HD 33844

Display orbital revolution around the star HD 33844
Imaginary Picture of Star HD 33844
Star Name : HD 33844
Alternate Name :
Star Distance (LY/pc): 344.7738 (LY) 105.7082 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4294 (Rsun, estimated)
Stellar Mass (Msun): 1.7500 (Msun/observed) 1.7500 (Msun/estimated)
Spectral type : K3
Metalicity : 0.0000
Absolute Magnitude : 16.88
Apparent Magnitude : 22.00
Right Ascension(RA) : 78.15000
Declination(DEC) : -13.04889
  • This is the HD 33844 . The star HD 33844 islocated about 344.8 light-years (105.7 pc) away from our Solar System.
  • The star HD 33844 has apparent magnitude of 22.0, with absolute magnitude of 16.9.
  • It is 1.8 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 4827 with its spectral types of K3
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 33844 b radius 0.907830 mass 1.960000 orbital distance 1.600000
  • Name of the 2 Planet HD 33844 c radius 0.907830 mass 1.750000 orbital distance 2.240000
    (Illustration of the HD 33844's Planetary System)



    The Star HD 33844 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.721 AU ( 107933494.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.997 AU ( 149192295.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.520 AU ( 227336042.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.236 AU ( 334534945.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 33844)



    Kopparapu's Recent Venus for Star HD 33844 distance : 0.386 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 33844 distance : 0.489 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 33844 distance : 0.472 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 33844 distance : 0.518 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 33844 distance : 0.893 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 33844 distance : 0.942 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 33844)



  • Original Kopparapu Recent Venus for Star HD 33844 distance : 0.382 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 33844 distance : 0.504 AU
  • Original Kopparapu Moist Greenhouse for Star HD 33844 distance : 0.505 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 33844 distance : 0.908 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 33844 distance : 0.944 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 33844)



    (Position in Stellar Map of star HD 33844 )



    (Zoomed position in Stellar Map of star HD 33844 (zoom level 3))

    (Synthetic Spectrum of star HD 2638*)
    *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