HD 4732 A

Display orbital revolution around the star HD 4732 A
Imaginary Picture of Star HD 4732 A
Star Name : HD 4732 A
Alternate Name : HD 4732
Star Distance (LY/pc): 188.8570 (LY) 57.9039 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 5.4000 (Rsun, estimated)
Stellar Mass (Msun): 1.7400 (Msun/observed) 1.7400 (Msun/estimated)
Spectral type : K0 IV
Metalicity : 0.0100
Absolute Magnitude : 2.09
Apparent Magnitude : 5.90
Right Ascension(RA) : 12.30812
Declination(DEC) : -24.13667
  • This is the HD 4732 A . The star HD 4732 A islocated about 188.9 light-years (57.9 pc) away from our Solar System.
  • The star HD 4732 A has apparent magnitude of 5.9, with absolute magnitude of 2.1.
  • It is 1.7 times more massive and 5.4 times bigger compared with our Sun. The surface temperature is 4959 with its spectral types of K0 IV
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 4732 A b radius 1.049886 mass 2.370000 orbital distance 1.190000
  • Name of the 2 Planet HD 4732 A c radius 0.907830 mass 2.370000 orbital distance 4.600000
    (Illustration of the HD 4732 A's Planetary System)



    The Star HD 4732 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.877 AU ( 430368115.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.977 AU ( 594881204.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.059 AU ( 906467309.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.917 AU ( 1333906355.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 4732 A)



    Kopparapu's Recent Venus for Star HD 4732 A distance : 3.118 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 4732 A distance : 3.948 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 4732 A distance : 3.813 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 4732 A distance : 4.182 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 4732 A distance : 7.167 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 4732 A distance : 7.560 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 4732 A)



  • Original Kopparapu Recent Venus for Star HD 4732 A distance : 3.084 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 4732 A distance : 4.069 AU
  • Original Kopparapu Moist Greenhouse for Star HD 4732 A distance : 4.081 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 4732 A distance : 7.287 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 4732 A distance : 7.578 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 4732 A)



    (Position in Stellar Map of star HD 4732 A )



    (Zoomed position in Stellar Map of star HD 4732 A (zoom level 3))

    (Synthetic Spectrum of star HAT-P-42*)
    *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