K2-42

Display orbital revolution around the star K2-42
Imaginary Picture of Star K2-42
Star Name : K2-42
Alternate Name : "2MASS J11463977-0510186, EPIC 201155177, WISE J114639.77-051019.1"
Star Distance (LY/pc): 1286.3577 (LY) 394.3995 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6400 (Rsun, estimated)
Stellar Mass (Msun): 0.7000 (Msun/observed) 0.7000 (Msun/estimated)
Spectral type : K4
Metalicity : 0.0000
Absolute Magnitude : 5.00
Apparent Magnitude : 12.98
Right Ascension(RA) : 176.66573
Declination(DEC) : -5.17191
  • This is the K2-42 . The star K2-42 islocated about 1286.4 light-years (394.4 pc) away from our Solar System.
  • The star K2-42 has apparent magnitude of 13.0, with absolute magnitude of 5.0.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4613 with its spectral types of K4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-42 b radius 0.192000 mass 0.016925 orbital distance 0.061700
    (Illustration of the K2-42's Planetary System)



    The Star K2-42 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.295 AU ( 44137222.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.408 AU ( 61009175.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.621 AU ( 92964481.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.914 AU ( 136801307.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-42)



    Kopparapu's Recent Venus for Star K2-42 distance : 0.325 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-42 distance : 0.411 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-42 distance : 0.397 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-42 distance : 0.435 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-42 distance : 0.757 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-42 distance : 0.799 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-42)



  • Original Kopparapu Recent Venus for Star K2-42 distance : 0.320 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-42 distance : 0.424 AU
  • Original Kopparapu Moist Greenhouse for Star K2-42 distance : 0.424 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-42 distance : 0.769 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-42 distance : 0.800 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-42)



    (Position in Stellar Map of star K2-42 )



    (Zoomed position in Stellar Map of star K2-42 (zoom level 3))

    (Synthetic Spectrum of star Kepler-859*)
    *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