HD 17156

Display orbital revolution around the star HD 17156
Imaginary Picture of Star HD 17156
Star Name : HD 17156
Alternate Name :
Star Distance (LY/pc): 260.3001 (LY) 79.8085 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5080 (Rsun, estimated)
Stellar Mass (Msun): 1.2750 (Msun/observed) 1.2750 (Msun/estimated)
Spectral type : G0
Metalicity : 0.2400
Absolute Magnitude : 3.66
Apparent Magnitude : 8.17
Right Ascension(RA) : 42.43537
Declination(DEC) : 71.75333
  • This is the HD 17156 . The star HD 17156 islocated about 260.3 light-years (79.8 pc) away from our Solar System.
  • The star HD 17156 has apparent magnitude of 8.2, with absolute magnitude of 3.7.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6079 with its spectral types of G0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 17156 b radius 1.095000 mass 3.195000 orbital distance 0.162300
    (Illustration of the HD 17156's Planetary System)



    The Star HD 17156 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.207 AU ( 180602492.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.669 AU ( 249639842.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.543 AU ( 380395874.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.742 AU ( 559769193.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 17156)



    Kopparapu's Recent Venus for Star HD 17156 distance : 1.229 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 17156 distance : 1.556 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 17156 distance : 1.503 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 17156 distance : 1.647 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.728 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 17156 distance : 2.877 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 17156)



  • Original Kopparapu Recent Venus for Star HD 17156 distance : 1.238 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 17156 distance : 1.597 AU
  • Original Kopparapu Moist Greenhouse for Star HD 17156 distance : 1.638 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.776 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 17156 distance : 2.887 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 17156)



    (Position in Stellar Map of star HD 17156 )



    (Zoomed position in Stellar Map of star HD 17156 (zoom level 3))

    (Synthetic Spectrum of star HATS-58A*)
    *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