Kepler-25

Display orbital revolution around the star Kepler-25
Imaginary Picture of Star Kepler-25
Star Name : Kepler-25
Alternate Name : "2MASS J19063321+3929164, GSC 03124-01264, KIC 4349452, KOI-244, Kepler-25 A, TYC 3124-01264-1, WISE J190633.20+392916.5
Star Distance (LY/pc): 829.9135 (LY) 254.4529 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3100 (Rsun, estimated)
Stellar Mass (Msun): 1.1900 (Msun/observed) 1.1900 (Msun/estimated)
Spectral type : F8
Metalicity : -0.0400
Absolute Magnitude : 3.97
Apparent Magnitude : 11.00
Right Ascension(RA) : 286.63839
Declination(DEC) : 39.48789
  • This is the Kepler-25 . The star Kepler-25 islocated about 829.9 light-years (254.5 pc) away from our Solar System.
  • The star Kepler-25 has apparent magnitude of 11.0, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6270 with its spectral types of F8
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-25 b radius 0.245000 mass 0.027500 orbital distance 0.068000
  • Name of the 2 Planet Kepler-25 c radius 0.465000 mass 0.047900 orbital distance 0.110000
  • Name of the 3 Planet Kepler-25 d radius 0.718411 mass 0.226000 orbital distance 0.000000
    (Illustration of the Kepler-25's Planetary System)



    The Star Kepler-25 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.116 AU ( 166903133.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.542 AU ( 230703747.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.350 AU ( 351541456.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.458 AU ( 517308652.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-25)



    Kopparapu's Recent Venus for Star Kepler-25 distance : 1.122 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-25 distance : 1.421 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-25 distance : 1.373 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-25 distance : 1.504 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-25 distance : 2.482 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-25 distance : 2.618 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-25)



  • Original Kopparapu Recent Venus for Star Kepler-25 distance : 1.136 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-25 distance : 1.458 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-25 distance : 1.503 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-25 distance : 2.527 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-25 distance : 2.628 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-25)



    (Position in Stellar Map of star Kepler-25 )



    (Zoomed position in Stellar Map of star Kepler-25 (zoom level 3))

    (Synthetic Spectrum of star HD 221420*)
    *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