HD 205521

Display orbital revolution around the star HD 205521
Imaginary Picture of Star HD 205521
Star Name : HD 205521
Alternate Name :
Star Distance (LY/pc): 155.6743 (LY) 47.7300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8904 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 1.1190 (Msun/estimated)
Spectral type : G5
Metalicity : 0.0000
Absolute Magnitude : 4.61
Apparent Magnitude : 8.00
Right Ascension(RA) : 321.74583
Declination(DEC) : 1.74250
  • This is the HD 205521 . The star HD 205521 islocated about 155.7 light-years (47.7 pc) away from our Solar System.
  • The star HD 205521 has apparent magnitude of 8.0, with absolute magnitude of 4.6.
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 205521 b radius 0.907830 mass 26.620000 orbital distance 3.260000
    (Illustration of the HD 205521's Planetary System)



    The Star HD 205521 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.618 AU ( 92443124.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.854 AU ( 127780556.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.302 AU ( 194709290.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.915 AU ( 286523251.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 205521)



    Kopparapu's Recent Venus for Star HD 205521 distance : 0.645 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 205521 distance : 0.817 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 205521 distance : 0.789 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 205521 distance : 0.865 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 205521 distance : 1.447 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 205521 distance : 1.526 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 205521)



  • Original Kopparapu Recent Venus for Star HD 205521 distance : 0.644 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 205521 distance : 0.840 AU
  • Original Kopparapu Moist Greenhouse for Star HD 205521 distance : 0.853 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 205521 distance : 1.472 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 205521 distance : 1.531 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 205521)



    (Position in Stellar Map of star HD 205521 )



    (Zoomed position in Stellar Map of star HD 205521 (zoom level 3))

    (Synthetic Spectrum of star HD 106906 (AB)*)
    *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