TOI-181

Display orbital revolution around the star TOI-181
Imaginary Picture of Star TOI-181
Star Name : TOI-181
Alternate Name :
Star Distance (LY/pc): 313.8723 (LY) 96.2338 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7400 (Rsun, estimated)
Stellar Mass (Msun): 0.7810 (Msun/observed) 0.7810 (Msun/estimated)
Spectral type : K2
Metalicity : 0.2720
Absolute Magnitude : 6.28
Apparent Magnitude : 11.20
Right Ascension(RA) : 352.17254
Declination(DEC) : -34.49141
  • This is the TOI-181 . The star TOI-181 islocated about 313.9 light-years (96.2 pc) away from our Solar System.
  • The star TOI-181 has apparent magnitude of 11.2, with absolute magnitude of 6.3.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4994 with its spectral types of K2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-181 b radius 0.618300 mass 0.130000 orbital distance 0.055780
    (Illustration of the TOI-181's Planetary System)



    The Star TOI-181 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.400 AU ( 59811804.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.553 AU ( 82675545.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.842 AU ( 125979234.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.239 AU ( 185383962.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-181)



    Kopparapu's Recent Venus for Star TOI-181 distance : 0.433 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-181 distance : 0.548 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-181 distance : 0.529 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-181 distance : 0.580 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-181 distance : 0.993 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-181 distance : 1.047 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-181)



  • Original Kopparapu Recent Venus for Star TOI-181 distance : 0.428 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-181 distance : 0.564 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-181 distance : 0.566 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-181 distance : 1.010 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-181 distance : 1.050 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-181)



    (Position in Stellar Map of star TOI-181 )



    (Zoomed position in Stellar Map of star TOI-181 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1656*)
    *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