HD 131399A
Imaginary Picture of Star HD 131399A
Star Name : HD 131399A
Alternate Name :
Star Distance (LY/pc): 319.6329 (LY) 98.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7152 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.0000 (Msun/estimated)
Spectral type : A1V
Metalicity : 0.0000
Absolute Magnitude : 2.11
Apparent Magnitude : 7.07
Right Ascension(RA) : 223.60545
Declination(DEC) : -34.14278
  • This is the HD 131399A . The star HD 131399A islocated about 319.6 light-years (98.0 pc) away from our Solar System.
  • The star HD 131399A has apparent magnitude of 7.1, with absolute magnitude of 2.1.
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 131399A b radius 1.598001 mass 4.000000 orbital distance 80.000000
    (Illustration of the HD 131399A's Planetary System)



    The Star HD 131399A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 3.234 AU ( 483869430.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.471 AU ( 668834002.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.813 AU ( 1019155007.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 10.025 AU ( 1499731240.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 131399A)



    Kopparapu's Recent Venus for Star HD 131399A distance : 1.333 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 131399A distance : 1.689 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 131399A distance : 1.632 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 131399A distance : 1.759 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 131399A distance : 2.938 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 131399A distance : 3.097 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 131399A)



  • Original Kopparapu Recent Venus for Star HD 131399A distance : 1.323 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 131399A distance : 1.715 AU
  • Original Kopparapu Moist Greenhouse for Star HD 131399A distance : 1.751 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 131399A distance : 2.977 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 131399A distance : 3.095 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 131399A)



    (Position in Stellar Map of star HD 131399A )



    (Zoomed position in Stellar Map of star HD 131399A (zoom level 3))