HD 7924

Display orbital revolution around the star HD 7924
Imaginary Picture of Star HD 7924
Star Name : HD 7924
Alternate Name :
Star Distance (LY/pc): 55.4781 (LY) 17.0097 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7800 (Rsun, estimated)
Stellar Mass (Msun): 0.8320 (Msun/observed) 0.8320 (Msun/estimated)
Spectral type : K0V
Metalicity : -0.1500
Absolute Magnitude : 6.03
Apparent Magnitude : 7.18
Right Ascension(RA) : 20.49583
Declination(DEC) : 76.71028
  • This is the HD 7924 . The star HD 7924 islocated about 55.5 light-years (17.0 pc) away from our Solar System.
  • The star HD 7924 has apparent magnitude of 7.2, with absolute magnitude of 6.0.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5177 with its spectral types of K0V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet HD 7924 b radius 1.050000 mass 0.027300 orbital distance 0.056640
  • Name of the 2 Planet HD 7924 c radius 0.152877 mass 0.024700 orbital distance 0.113400
  • Name of the 3 Planet HD 7924 d radius 0.145492 mass 0.020300 orbital distance 0.155100
    (Illustration of the HD 7924's Planetary System)



    The Star HD 7924 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.453 AU ( 67749960.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.626 AU ( 93648150.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.954 AU ( 142699056.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.404 AU ( 209987913.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 7924)



    Kopparapu's Recent Venus for Star HD 7924 distance : 0.486 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 7924 distance : 0.615 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 7924 distance : 0.594 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 7924 distance : 0.651 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 7924 distance : 1.107 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 7924 distance : 1.168 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 7924)



  • Original Kopparapu Recent Venus for Star HD 7924 distance : 0.481 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 7924 distance : 0.633 AU
  • Original Kopparapu Moist Greenhouse for Star HD 7924 distance : 0.637 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 7924 distance : 1.126 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 7924 distance : 1.171 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 7924)



    (Position in Stellar Map of star HD 7924 )



    (Zoomed position in Stellar Map of star HD 7924 (zoom level 3))

    (Synthetic Spectrum of star HAT-P-53*)
    *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