HD 40956

Display orbital revolution around the star HD 40956
Imaginary Picture of Star HD 40956
Star Name : HD 40956
Alternate Name :
Star Distance (LY/pc): 384.8641 (LY) 118.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 8.5600 (Rsun, estimated)
Stellar Mass (Msun): 2.0000 (Msun/observed) 2.0000 (Msun/estimated)
Spectral type : K0
Metalicity : 0.1400
Absolute Magnitude : 1.24
Apparent Magnitude : 6.60
Right Ascension(RA) : 91.66314
Declination(DEC) : 63.45389
  • This is the HD 40956 . The star HD 40956 islocated about 384.9 light-years (118.0 pc) away from our Solar System.
  • The star HD 40956 has apparent magnitude of 6.6, with absolute magnitude of 1.2.
  • It is 2.0 times more massive and 8.6 times bigger compared with our Sun. The surface temperature is 4869 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 40956 b radius 1.049882 mass 2.700000 orbital distance 1.400000
    (Illustration of the HD 40956's Planetary System)



    The Star HD 40956 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.396 AU ( 657675140.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 6.077 AU ( 909078915.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 9.260 AU ( 1385235088.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 13.626 AU ( 2038434115.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 40956)



    Kopparapu's Recent Venus for Star HD 40956 distance : 4.785 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 40956 distance : 6.058 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 40956 distance : 5.851 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 40956 distance : 6.416 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 40956 distance : 11.038 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 40956 distance : 11.644 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 40956)



  • Original Kopparapu Recent Venus for Star HD 40956 distance : 4.729 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 40956 distance : 6.246 AU
  • Original Kopparapu Moist Greenhouse for Star HD 40956 distance : 6.257 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 40956 distance : 11.222 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 40956 distance : 11.671 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 40956)



    (Position in Stellar Map of star HD 40956 )



    (Zoomed position in Stellar Map of star HD 40956 (zoom level 3))

    (Synthetic Spectrum of star HD 4732 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