KOI-1781
Imaginary Picture of Star KOI-1781
Star Name : KOI-1781
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7900 (Rsun, estimated)
Stellar Mass (Msun): 0.8300 (Msun/observed) 0.8300 (Msun/estimated)
Spectral type : K2
Metalicity : 0.2300
Absolute Magnitude : 25.00
Apparent Magnitude : 12.50
Right Ascension(RA) : 287.60559
Declination(DEC) : 49.52326
  • The star KOI-1781 has apparent magnitude of 12.5, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4974 with its spectral types of K2
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-411 b radius 0.168000 mass 0.014949 orbital distance 0.038000
  • Name of the 2 Planet Kepler-411 c radius 0.292000 mass 0.024996 orbital distance 0.000000
    (Illustration of the KOI-1781's Planetary System)



    The Star KOI-1781 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.423 AU ( 63342728.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.585 AU ( 87556204.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.892 AU ( 133416278.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.312 AU ( 196327898.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-1781)



    Kopparapu's Recent Venus for Star KOI-1781 distance : 0.459 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KOI-1781 distance : 0.581 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KOI-1781 distance : 0.561 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KOI-1781 distance : 0.615 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KOI-1781 distance : 1.054 AU
    Kopparapu's Outer Boundary for Early Mars for Star KOI-1781 distance : 1.111 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-1781)



  • Original Kopparapu Recent Venus for Star KOI-1781 distance : 0.454 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-1781 distance : 0.598 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-1781 distance : 0.600 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-1781 distance : 1.071 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-1781 distance : 1.114 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-1781)



    (Position in Stellar Map of star KOI-1781 )



    (Zoomed position in Stellar Map of star KOI-1781 (zoom level 3))