TOI-4438

Display orbital revolution around the star TOI-4438
Imaginary Picture of Star TOI-4438
Star Name : TOI-4438
Alternate Name :
Star Distance (LY/pc): 98.0500 (LY) 30.0623 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3720 (Rsun, estimated)
Stellar Mass (Msun): 0.3680 (Msun/observed) 0.3680 (Msun/estimated)
Spectral type : M5
Metalicity : -0.1900
Absolute Magnitude : 10.61
Apparent Magnitude : 13.00
Right Ascension(RA) : 270.31725
Declination(DEC) : 35.59489
  • This is the TOI-4438 . The star TOI-4438 islocated about 98.0 light-years (30.1 pc) away from our Solar System.
  • The star TOI-4438 has apparent magnitude of 13.0, with absolute magnitude of 10.6.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3422 with its spectral types of M5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-4438 b radius 0.224800 mass 0.017000 orbital distance 0.053400
    (Illustration of the TOI-4438's Planetary System)



    The Star TOI-4438 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.094 AU ( 14117606.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.130 AU ( 19514221.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.199 AU ( 29735354.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.292 AU ( 43756876.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-4438)



    Kopparapu's Recent Venus for Star TOI-4438 distance : 0.107 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-4438 distance : 0.135 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-4438 distance : 0.130 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-4438 distance : 0.143 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-4438 distance : 0.264 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-4438 distance : 0.278 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-4438)



  • Original Kopparapu Recent Venus for Star TOI-4438 distance : 0.106 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-4438 distance : 0.140 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-4438 distance : 0.140 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4438 distance : 0.268 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-4438 distance : 0.279 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-4438)



    (Position in Stellar Map of star TOI-4438 )



    (Zoomed position in Stellar Map of star TOI-4438 (zoom level 3))

    (Synthetic Spectrum of star K2-80*)
    *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