HD 109271

Display orbital revolution around the star HD 109271
Imaginary Picture of Star HD 109271
Star Name : HD 109271
Alternate Name :
Star Distance (LY/pc): 185.0006 (LY) 56.7215 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0318 (Rsun, estimated)
Stellar Mass (Msun): 1.0470 (Msun/observed) 1.0470 (Msun/estimated)
Spectral type : G5V
Metalicity : 0.1000
Absolute Magnitude : 4.28
Apparent Magnitude : 8.05
Right Ascension(RA) : 188.40000
Declination(DEC) : -11.62190
  • This is the HD 109271 . The star HD 109271 islocated about 185.0 light-years (56.7 pc) away from our Solar System.
  • The star HD 109271 has apparent magnitude of 8.1, with absolute magnitude of 4.3.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5783 with its spectral types of G5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 109271 b radius 0.222585 mass 0.054000 orbital distance 0.079000
  • Name of the 2 Planet HD 109271 c radius 0.240787 mass 0.076000 orbital distance 0.196000
    (Illustration of the HD 109271's Planetary System)



    The Star HD 109271 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.748 AU ( 111825052.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.033 AU ( 154571446.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.574 AU ( 235532677.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.317 AU ( 346596652.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 109271)



    Kopparapu's Recent Venus for Star HD 109271 distance : 0.640 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 109271 distance : 0.811 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 109271 distance : 0.783 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 109271 distance : 0.859 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 109271 distance : 1.432 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 109271 distance : 1.510 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 109271)



  • Original Kopparapu Recent Venus for Star HD 109271 distance : 0.641 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 109271 distance : 0.833 AU
  • Original Kopparapu Moist Greenhouse for Star HD 109271 distance : 0.848 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 109271 distance : 1.457 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 109271 distance : 1.515 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 109271)



    (Position in Stellar Map of star HD 109271 )



    (Zoomed position in Stellar Map of star HD 109271 (zoom level 3))

    (Synthetic Spectrum of star HD 38529*)
    *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