HD 220842 A

Display orbital revolution around the star HD 220842 A
Imaginary Picture of Star HD 220842 A
Star Name : HD 220842 A
Alternate Name : HD 220842
Star Distance (LY/pc): 212.2030 (LY) 65.0618 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0878 (Rsun, estimated)
Stellar Mass (Msun): 1.1300 (Msun/observed) 1.1300 (Msun/estimated)
Spectral type : F8
Metalicity : -0.1700
Absolute Magnitude : 3.92
Apparent Magnitude : 7.99
Right Ascension(RA) : 351.65412
Declination(DEC) : 56.88667
  • This is the HD 220842 A . The star HD 220842 A islocated about 212.2 light-years (65.1 pc) away from our Solar System.
  • The star HD 220842 A has apparent magnitude of 8.0, with absolute magnitude of 3.9.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5920 with its spectral types of F8
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 220842 A b radius 0.907830 mass 3.180000 orbital distance 0.740000
    (Illustration of the HD 220842 A's Planetary System)



    The Star HD 220842 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.826 AU ( 123554504.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.142 AU ( 170784614.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.740 AU ( 260237957.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.560 AU ( 382951554.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 220842 A)



    Kopparapu's Recent Venus for Star HD 220842 A distance : 0.879 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 220842 A distance : 1.114 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 220842 A distance : 1.076 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 220842 A distance : 1.179 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 220842 A distance : 1.959 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 220842 A distance : 2.067 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 220842 A)



  • Original Kopparapu Recent Venus for Star HD 220842 A distance : 0.883 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 220842 A distance : 1.144 AU
  • Original Kopparapu Moist Greenhouse for Star HD 220842 A distance : 1.168 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 220842 A distance : 1.994 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 220842 A distance : 2.074 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 220842 A)



    (Position in Stellar Map of star HD 220842 A )



    (Zoomed position in Stellar Map of star HD 220842 A (zoom level 3))

    (Synthetic Spectrum of star HD 112640*)
    *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