TOI-871

Display orbital revolution around the star TOI-871
Imaginary Picture of Star TOI-871
Star Name : TOI-871
Alternate Name :
Star Distance (LY/pc): 221.9165 (LY) 68.0400 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7190 (Rsun, estimated)
Stellar Mass (Msun): 0.7580 (Msun/observed) 0.7580 (Msun/estimated)
Spectral type : K2
Metalicity : -0.0700
Absolute Magnitude : 6.44
Apparent Magnitude : 10.60
Right Ascension(RA) : 74.73750
Declination(DEC) : -50.62750
  • This is the TOI-871 . The star TOI-871 islocated about 221.9 light-years (68.0 pc) away from our Solar System.
  • The star TOI-871 has apparent magnitude of 10.6, with absolute magnitude of 6.4.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4929 with its spectral types of K2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-871 b radius 0.148100 mass 0.012000 orbital distance 0.105400
    (Illustration of the TOI-871's Planetary System)



    The Star TOI-871 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.378 AU ( 56611497.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.523 AU ( 78251883.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.797 AU ( 119238552.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.173 AU ( 175464754.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-871)



    Kopparapu's Recent Venus for Star TOI-871 distance : 0.411 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-871 distance : 0.520 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-871 distance : 0.502 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-871 distance : 0.551 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-871 distance : 0.945 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-871 distance : 0.997 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-871)



  • Original Kopparapu Recent Venus for Star TOI-871 distance : 0.406 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-871 distance : 0.536 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-871 distance : 0.537 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-871 distance : 0.961 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-871 distance : 0.999 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-871)



    (Position in Stellar Map of star TOI-871 )



    (Zoomed position in Stellar Map of star TOI-871 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1748*)
    *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