TOI-157

Display orbital revolution around the star TOI-157
Imaginary Picture of Star TOI-157
Star Name : TOI-157
Alternate Name :
Star Distance (LY/pc): 1181.0109 (LY) 362.1000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1670 (Rsun, estimated)
Stellar Mass (Msun): 0.9480 (Msun/observed) 0.9480 (Msun/estimated)
Spectral type : G9IV
Metalicity : 0.2400
Absolute Magnitude : 4.91
Apparent Magnitude : 12.70
Right Ascension(RA) : 73.70000
Declination(DEC) : -76.68056
  • This is the TOI-157 . The star TOI-157 islocated about 1181.0 light-years (362.1 pc) away from our Solar System.
  • The star TOI-157 has apparent magnitude of 12.7, with absolute magnitude of 4.9.
  • It is 0.9 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5404 with its spectral types of G9IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-157 b radius 1.286000 mass 1.180000 orbital distance 0.031800
    (Illustration of the TOI-157's Planetary System)



    The Star TOI-157 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.738 AU ( 110448456.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.021 AU ( 152668629.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.555 AU ( 232633206.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.288 AU ( 342329954.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-157)



    Kopparapu's Recent Venus for Star TOI-157 distance : 0.782 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-157 distance : 0.990 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-157 distance : 0.956 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-157 distance : 1.049 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-157 distance : 1.768 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-157 distance : 1.865 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-157)



  • Original Kopparapu Recent Venus for Star TOI-157 distance : 0.778 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-157 distance : 1.019 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-157 distance : 1.029 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-157 distance : 1.799 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-157 distance : 1.871 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-157)



    (Position in Stellar Map of star TOI-157 )



    (Zoomed position in Stellar Map of star TOI-157 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1647 (AB)*)
    *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