Kepler-397

Display orbital revolution around the star Kepler-397
Imaginary Picture of Star Kepler-397
Star Name : Kepler-397
Alternate Name : "2MASS J19433458+4222496, KIC 6878240, KOI-2681, WISE J194334.59+422249.5"
Star Distance (LY/pc): 3160.4516 (LY) 969.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7700 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.8041 (Msun/estimated)
Spectral type : K0
Metalicity : -0.0350
Absolute Magnitude : 4.66
Apparent Magnitude : 14.59
Right Ascension(RA) : 295.89411
Declination(DEC) : 42.38045
  • This is the Kepler-397 . The star Kepler-397 islocated about 3160.5 light-years (969.0 pc) away from our Solar System.
  • The star Kepler-397 has apparent magnitude of 14.6, with absolute magnitude of 4.7.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-397 b radius 0.219000 mass 0.019129 orbital distance 0.144000
  • Name of the 2 Planet Kepler-397 c radius 0.551000 mass 0.142064 orbital distance 0.480000
    (Illustration of the Kepler-397's Planetary System)



    The Star Kepler-397 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.470 AU ( 70282469.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.649 AU ( 97148739.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.990 AU ( 148033180.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.456 AU ( 217837310.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-397)



    Kopparapu's Recent Venus for Star Kepler-397 distance : 0.500 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-397 distance : 0.634 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-397 distance : 0.612 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-397 distance : 0.671 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-397 distance : 1.135 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-397 distance : 1.197 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-397)



  • Original Kopparapu Recent Venus for Star Kepler-397 distance : 0.497 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-397 distance : 0.652 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-397 distance : 0.657 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-397 distance : 1.154 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-397 distance : 1.201 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-397)



    (Position in Stellar Map of star Kepler-397 )



    (Zoomed position in Stellar Map of star Kepler-397 (zoom level 3))

    (Synthetic Spectrum of star Kepler-10*)
    *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