TOI-431

Display orbital revolution around the star TOI-431
Imaginary Picture of Star TOI-431
Star Name : TOI-431
Alternate Name : HIP 26013
Star Distance (LY/pc): 106.3595 (LY) 32.6100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7310 (Rsun, estimated)
Stellar Mass (Msun): 0.7800 (Msun/observed) 0.7800 (Msun/estimated)
Spectral type : K3
Metalicity : 0.2000
Absolute Magnitude : 6.55
Apparent Magnitude : 9.12
Right Ascension(RA) : 83.27083
Declination(DEC) : -26.72389
  • This is the TOI-431 . The star TOI-431 islocated about 106.4 light-years (32.6 pc) away from our Solar System.
  • The star TOI-431 has apparent magnitude of 9.1, with absolute magnitude of 6.6.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4850 with its spectral types of K3
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet TOI-431 b radius 0.114200 mass 0.009660 orbital distance 0.011300
  • Name of the 2 Planet TOI-431 c radius 1.049881 mass 2.840000 orbital distance 0.052000
  • Name of the 3 Planet TOI-431 d radius 0.293500 mass 0.031100 orbital distance 0.098000
    (Illustration of the TOI-431's Planetary System)



    The Star TOI-431 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.373 AU ( 55726140.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.515 AU ( 77028089.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.785 AU ( 117373761.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.155 AU ( 172720632.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-431)



    Kopparapu's Recent Venus for Star TOI-431 distance : 0.406 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-431 distance : 0.514 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-431 distance : 0.496 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-431 distance : 0.544 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-431 distance : 0.937 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-431 distance : 0.988 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-431)



  • Original Kopparapu Recent Venus for Star TOI-431 distance : 0.401 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-431 distance : 0.530 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-431 distance : 0.531 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-431 distance : 0.952 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-431 distance : 0.990 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-431)



    (Position in Stellar Map of star TOI-431 )



    (Zoomed position in Stellar Map of star TOI-431 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1275*)
    *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