Kepler-197

Display orbital revolution around the star Kepler-197
Imaginary Picture of Star Kepler-197
Star Name : Kepler-197
Alternate Name : "2MASS J19405434+5033323, KIC 12068975, KOI-623, Kepler-197 A, WISE J194054.30+503332.4"
Star Distance (LY/pc): 886.2935 (LY) 271.7391 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1200 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.9169 (Msun/estimated)
Spectral type : G0
Metalicity : -0.5330
Absolute Magnitude : 3.64
Apparent Magnitude : 10.81
Right Ascension(RA) : 295.22643
Declination(DEC) : 50.55901
  • This is the Kepler-197 . The star Kepler-197 islocated about 886.3 light-years (271.7 pc) away from our Solar System.
  • The star Kepler-197 has apparent magnitude of 10.8, with absolute magnitude of 3.6.
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet Kepler-197 b radius 0.091000 mass 0.003304 orbital distance 0.060000
  • Name of the 2 Planet Kepler-197 c radius 0.110000 mass 0.017000 orbital distance 0.090000
  • Name of the 3 Planet Kepler-197 d radius 0.109000 mass 0.006332 orbital distance 0.119000
  • Name of the 4 Planet Kepler-197 e radius 0.081000 mass 0.002181 orbital distance 0.164000
    (Illustration of the Kepler-197's Planetary System)



    The Star Kepler-197 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.875 AU ( 130845111.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.209 AU ( 180862138.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.842 AU ( 275593874.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.711 AU ( 405548458.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-197)



    Kopparapu's Recent Venus for Star Kepler-197 distance : 0.894 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-197 distance : 1.132 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-197 distance : 1.094 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-197 distance : 1.199 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-197 distance : 1.988 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-197 distance : 2.097 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-197)



  • Original Kopparapu Recent Venus for Star Kepler-197 distance : 0.900 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-197 distance : 1.163 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-197 distance : 1.190 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-197 distance : 2.024 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-197 distance : 2.105 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-197)



    (Position in Stellar Map of star Kepler-197 )



    (Zoomed position in Stellar Map of star Kepler-197 (zoom level 3))

    (Synthetic Spectrum of star HD 195689*)
    *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