HD 205739

Display orbital revolution around the star HD 205739
Imaginary Picture of Star HD 205739
Star Name : HD 205739
Alternate Name :
Star Distance (LY/pc): 303.9664 (LY) 93.1966 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3300 (Rsun, estimated)
Stellar Mass (Msun): 1.2200 (Msun/observed) 1.2200 (Msun/estimated)
Spectral type : F7V
Metalicity : 0.1900
Absolute Magnitude : 3.71
Apparent Magnitude : 8.56
Right Ascension(RA) : 324.53502
Declination(DEC) : -31.73750
  • This is the HD 205739 . The star HD 205739 islocated about 304.0 light-years (93.2 pc) away from our Solar System.
  • The star HD 205739 has apparent magnitude of 8.6, with absolute magnitude of 3.7.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6176 with its spectral types of F7V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 205739 b radius 0.907830 mass 1.370000 orbital distance 0.896000
    (Illustration of the HD 205739's Planetary System)



    The Star HD 205739 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.099 AU ( 164408523.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.519 AU ( 227255544.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.315 AU ( 346287157.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.406 AU ( 509576722.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 205739)



    Kopparapu's Recent Venus for Star HD 205739 distance : 1.112 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 205739 distance : 1.408 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 205739 distance : 1.360 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 205739 distance : 1.490 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 205739 distance : 2.463 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 205739 distance : 2.598 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 205739)



  • Original Kopparapu Recent Venus for Star HD 205739 distance : 1.123 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 205739 distance : 1.445 AU
  • Original Kopparapu Moist Greenhouse for Star HD 205739 distance : 1.485 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 205739 distance : 2.508 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 205739 distance : 2.608 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 205739)



    (Position in Stellar Map of star HD 205739 )



    (Zoomed position in Stellar Map of star HD 205739 (zoom level 3))

    (Synthetic Spectrum of star HD 104067*)
    *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