KOI-4777

Display orbital revolution around the star KOI-4777
Imaginary Picture of Star KOI-4777
Star Name : KOI-4777
Alternate Name :
Star Distance (LY/pc): 556.6178 (LY) 170.6600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4000 (Rsun, estimated)
Stellar Mass (Msun): 0.4100 (Msun/observed) 0.4100 (Msun/estimated)
Spectral type : M4
Metalicity : 0.1000
Absolute Magnitude : 10.84
Apparent Magnitude : 17.00
Right Ascension(RA) : 287.26250
Declination(DEC) : 42.03222
  • This is the KOI-4777 . The star KOI-4777 islocated about 556.6 light-years (170.7 pc) away from our Solar System.
  • The star KOI-4777 has apparent magnitude of 17.0, with absolute magnitude of 10.8.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3515 with its spectral types of M4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet KOI-4777 radius 0.045500 mass 0.001070 orbital distance 0.008000
    (Illustration of the KOI-4777's Planetary System)



    The Star KOI-4777 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.107 AU ( 16016542.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.148 AU ( 22139047.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.226 AU ( 33735008.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.332 AU ( 49642542.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-4777)



    Kopparapu's Recent Venus for Star KOI-4777 distance : 0.121 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KOI-4777 distance : 0.153 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KOI-4777 distance : 0.148 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KOI-4777 distance : 0.162 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KOI-4777 distance : 0.298 AU
    Kopparapu's Outer Boundary for Early Mars for Star KOI-4777 distance : 0.314 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-4777)



  • Original Kopparapu Recent Venus for Star KOI-4777 distance : 0.120 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-4777 distance : 0.158 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-4777 distance : 0.159 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-4777 distance : 0.302 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-4777 distance : 0.314 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-4777)



    (Position in Stellar Map of star KOI-4777 )



    (Zoomed position in Stellar Map of star KOI-4777 (zoom level 3))

    (Synthetic Spectrum of star HD 208487*)
    *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