Solar System.
  • The star HD 171238 has apparent magnitude of 8.7, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5467 with its spectral types of KOV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 171238 b radius 0.907830 mass 2.600000 orbital distance 2.540000
    (Illustration of the HD 171238's Planetary System)



    The Star HD 171238 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.589 AU ( 88167217.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.815 AU ( 121870135.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.241 AU ( 185703117.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.827 AU ( 273270272.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 171238)



    Kopparapu's Recent Venus for Star HD 171238 distance : 0.374 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 171238 distance : 0.474 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 171238 distance : 0.457 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 171238 distance : 0.502 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 171238 distance : 0.844 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 171238 distance : 0.890 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 171238)



  • Original Kopparapu Recent Venus for Star HD 171238 distance : 0.372 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 171238 distance : 0.487 AU
  • Original Kopparapu Moist Greenhouse for Star HD 171238 distance : 0.493 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 171238 distance : 0.859 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 171238 distance : 0.893 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 171238)



    (Position in Stellar Map of star HD 171238 )



    (Zoomed position in Stellar Map of star HD 171238 (zoom level 3))

    (Synthetic Spectrum of star HD 92788*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102