HD 142 A

Display orbital revolution around the star HD 142 A
Imaginary Picture of Star HD 142 A
Star Name : HD 142 A
Alternate Name : HD 142
Star Distance (LY/pc): inf (LY) inf (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8600 (Rsun, estimated)
Stellar Mass (Msun): 1.1000 (Msun/observed) 1.1000 (Msun/estimated)
Spectral type : G1 IV
Metalicity : 0.0400
Absolute Magnitude : -inf
Apparent Magnitude : 5.70
Right Ascension(RA) : 1.57917
Declination(DEC) : -49.07500
  • This is the HD 142 A . The star HD 142 A islocated about inf light-years ( inf pc) away from our Solar System.
  • The star HD 142 A has apparent magnitude of 5.7, with absolute magnitude of -inf.
  • It is 1.1 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 6180 with its spectral types of G1 IV
  • Number of Extrasolar Planets : 5
  • Name of the 1 Planet HD 142 A b radius 0.907830 mass 1.250000 orbital distance 1.020000
  • Name of the 2 Planet HD 142 A c radius 0.907830 mass 5.300000 orbital distance 6.800000
  • Name of the 3 Planet HD 142 Ab radius 0.907830 mass 1.250000 orbital distance 1.020000
  • Name of the 4 Planet HD 142 Ac radius 0.907830 mass 5.300000 orbital distance 6.800000
  • Name of the 5 Planet HD 142 Ad radius 0.764809 mass 0.260000 orbital distance 0.474000
    (Illustration of the HD 142 A's Planetary System)



    The Star HD 142 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.712 AU ( 106447021.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.984 AU ( 147137601.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.499 AU ( 224205143.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.205 AU ( 329927690.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 142 A)



    Kopparapu's Recent Venus for Star HD 142 A distance : 0.720 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 142 A distance : 0.911 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 142 A distance : 0.880 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 142 A distance : 0.965 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 142 A distance : 1.594 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 142 A distance : 1.682 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 142 A)



  • Original Kopparapu Recent Venus for Star HD 142 A distance : 0.727 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 142 A distance : 0.935 AU
  • Original Kopparapu Moist Greenhouse for Star HD 142 A distance : 0.962 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 142 A distance : 1.623 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 142 A distance : 1.688 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 142 A)



    (Position in Stellar Map of star HD 142 A )



    (Zoomed position in Stellar Map of star HD 142 A (zoom level 3))

    (Synthetic Spectrum of star HAT-P-20*)
    *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