TOI-186

Display orbital revolution around the star TOI-186
Imaginary Picture of Star TOI-186
Star Name : TOI-186
Alternate Name : "GJ 143, HD 21749"
Star Distance (LY/pc): 53.2539 (LY) 16.3277 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7300 (Rsun, estimated)
Stellar Mass (Msun): 0.7600 (Msun/observed) 0.7600 (Msun/estimated)
Spectral type : K4.5V
Metalicity : 0.0030
Absolute Magnitude : 7.24
Apparent Magnitude : 8.30
Right Ascension(RA) : 51.74676
Declination(DEC) : -63.49917
  • This is the TOI-186 . The star TOI-186 islocated about 53.3 light-years (16.3 pc) away from our Solar System.
  • The star TOI-186 has apparent magnitude of 8.3, with absolute magnitude of 7.2.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4640 with its spectral types of K4.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI 186.02 radius 0.079580 mass 0.011640 orbital distance 0.069500
    (Illustration of the TOI-186's Planetary System)



    The Star TOI-186 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.340 AU ( 50935073.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.471 AU ( 70405581.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.717 AU ( 107282526.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.055 AU ( 157870937.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-186)



    Kopparapu's Recent Venus for Star TOI-186 distance : 0.374 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-186 distance : 0.474 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-186 distance : 0.457 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-186 distance : 0.502 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-186 distance : 0.872 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-186 distance : 0.919 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-186)



  • Original Kopparapu Recent Venus for Star TOI-186 distance : 0.369 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-186 distance : 0.489 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-186 distance : 0.489 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-186 distance : 0.886 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-186 distance : 0.921 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-186)



    (Position in Stellar Map of star TOI-186 )



    (Zoomed position in Stellar Map of star TOI-186 (zoom level 3))

    (Synthetic Spectrum of star K2-136 A*)
    *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