HD 103949

Display orbital revolution around the star HD 103949
Imaginary Picture of Star HD 103949
Star Name : HD 103949
Alternate Name :
Star Distance (LY/pc): 86.4966 (LY) 26.5200 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6591 (Rsun, estimated)
Stellar Mass (Msun): 0.7700 (Msun/observed) 0.7700 (Msun/estimated)
Spectral type : K3V
Metalicity : 0.0000
Absolute Magnitude : 19.88
Apparent Magnitude : 22.00
Right Ascension(RA) : 179.55000
Declination(DEC) : -23.92000
  • This is the HD 103949 . The star HD 103949 islocated about 86.5 light-years (26.5 pc) away from our Solar System.
  • The star HD 103949 has apparent magnitude of 22.0, with absolute magnitude of 19.9.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4792 with its spectral types of K3V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 103949 b radius 0.201721 mass 0.035200 orbital distance 0.439000
    (Illustration of the HD 103949's Planetary System)



    The Star HD 103949 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.328 AU ( 49053821.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.453 AU ( 67805200.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.691 AU ( 103320121.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.016 AU ( 152040084.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 103949)



    Kopparapu's Recent Venus for Star HD 103949 distance : 0.387 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 103949 distance : 0.490 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 103949 distance : 0.473 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 103949 distance : 0.519 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 103949 distance : 0.896 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 103949 distance : 0.945 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 103949)



  • Original Kopparapu Recent Venus for Star HD 103949 distance : 0.382 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 103949 distance : 0.505 AU
  • Original Kopparapu Moist Greenhouse for Star HD 103949 distance : 0.506 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103949 distance : 0.910 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 103949 distance : 0.947 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 103949)



    (Position in Stellar Map of star HD 103949 )



    (Zoomed position in Stellar Map of star HD 103949 (zoom level 3))

    (Synthetic Spectrum of star HD 33283*)
    *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