HD 38677

Display orbital revolution around the star HD 38677
Imaginary Picture of Star HD 38677
Star Name : HD 38677
Alternate Name :
Star Distance (LY/pc): 204.3418 (LY) 62.6515 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2600 (Rsun, estimated)
Stellar Mass (Msun): 1.2100 (Msun/observed) 1.2100 (Msun/estimated)
Spectral type : F8V
Metalicity : 0.0000
Absolute Magnitude : 4.02
Apparent Magnitude : 8.00
Right Ascension(RA) : 86.77611
Declination(DEC) : -10.63028
  • This is the HD 38677 . The star HD 38677 islocated about 204.3 light-years (62.7 pc) away from our Solar System.
  • The star HD 38677 has apparent magnitude of 8.0, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6196 with its spectral types of F8V
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet HD 38677 b radius 0.241049 mass 0.076360 orbital distance 0.146200
  • Name of the 2 Planet HD 38677 c radius 0.161840 mass 0.030200 orbital distance 0.073300
  • Name of the 3 Planet HD 38677 d radius 0.124280 mass 0.010540 orbital distance 0.042200
  • Name of the 4 Planet HD 38677 e radius 0.131230 mass 0.012990 orbital distance 0.065100
    (Illustration of the HD 38677's Planetary System)



    The Star HD 38677 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.048 AU ( 156765855.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.448 AU ( 216691379.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.207 AU ( 330189708.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.248 AU ( 485888621.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 38677)



    Kopparapu's Recent Venus for Star HD 38677 distance : 1.059 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 38677 distance : 1.341 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 38677 distance : 1.295 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 38677 distance : 1.419 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 38677 distance : 2.345 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 38677 distance : 2.473 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 38677)



  • Original Kopparapu Recent Venus for Star HD 38677 distance : 1.070 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 38677 distance : 1.376 AU
  • Original Kopparapu Moist Greenhouse for Star HD 38677 distance : 1.415 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 38677 distance : 2.387 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 38677 distance : 2.483 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 38677)



    (Position in Stellar Map of star HD 38677 )



    (Zoomed position in Stellar Map of star HD 38677 (zoom level 3))

    (Synthetic Spectrum of star HD 4113 A*)
    *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