Kepler-304

Display orbital revolution around the star Kepler-304
Imaginary Picture of Star Kepler-304
Star Name : Kepler-304
Alternate Name : "2MASS J19374602+4033273, KIC 5371776, KOI-1557, WISE J193746.01+403327.4"
Star Distance (LY/pc): 1435.4778 (LY) 440.1200 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6900 (Rsun, estimated)
Stellar Mass (Msun): 0.8000 (Msun/observed) 0.8000 (Msun/estimated)
Spectral type : K3
Metalicity : 0.5230
Absolute Magnitude : 5.03
Apparent Magnitude : 13.24
Right Ascension(RA) : 294.44176
Declination(DEC) : 40.55759
  • This is the Kepler-304 . The star Kepler-304 islocated about 1435.5 light-years (440.1 pc) away from our Solar System.
  • The star Kepler-304 has apparent magnitude of 13.2, with absolute magnitude of 5.0.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4731 with its spectral types of K3
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet Kepler-304 b radius 0.255000 mass 0.022037 orbital distance 0.039000
  • Name of the 2 Planet Kepler-304 c radius 0.194000 mass 0.017089 orbital distance 0.054000
  • Name of the 3 Planet Kepler-304 d radius 0.245000 mass 0.021232 orbital distance 0.080000
  • Name of the 4 Planet Kepler-304 e radius 0.107000 mass 0.005921 orbital distance 0.000000
    (Illustration of the Kepler-304's Planetary System)



    The Star Kepler-304 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.335 AU ( 50051039.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.462 AU ( 69183616.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.705 AU ( 105420520.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.037 AU ( 155130914.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-304)



    Kopparapu's Recent Venus for Star Kepler-304 distance : 0.366 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-304 distance : 0.464 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-304 distance : 0.448 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-304 distance : 0.491 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-304 distance : 0.850 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-304 distance : 0.897 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-304)



  • Original Kopparapu Recent Venus for Star Kepler-304 distance : 0.362 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-304 distance : 0.478 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-304 distance : 0.479 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-304 distance : 0.864 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-304 distance : 0.899 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-304)



    (Position in Stellar Map of star Kepler-304 )



    (Zoomed position in Stellar Map of star Kepler-304 (zoom level 3))

    (Synthetic Spectrum of star KMT-2021-BLG-1077L*)
    *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