Kepler-254

Display orbital revolution around the star Kepler-254
Imaginary Picture of Star Kepler-254
Star Name : Kepler-254
Alternate Name : "2MASS J19123952+4548594, KIC 9334289, KOI-934, WISE J191239.50+454859.2"
Star Distance (LY/pc): 4717.6835 (LY) 1446.4500 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9100 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 1.0173 (Msun/estimated)
Spectral type : G1
Metalicity : -0.1910
Absolute Magnitude : 3.87
Apparent Magnitude : 14.68
Right Ascension(RA) : 288.16470
Declination(DEC) : 45.81650
  • This is the Kepler-254 . The star Kepler-254 islocated about 4717.7 light-years (1446.5 pc) away from our Solar System.
  • The star Kepler-254 has apparent magnitude of 14.7, with absolute magnitude of 3.9.
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-254 b radius 0.345000 mass 0.029190 orbital distance 0.064000
  • Name of the 2 Planet Kepler-254 c radius 0.192000 mass 0.016925 orbital distance 0.105000
  • Name of the 3 Planet Kepler-254 d radius 0.223000 mass 0.019453 orbital distance 0.139000
    (Illustration of the Kepler-254's Planetary System)



    The Star Kepler-254 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.700 AU ( 104653728.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.967 AU ( 144658801.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.473 AU ( 220428001.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.168 AU ( 324369460.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-254)



    Kopparapu's Recent Venus for Star Kepler-254 distance : 0.717 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-254 distance : 0.908 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-254 distance : 0.877 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-254 distance : 0.962 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-254 distance : 1.597 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-254 distance : 1.684 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-254)



  • Original Kopparapu Recent Venus for Star Kepler-254 distance : 0.721 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-254 distance : 0.933 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-254 distance : 0.954 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-254 distance : 1.625 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-254 distance : 1.690 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-254)



    (Position in Stellar Map of star Kepler-254 )



    (Zoomed position in Stellar Map of star Kepler-254 (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