Kepler-457

Display orbital revolution around the star Kepler-457
Imaginary Picture of Star Kepler-457
Star Name : Kepler-457
Alternate Name : "WISE J184930.60+444140.4, 2MASS J18493060+4441405 , KIC 8540376 "
Star Distance (LY/pc): 3505.9226 (LY) 1074.9220 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2600 (Rsun, estimated)
Stellar Mass (Msun): 1.0400 (Msun/observed) 1.0400 (Msun/estimated)
Spectral type : F7
Metalicity : -0.1600
Absolute Magnitude : 3.10
Apparent Magnitude : 13.26
Right Ascension(RA) : 282.37754
Declination(DEC) : 44.69459
  • This is the Kepler-457 . The star Kepler-457 islocated about 3505.9 light-years (1074.9 pc) away from our Solar System.
  • The star Kepler-457 has apparent magnitude of 13.3, with absolute magnitude of 3.1.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6474 with its spectral types of F7
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-457 b radius 0.210000 mass 0.018396 orbital distance 0.161000
  • Name of the 2 Planet Kepler-457 c radius 0.210000 mass 0.018396 orbital distance 0.000000
    (Illustration of the Kepler-457's Planetary System)



    The Star Kepler-457 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.144 AU ( 171148874.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.581 AU ( 236572471.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.410 AU ( 360484092.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.546 AU ( 530468134.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-457)



    Kopparapu's Recent Venus for Star Kepler-457 distance : 1.137 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-457 distance : 1.440 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-457 distance : 1.391 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-457 distance : 1.523 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-457 distance : 2.506 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-457 distance : 2.643 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-457)



  • Original Kopparapu Recent Venus for Star Kepler-457 distance : 1.156 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-457 distance : 1.476 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-457 distance : 1.529 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-457 distance : 2.551 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-457 distance : 2.653 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-457)



    (Position in Stellar Map of star Kepler-457 )



    (Zoomed position in Stellar Map of star Kepler-457 (zoom level 3))

    (Synthetic Spectrum of star Kepler-60*)
    *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