K2-273

Display orbital revolution around the star K2-273
Imaginary Picture of Star K2-273
Star Name : K2-273
Alternate Name : "2MASS J08390649+1900360, EPIC 211919004, WISE J083906.46+190036.0"
Star Distance (LY/pc): 1001.4923 (LY) 307.0593 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8400 (Rsun, estimated)
Stellar Mass (Msun): 0.9000 (Msun/observed) 0.9000 (Msun/estimated)
Spectral type : K0
Metalicity : 0.2000
Absolute Magnitude : 4.37
Apparent Magnitude : 11.81
Right Ascension(RA) : 129.77705
Declination(DEC) : 19.01002
  • This is the K2-273 . The star K2-273 islocated about 1001.5 light-years (307.1 pc) away from our Solar System.
  • The star K2-273 has apparent magnitude of 11.8, with absolute magnitude of 4.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5200 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-273 b radius 0.394000 mass 0.063334 orbital distance 0.097400
    (Illustration of the K2-273's Planetary System)



    The Star K2-273 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.492 AU ( 73611231.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.680 AU ( 101749959.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.036 AU ( 155044420.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.525 AU ( 228154657.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-273)



    Kopparapu's Recent Venus for Star K2-273 distance : 0.527 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-273 distance : 0.667 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-273 distance : 0.645 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-273 distance : 0.707 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-273 distance : 1.200 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-273 distance : 1.266 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-273)



  • Original Kopparapu Recent Venus for Star K2-273 distance : 0.523 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-273 distance : 0.687 AU
  • Original Kopparapu Moist Greenhouse for Star K2-273 distance : 0.692 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-273 distance : 1.221 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-273 distance : 1.269 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-273)



    (Position in Stellar Map of star K2-273 )



    (Zoomed position in Stellar Map of star K2-273 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1061*)
    *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