TOI-238

Display orbital revolution around the star TOI-238
Imaginary Picture of Star TOI-238
Star Name : TOI-238
Alternate Name :
Star Distance (LY/pc): 262.6534 (LY) 80.5300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7500 (Rsun, estimated)
Stellar Mass (Msun): 0.7880 (Msun/observed) 0.7880 (Msun/estimated)
Spectral type : K1
Metalicity : -0.0500
Absolute Magnitude : 6.17
Apparent Magnitude : 10.70
Right Ascension(RA) : 349.22917
Declination(DEC) : -18.60667
  • This is the TOI-238 . The star TOI-238 islocated about 262.7 light-years (80.5 pc) away from our Solar System.
  • The star TOI-238 has apparent magnitude of 10.7, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5080 with its spectral types of K1
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-238 b radius 0.143810 mass 0.011300 orbital distance 0.021200
  • Name of the 2 Planet TOI-238 c radius 0.194500 mass 0.021100 orbital distance 0.074900
    (Illustration of the TOI-238's Planetary System)



    The Star TOI-238 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.419 AU ( 62725885.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.580 AU ( 86703565.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.883 AU ( 132117047.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.300 AU ( 194416022.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-238)



    Kopparapu's Recent Venus for Star TOI-238 distance : 0.452 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-238 distance : 0.572 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-238 distance : 0.553 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-238 distance : 0.606 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-238 distance : 1.034 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-238 distance : 1.090 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-238)



  • Original Kopparapu Recent Venus for Star TOI-238 distance : 0.447 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-238 distance : 0.589 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-238 distance : 0.592 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-238 distance : 1.051 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-238 distance : 1.093 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-238)



    (Position in Stellar Map of star TOI-238 )



    (Zoomed position in Stellar Map of star TOI-238 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1662*)
    *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