TOI-139

Display orbital revolution around the star TOI-139
Imaginary Picture of Star TOI-139
Star Name : TOI-139
Alternate Name :
Star Distance (LY/pc): 138.3100 (LY) 42.4061 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7000 (Rsun, estimated)
Stellar Mass (Msun): 0.6900 (Msun/observed) 0.6900 (Msun/estimated)
Spectral type : K5
Metalicity : 0.0000
Absolute Magnitude : 7.46
Apparent Magnitude : 10.60
Right Ascension(RA) : 336.40417
Declination(DEC) : -34.90972
  • This is the TOI-139 . The star TOI-139 islocated about 138.3 light-years (42.4 pc) away from our Solar System.
  • The star TOI-139 has apparent magnitude of 10.6, with absolute magnitude of 7.5.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4405 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-139 b radius 0.219200 mass 6.611900 orbital distance 0.000000
    (Illustration of the TOI-139's Planetary System)



    The Star TOI-139 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.294 AU ( 44019791.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.407 AU ( 60846855.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.620 AU ( 92717141.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.912 AU ( 136437335.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-139)



    Kopparapu's Recent Venus for Star TOI-139 distance : 0.326 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-139 distance : 0.413 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-139 distance : 0.399 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-139 distance : 0.437 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-139 distance : 0.768 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-139 distance : 0.810 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-139)



  • Original Kopparapu Recent Venus for Star TOI-139 distance : 0.322 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-139 distance : 0.426 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-139 distance : 0.426 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-139 distance : 0.780 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-139 distance : 0.812 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-139)



    (Position in Stellar Map of star TOI-139 )



    (Zoomed position in Stellar Map of star TOI-139 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1644*)
    *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