HD 27894

Display orbital revolution around the star HD 27894
Imaginary Picture of Star HD 27894
Star Name : HD 27894
Alternate Name :
Star Distance (LY/pc): 138.1923 (LY) 42.3700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6850 (Rsun, estimated)
Stellar Mass (Msun): 0.8000 (Msun/observed) 0.8000 (Msun/estimated)
Spectral type : K2 V
Metalicity : 0.3000
Absolute Magnitude : 6.22
Apparent Magnitude : 9.36
Right Ascension(RA) : 65.19603
Declination(DEC) : -59.41083
  • This is the HD 27894 . The star HD 27894 islocated about 138.2 light-years (42.4 pc) away from our Solar System.
  • The star HD 27894 has apparent magnitude of 9.4, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4875 with its spectral types of K2 V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet HD 27894 b radius 1.049957 mass 0.665000 orbital distance 0.125000
  • Name of the 2 Planet HD 27894 c radius 0.625215 mass 0.162000 orbital distance 0.198000
  • Name of the 3 Planet HD 27894 d radius 0.907830 mass 5.415000 orbital distance 5.448000
    (Illustration of the HD 27894's Planetary System)



    The Star HD 27894 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.353 AU ( 52760365.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.487 AU ( 72928612.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.743 AU ( 111127066.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.093 AU ( 163528346.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 27894)



    Kopparapu's Recent Venus for Star HD 27894 distance : 0.424 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 27894 distance : 0.537 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 27894 distance : 0.518 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 27894 distance : 0.568 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 27894 distance : 0.977 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 27894 distance : 1.031 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 27894)



  • Original Kopparapu Recent Venus for Star HD 27894 distance : 0.419 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 27894 distance : 0.553 AU
  • Original Kopparapu Moist Greenhouse for Star HD 27894 distance : 0.554 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 27894 distance : 0.994 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 27894 distance : 1.033 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 27894)



    (Position in Stellar Map of star HD 27894 )



    (Zoomed position in Stellar Map of star HD 27894 (zoom level 3))

    (Synthetic Spectrum of star HATS-68*)
    *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