HD 20782

Display orbital revolution around the star HD 20782
Imaginary Picture of Star HD 20782
Star Name : HD 20782
Alternate Name :
Star Distance (LY/pc): 116.9437 (LY) 35.8551 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0000 (Rsun, estimated)
Stellar Mass (Msun): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G2 V
Metalicity : -0.0500
Absolute Magnitude : 4.61
Apparent Magnitude : 7.38
Right Ascension(RA) : 50.01491
Declination(DEC) : -28.85389
  • This is the HD 20782 . The star HD 20782 islocated about 116.9 light-years (35.9 pc) away from our Solar System.
  • The star HD 20782 has apparent magnitude of 7.4, with absolute magnitude of 4.6.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5578 with its spectral types of G2 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 20782 b radius 0.907830 mass 1.900000 orbital distance 1.381000
    (Illustration of the HD 20782's Planetary System)



    The Star HD 20782 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.674 AU ( 100835889.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.932 AU ( 139381550.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.420 AU ( 212386637.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.089 AU ( 312536241.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 20782)



    Kopparapu's Recent Venus for Star HD 20782 distance : 0.759 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 20782 distance : 0.961 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 20782 distance : 0.928 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 20782 distance : 1.017 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 20782 distance : 1.706 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 20782 distance : 1.799 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 20782)



  • Original Kopparapu Recent Venus for Star HD 20782 distance : 0.757 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 20782 distance : 0.988 AU
  • Original Kopparapu Moist Greenhouse for Star HD 20782 distance : 1.001 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 20782 distance : 1.736 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 20782 distance : 1.805 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 20782)



    (Position in Stellar Map of star HD 20782 )



    (Zoomed position in Stellar Map of star HD 20782 (zoom level 3))

    (Synthetic Spectrum of star HATS-43*)
    *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