HD 77338

Display orbital revolution around the star HD 77338
Imaginary Picture of Star HD 77338
Star Name : HD 77338
Alternate Name :
Star Distance (LY/pc): 149.2705 (LY) 45.7666 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8800 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : K0IV
Metalicity : 0.3500
Absolute Magnitude : 5.33
Apparent Magnitude : 8.63
Right Ascension(RA) : 135.30206
Declination(DEC) : -25.52690
  • This is the HD 77338 . The star HD 77338 islocated about 149.3 light-years (45.8 pc) away from our Solar System.
  • The star HD 77338 has apparent magnitude of 8.6, with absolute magnitude of 5.3.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5370 with its spectral types of K0IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 77338 b radius 1.049989 mass 0.500000 orbital distance 0.061400
    (Illustration of the HD 77338's Planetary System)



    The Star HD 77338 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.550 AU ( 82241184.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.760 AU ( 113678809.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.158 AU ( 173221347.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.704 AU ( 254902801.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 77338)



    Kopparapu's Recent Venus for Star HD 77338 distance : 0.583 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 77338 distance : 0.739 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 77338 distance : 0.714 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 77338 distance : 0.783 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 77338 distance : 1.321 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 77338 distance : 1.393 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 77338)



  • Original Kopparapu Recent Venus for Star HD 77338 distance : 0.580 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 77338 distance : 0.760 AU
  • Original Kopparapu Moist Greenhouse for Star HD 77338 distance : 0.767 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 77338 distance : 1.343 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 77338 distance : 1.397 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 77338)



    (Position in Stellar Map of star HD 77338 )



    (Zoomed position in Stellar Map of star HD 77338 (zoom level 3))

    (Synthetic Spectrum of star HD 16702*)
    *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