K2-239

Display orbital revolution around the star K2-239
Imaginary Picture of Star K2-239
Star Name : K2-239
Alternate Name : "K2-239, 2MASS J10422263+0426287, EPIC 248545986, WISE J104222.60+042628.8"
Star Distance (LY/pc): 159.8164 (LY) 49.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3600 (Rsun, estimated)
Stellar Mass (Msun): 0.4000 (Msun/observed) 0.4000 (Msun/estimated)
Spectral type : M3.0 V
Metalicity : -0.1000
Absolute Magnitude : 11.10
Apparent Magnitude : 14.55
Right Ascension(RA) : 160.59430
Declination(DEC) : 4.44135
  • This is the K2-239 . The star K2-239 islocated about 159.8 light-years (49.0 pc) away from our Solar System.
  • The star K2-239 has apparent magnitude of 14.5, with absolute magnitude of 11.1.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3420 with its spectral types of M3.0 V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet K2-239 b radius 0.098000 mass 0.004400 orbital distance 0.044100
  • Name of the 2 Planet K2-239 c radius 0.089000 mass 0.002800 orbital distance 0.057600
  • Name of the 3 Planet K2-239 d radius 0.098000 mass 0.004100 orbital distance 0.068500
    (Illustration of the K2-239's Planetary System)



    The Star K2-239 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.091 AU ( 13646234.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.126 AU ( 18862662.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.192 AU ( 28742522.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.283 AU ( 42295881.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-239)



    Kopparapu's Recent Venus for Star K2-239 distance : 0.103 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-239 distance : 0.131 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-239 distance : 0.126 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-239 distance : 0.138 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-239 distance : 0.255 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-239 distance : 0.269 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-239)



  • Original Kopparapu Recent Venus for Star K2-239 distance : 0.102 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-239 distance : 0.135 AU
  • Original Kopparapu Moist Greenhouse for Star K2-239 distance : 0.135 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-239 distance : 0.259 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-239 distance : 0.269 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-239)



    (Position in Stellar Map of star K2-239 )



    (Zoomed position in Stellar Map of star K2-239 (zoom level 3))

    (Synthetic Spectrum of star Kepler-950*)
    *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