HD 18143 A

Display orbital revolution around the star HD 18143 A
Imaginary Picture of Star HD 18143 A
Star Name : HD 18143 A
Alternate Name : "GJ 9105 A, LDS 883 A, STF 326 A"
Star Distance (LY/pc): 73.4644 (LY) 22.5243 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8940 (Rsun, estimated)
Stellar Mass (Msun): 0.8500 (Msun/observed) 0.8500 (Msun/estimated)
Spectral type : K0V
Metalicity : 0.0000
Absolute Magnitude : 5.92
Apparent Magnitude : 7.68
Right Ascension(RA) : 43.91275
Declination(DEC) : 26.87322
  • This is the HD 18143 A . The star HD 18143 A islocated about 73.5 light-years (22.5 pc) away from our Solar System.
  • The star HD 18143 A has apparent magnitude of 7.7, with absolute magnitude of 5.9.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5078 with its spectral types of K0V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 18143 Ab radius 0.200118 mass 0.034000 orbital distance 0.088000
  • Name of the 2 Planet HD 18143 Ac radius 0.907830 mass 9.998000 orbital distance 17.530000
    (Illustration of the HD 18143 A's Planetary System)



    The Star HD 18143 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.499 AU ( 74710393.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.690 AU ( 103269288.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.052 AU ( 157359541.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.548 AU ( 231561459.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 18143 A)



    Kopparapu's Recent Venus for Star HD 18143 A distance : 0.538 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 18143 A distance : 0.681 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 18143 A distance : 0.658 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 18143 A distance : 0.722 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 18143 A distance : 1.231 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 18143 A distance : 1.299 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 18143 A)



  • Original Kopparapu Recent Venus for Star HD 18143 A distance : 0.533 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 18143 A distance : 0.702 AU
  • Original Kopparapu Moist Greenhouse for Star HD 18143 A distance : 0.705 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 18143 A distance : 1.252 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 18143 A distance : 1.302 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 18143 A)



    (Position in Stellar Map of star HD 18143 A )



    (Zoomed position in Stellar Map of star HD 18143 A (zoom level 3))

    (Synthetic Spectrum of star HATS-32*)
    *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