HD 13931

Display orbital revolution around the star HD 13931
Imaginary Picture of Star HD 13931
Star Name : HD 13931
Alternate Name :
Star Distance (LY/pc): 152.4806 (LY) 46.7508 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2300 (Rsun, estimated)
Stellar Mass (Msun): 1.0200 (Msun/observed) 1.0200 (Msun/estimated)
Spectral type : G0
Metalicity : 0.0300
Absolute Magnitude : 4.26
Apparent Magnitude : 7.61
Right Ascension(RA) : 34.19741
Declination(DEC) : 43.77306
  • This is the HD 13931 . The star HD 13931 islocated about 152.5 light-years (46.8 pc) away from our Solar System.
  • The star HD 13931 has apparent magnitude of 7.6, with absolute magnitude of 4.3.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5829 with its spectral types of G0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 13931 b radius 0.907830 mass 1.880000 orbital distance 5.150000
    (Illustration of the HD 13931's Planetary System)



    The Star HD 13931 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.905 AU ( 135441368.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.251 AU ( 187215366.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.907 AU ( 285274788.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.806 AU ( 419794348.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 13931)



    Kopparapu's Recent Venus for Star HD 13931 distance : 0.936 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 13931 distance : 1.185 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 13931 distance : 1.144 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 13931 distance : 1.254 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 13931 distance : 2.089 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 13931 distance : 2.204 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 13931)



  • Original Kopparapu Recent Venus for Star HD 13931 distance : 0.938 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 13931 distance : 1.217 AU
  • Original Kopparapu Moist Greenhouse for Star HD 13931 distance : 1.241 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 13931 distance : 2.126 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 13931 distance : 2.211 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 13931)



    (Position in Stellar Map of star HD 13931 )



    (Zoomed position in Stellar Map of star HD 13931 (zoom level 3))

    (Synthetic Spectrum of star HATS-16*)
    *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