K2-247

Display orbital revolution around the star K2-247
Imaginary Picture of Star K2-247
Star Name : K2-247
Alternate Name : "2MASS J12353448-1004091, EPIC 228725791, WISE J123534.44-100409.2"
Star Distance (LY/pc): 848.6579 (LY) 260.2000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6900 (Rsun, estimated)
Stellar Mass (Msun): 0.7400 (Msun/observed) 0.7400 (Msun/estimated)
Spectral type : K4
Metalicity : -0.0800
Absolute Magnitude : 5.30
Apparent Magnitude : 12.38
Right Ascension(RA) : 188.89369
Declination(DEC) : -10.06923
  • This is the K2-247 . The star K2-247 islocated about 848.7 light-years (260.2 pc) away from our Solar System.
  • The star K2-247 has apparent magnitude of 12.4, with absolute magnitude of 5.3.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4667 with its spectral types of K4
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-247 b radius 0.189000 mass 0.016679 orbital distance 0.030400
  • Name of the 2 Planet K2-247 c radius 0.195000 mass 0.017171 orbital distance 0.061500
    (Illustration of the K2-247's Planetary System)



    The Star K2-247 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.326 AU ( 48706038.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.450 AU ( 67324473.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.686 AU ( 102587598.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.009 AU ( 150962144.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-247)



    Kopparapu's Recent Venus for Star K2-247 distance : 0.357 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-247 distance : 0.452 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-247 distance : 0.437 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-247 distance : 0.479 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-247 distance : 0.832 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-247 distance : 0.877 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-247)



  • Original Kopparapu Recent Venus for Star K2-247 distance : 0.353 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-247 distance : 0.467 AU
  • Original Kopparapu Moist Greenhouse for Star K2-247 distance : 0.467 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-247 distance : 0.845 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-247 distance : 0.879 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-247)



    (Position in Stellar Map of star K2-247 )



    (Zoomed position in Stellar Map of star K2-247 (zoom level 3))

    (Synthetic Spectrum of star Kepler-956*)
    *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