HD 219828

Display orbital revolution around the star HD 219828
Imaginary Picture of Star HD 219828
Star Name : HD 219828
Alternate Name :
Star Distance (LY/pc): 264.5125 (LY) 81.1000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7000 (Rsun, estimated)
Stellar Mass (Msun): 1.2400 (Msun/observed) 1.2400 (Msun/estimated)
Spectral type : G0IV
Metalicity : 0.1900
Absolute Magnitude : 3.49
Apparent Magnitude : 8.04
Right Ascension(RA) : 349.69473
Declination(DEC) : 18.64583
  • This is the HD 219828 . The star HD 219828 islocated about 264.5 light-years (81.1 pc) away from our Solar System.
  • The star HD 219828 has apparent magnitude of 8.0, with absolute magnitude of 3.5.
  • It is 1.2 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5891 with its spectral types of G0IV
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 219828 b radius 0.233180 mass 0.066100 orbital distance 0.045000
  • Name of the 2 Planet HD 219828 c radius 0.907830 mass 15.100000 orbital distance 5.960000
    (Illustration of the HD 219828's Planetary System)



    The Star HD 219828 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.278 AU ( 191198763.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.767 AU ( 264286657.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.692 AU ( 402714379.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.961 AU ( 592611850.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 219828)



    Kopparapu's Recent Venus for Star HD 219828 distance : 1.316 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 219828 distance : 1.666 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 219828 distance : 1.609 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 219828 distance : 1.764 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 219828 distance : 2.934 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 219828 distance : 3.094 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 219828)



  • Original Kopparapu Recent Venus for Star HD 219828 distance : 1.320 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 219828 distance : 1.711 AU
  • Original Kopparapu Moist Greenhouse for Star HD 219828 distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219828 distance : 2.985 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 219828 distance : 3.105 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 219828)



    (Position in Stellar Map of star HD 219828 )



    (Zoomed position in Stellar Map of star HD 219828 (zoom level 3))

    (Synthetic Spectrum of star HD 111232*)
    *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