HD 103891

Display orbital revolution around the star HD 103891
Imaginary Picture of Star HD 103891
Star Name : HD 103891
Alternate Name :
Star Distance (LY/pc): 179.0596 (LY) 54.9000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 2.2000 (Rsun, estimated)
Stellar Mass (Msun): 1.2800 (Msun/observed) 1.2800 (Msun/estimated)
Spectral type : F9
Metalicity : -0.1900
Absolute Magnitude : 2.85
Apparent Magnitude : 6.55
Right Ascension(RA) : 179.43830
Declination(DEC) : -9.97333
  • This is the HD 103891 . The star HD 103891 islocated about 179.1 light-years (54.9 pc) away from our Solar System.
  • The star HD 103891 has apparent magnitude of 6.5, with absolute magnitude of 2.9.
  • It is 1.3 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 6072 with its spectral types of F9
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 103891 b radius 0.907830 mass 1.440000 orbital distance 3.270000
    (Illustration of the HD 103891's Planetary System)



    The Star HD 103891 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.757 AU ( 262871993.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.429 AU ( 363357792.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.701 AU ( 553676864.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.446 AU ( 814759760.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 103891)



    Kopparapu's Recent Venus for Star HD 103891 distance : 1.789 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 103891 distance : 2.266 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 103891 distance : 2.188 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 103891 distance : 2.398 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 103891 distance : 3.972 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 103891 distance : 4.190 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 103891)



  • Original Kopparapu Recent Venus for Star HD 103891 distance : 1.802 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 103891 distance : 2.326 AU
  • Original Kopparapu Moist Greenhouse for Star HD 103891 distance : 2.385 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103891 distance : 4.043 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 103891 distance : 4.205 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 103891)



    (Position in Stellar Map of star HD 103891 )



    (Zoomed position in Stellar Map of star HD 103891 (zoom level 3))

    (Synthetic Spectrum of star HD 34445*)
    *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