Kepler-1721

Display orbital revolution around the star Kepler-1721
Imaginary Picture of Star Kepler-1721
Star Name : Kepler-1721
Alternate Name : "8934495, KOI-524, 2MASS J18541059+4513319"
Star Distance (LY/pc): 2091.8798 (LY) 641.3740 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7800 (Rsun, estimated)
Stellar Mass (Msun): 0.8700 (Msun/observed) 0.8700 (Msun/estimated)
Spectral type : G9/K0V
Metalicity : -0.0400
Absolute Magnitude : 6.03
Apparent Magnitude : 15.07
Right Ascension(RA) : 283.54416
Declination(DEC) : 45.22555
  • This is the Kepler-1721 . The star Kepler-1721 islocated about 2091.9 light-years (641.4 pc) away from our Solar System.
  • The star Kepler-1721 has apparent magnitude of 15.1, with absolute magnitude of 6.0.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5168 with its spectral types of G9/K0V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1721 b radius 0.278170 mass 0.023893 orbital distance 0.051900
    (Illustration of the Kepler-1721's Planetary System)



    The Star Kepler-1721 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.451 AU ( 67514604.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.624 AU ( 93322826.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.951 AU ( 142203335.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.399 AU ( 209258437.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1721)



    Kopparapu's Recent Venus for Star Kepler-1721 distance : 0.484 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1721 distance : 0.613 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1721 distance : 0.592 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1721 distance : 0.649 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1721 distance : 1.104 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1721 distance : 1.164 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1721)



  • Original Kopparapu Recent Venus for Star Kepler-1721 distance : 0.480 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1721 distance : 0.631 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1721 distance : 0.635 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1721 distance : 1.123 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1721 distance : 1.167 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1721)



    (Position in Stellar Map of star Kepler-1721 )



    (Zoomed position in Stellar Map of star Kepler-1721 (zoom level 3))

    (Synthetic Spectrum of star Kepler-653*)
    *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