HATS-18

Display orbital revolution around the star HATS-18
Imaginary Picture of Star HATS-18
Star Name : HATS-18
Alternate Name :
Star Distance (LY/pc): 2103.7062 (LY) 645.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0200 (Rsun, estimated)
Stellar Mass (Msun): 1.0370 (Msun/observed) 1.0370 (Msun/estimated)
Spectral type : G
Metalicity : 0.2800
Absolute Magnitude : 4.95
Apparent Magnitude : 14.00
Right Ascension(RA) : 173.95740
Declination(DEC) : -29.15611
  • This is the HATS-18 . The star HATS-18 islocated about 2103.7 light-years (645.0 pc) away from our Solar System.
  • The star HATS-18 has apparent magnitude of 14.0, with absolute magnitude of 5.0.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5600 with its spectral types of G
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HATS-18 b radius 1.337000 mass 1.980000 orbital distance 0.017610
    (Illustration of the HATS-18's Planetary System)



    The Star HATS-18 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.693 AU ( 103665521.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.958 AU ( 143292842.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.460 AU ( 218346580.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.148 AU ( 321306559.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-18)



    Kopparapu's Recent Venus for Star HATS-18 distance : 0.726 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HATS-18 distance : 0.919 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HATS-18 distance : 0.888 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HATS-18 distance : 0.973 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HATS-18 distance : 1.631 AU
    Kopparapu's Outer Boundary for Early Mars for Star HATS-18 distance : 1.721 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-18)



  • Original Kopparapu Recent Venus for Star HATS-18 distance : 0.724 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-18 distance : 0.945 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-18 distance : 0.958 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-18 distance : 1.660 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-18 distance : 1.726 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-18)



    (Position in Stellar Map of star HATS-18 )



    (Zoomed position in Stellar Map of star HATS-18 (zoom level 3))

    (Synthetic Spectrum of star GQ Lup*)
    *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