HD 27442

Display orbital revolution around the star HD 27442
Imaginary Picture of Star HD 27442
Star Name : HD 27442
Alternate Name :
Star Distance (LY/pc): 59.4850 (LY) 18.2382 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 6.6000 (Rsun, estimated)
Stellar Mass (Msun): 1.2000 (Msun/observed) 1.2000 (Msun/estimated)
Spectral type : K2 IV a
Metalicity : 0.2200
Absolute Magnitude : 3.14
Apparent Magnitude : 4.44
Right Ascension(RA) : 64.12096
Declination(DEC) : -59.30194
  • This is the HD 27442 . The star HD 27442 islocated about 59.5 light-years (18.2 pc) away from our Solar System.
  • The star HD 27442 has apparent magnitude of 4.4, with absolute magnitude of 3.1.
  • It is 1.2 times more massive and 6.6 times bigger compared with our Sun. The surface temperature is 4749 with its spectral types of K2 IV a
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 27442 b radius 1.049907 mass 1.350000 orbital distance 1.160000
    (Illustration of the HD 27442's Planetary System)



    The Star HD 27442 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 3.225 AU ( 482398987.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.457 AU ( 666801466.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.792 AU ( 1016057871.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 9.995 AU ( 1495173668.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 27442)



    Kopparapu's Recent Venus for Star HD 27442 distance : 3.528 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 27442 distance : 4.466 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 27442 distance : 4.314 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 27442 distance : 4.730 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 27442 distance : 8.180 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 27442 distance : 8.629 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 27442)



  • Original Kopparapu Recent Venus for Star HD 27442 distance : 3.484 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 27442 distance : 4.607 AU
  • Original Kopparapu Moist Greenhouse for Star HD 27442 distance : 4.610 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 27442 distance : 8.315 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 27442 distance : 8.648 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 27442)



    (Position in Stellar Map of star HD 27442 )



    (Zoomed position in Stellar Map of star HD 27442 (zoom level 3))

    (Synthetic Spectrum of star HD 1690*)
    *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