TOI-640

Display orbital revolution around the star TOI-640
Imaginary Picture of Star TOI-640
Star Name : TOI-640
Alternate Name :
Star Distance (LY/pc): 1115.1274 (LY) 341.9000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 2.0820 (Rsun, estimated)
Stellar Mass (Msun): 1.5360 (Msun/observed) 1.5360 (Msun/estimated)
Spectral type : F7
Metalicity : 0.1740
Absolute Magnitude : 2.83
Apparent Magnitude : 10.50
Right Ascension(RA) : 99.73333
Declination(DEC) : -36.64611
  • This is the TOI-640 . The star TOI-640 islocated about 1115.1 light-years (341.9 pc) away from our Solar System.
  • The star TOI-640 has apparent magnitude of 10.5, with absolute magnitude of 2.8.
  • It is 1.5 times more massive and 2.1 times bigger compared with our Sun. The surface temperature is 6460 with its spectral types of F7
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-640 b radius 1.771000 mass 0.880000 orbital distance 0.066080
    (Illustration of the TOI-640's Planetary System)



    The Star TOI-640 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.882 AU ( 281581341.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.602 AU ( 389218999.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.965 AU ( 593083621.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.834 AU ( 872748531.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-640)



    Kopparapu's Recent Venus for Star TOI-640 distance : 1.872 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-640 distance : 2.371 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-640 distance : 2.290 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-640 distance : 2.508 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-640 distance : 4.127 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-640 distance : 4.353 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-640)



  • Original Kopparapu Recent Venus for Star TOI-640 distance : 1.902 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-640 distance : 2.431 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-640 distance : 2.517 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-640 distance : 4.202 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-640 distance : 4.370 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-640)



    (Position in Stellar Map of star TOI-640 )



    (Zoomed position in Stellar Map of star TOI-640 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1287*)
    *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