HD 9174

Display orbital revolution around the star HD 9174
Imaginary Picture of Star HD 9174
Star Name : HD 9174
Alternate Name :
Star Distance (LY/pc): 264.3079 (LY) 81.0373 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.6700 (Rsun, estimated)
Stellar Mass (Msun): 1.0300 (Msun/observed) 1.0300 (Msun/estimated)
Spectral type : G8IV
Metalicity : 0.3900
Absolute Magnitude : 3.86
Apparent Magnitude : 8.40
Right Ascension(RA) : 22.50418
Declination(DEC) : -19.60444
  • This is the HD 9174 . The star HD 9174 islocated about 264.3 light-years (81.0 pc) away from our Solar System.
  • The star HD 9174 has apparent magnitude of 8.4, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5577 with its spectral types of G8IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 9174 b radius 0.907830 mass 1.110000 orbital distance 2.200000
    (Illustration of the HD 9174's Planetary System)



    The Star HD 9174 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.125 AU ( 168335561.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.555 AU ( 232683737.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.370 AU ( 354558523.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.488 AU ( 521748399.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 9174)



    Kopparapu's Recent Venus for Star HD 9174 distance : 1.180 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 9174 distance : 1.495 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 9174 distance : 1.443 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 9174 distance : 1.583 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 9174 distance : 2.654 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 9174 distance : 2.800 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 9174)



  • Original Kopparapu Recent Venus for Star HD 9174 distance : 1.177 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 9174 distance : 1.537 AU
  • Original Kopparapu Moist Greenhouse for Star HD 9174 distance : 1.558 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 9174 distance : 2.700 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 9174 distance : 2.808 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 9174)



    (Position in Stellar Map of star HD 9174 )



    (Zoomed position in Stellar Map of star HD 9174 (zoom level 3))

    (Synthetic Spectrum of star HATS-8*)
    *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