Kepler-644

Display orbital revolution around the star Kepler-644
Imaginary Picture of Star Kepler-644
Star Name : Kepler-644
Alternate Name : "2MASS J19415417+4329352, KIC 7764367, KOI-685, WISE J194154.16+432934.9"
Star Distance (LY/pc): 4608.5843 (LY) 1413.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.8100 (Rsun, estimated)
Stellar Mass (Msun): 1.4900 (Msun/observed) 1.4900 (Msun/estimated)
Spectral type : F4
Metalicity : 0.0800
Absolute Magnitude : 2.17
Apparent Magnitude : 12.92
Right Ascension(RA) : 295.47574
Declination(DEC) : 43.49314
  • This is the Kepler-644 . The star Kepler-644 islocated about 4608.6 light-years (1413.0 pc) away from our Solar System.
  • The star Kepler-644 has apparent magnitude of 12.9, with absolute magnitude of 2.2.
  • It is 1.5 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6747 with its spectral types of F4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-644 b radius 0.281000 mass 0.024119 orbital distance 0.000000
    (Illustration of the Kepler-644's Planetary System)



    The Star Kepler-644 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.785 AU ( 267028802.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.467 AU ( 369103587.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.760 AU ( 562432185.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.532 AU ( 827643598.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-644)



    Kopparapu's Recent Venus for Star Kepler-644 distance : 1.747 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-644 distance : 2.213 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-644 distance : 2.137 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-644 distance : 2.339 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-644 distance : 3.836 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-644 distance : 4.046 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-644)



  • Original Kopparapu Recent Venus for Star Kepler-644 distance : 1.786 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-644 distance : 2.266 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-644 distance : 2.364 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-644 distance : 3.906 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-644 distance : 4.062 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-644)



    (Position in Stellar Map of star Kepler-644 )



    (Zoomed position in Stellar Map of star Kepler-644 (zoom level 3))

    (Synthetic Spectrum of star Kepler-108*)
    *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