HD 221585

Display orbital revolution around the star HD 221585
Imaginary Picture of Star HD 221585
Star Name : HD 221585
Alternate Name :
Star Distance (LY/pc): 181.1978 (LY) 55.5556 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1284 (Rsun, estimated)
Stellar Mass (Msun): 1.1900 (Msun/observed) 1.1900 (Msun/estimated)
Spectral type : G8IV
Metalicity : 0.2900
Absolute Magnitude : 3.75
Apparent Magnitude : 7.47
Right Ascension(RA) : 353.22519
Declination(DEC) : 63.15548
  • This is the HD 221585 . The star HD 221585 islocated about 181.2 light-years (55.6 pc) away from our Solar System.
  • The star HD 221585 has apparent magnitude of 7.5, with absolute magnitude of 3.8.
  • It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5620 with its spectral types of G8IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 221585 b radius 0.907830 mass 1.610000 orbital distance 2.306000
    (Illustration of the HD 221585's Planetary System)



    The Star HD 221585 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.772 AU ( 115498273.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.067 AU ( 159648796.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.626 AU ( 243269436.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.393 AU ( 357981632.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 221585)



    Kopparapu's Recent Venus for Star HD 221585 distance : 0.540 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 221585 distance : 0.684 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 221585 distance : 0.661 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 221585 distance : 0.725 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 221585 distance : 1.214 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 221585 distance : 1.280 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 221585)



  • Original Kopparapu Recent Venus for Star HD 221585 distance : 0.539 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 221585 distance : 0.704 AU
  • Original Kopparapu Moist Greenhouse for Star HD 221585 distance : 0.714 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 221585 distance : 1.235 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 221585 distance : 1.284 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 221585)



    (Position in Stellar Map of star HD 221585 )



    (Zoomed position in Stellar Map of star HD 221585 (zoom level 3))

    (Synthetic Spectrum of star HD 125612*)
    *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