Kepler-1781

Display orbital revolution around the star Kepler-1781
Imaginary Picture of Star Kepler-1781
Star Name : Kepler-1781
Alternate Name : "6862721, KOI-1982"
Star Distance (LY/pc): 3139.6755 (LY) 962.6300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8160 (Rsun, estimated)
Stellar Mass (Msun): 0.8800 (Msun/observed) 0.8800 (Msun/estimated)
Spectral type : G9/K0V
Metalicity : 0.4400
Absolute Magnitude : 5.80
Apparent Magnitude : 15.71
Right Ascension(RA) : 291.71146
Declination(DEC) : 42.34150
  • This is the Kepler-1781 . The star Kepler-1781 islocated about 3139.7 light-years (962.6 pc) away from our Solar System.
  • The star Kepler-1781 has apparent magnitude of 15.7, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5190 with its spectral types of G9/K0V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1781 b radius 0.212300 mass 0.018584 orbital distance 0.057400
    (Illustration of the Kepler-1781's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.476 AU ( 71233287.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.658 AU ( 98463018.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.003 AU ( 150035850.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.476 AU ( 220784326.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1781)



    Kopparapu's Recent Venus for Star Kepler-1781 distance : 0.510 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1781 distance : 0.646 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1781 distance : 0.624 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1781 distance : 0.684 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1781 distance : 1.162 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1781 distance : 1.226 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1781)



  • Original Kopparapu Recent Venus for Star Kepler-1781 distance : 0.506 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1781 distance : 0.665 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1781 distance : 0.669 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1781 distance : 1.182 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1781 distance : 1.229 AU

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



    (Position in Stellar Map of star Kepler-1781 )



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

    (Synthetic Spectrum of star Kepler-713*)
    *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