HD 134987

Display orbital revolution around the star HD 134987
Imaginary Picture of Star HD 134987
Star Name : HD 134987
Alternate Name :
Star Distance (LY/pc): 85.4706 (LY) 26.2055 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2500 (Rsun, estimated)
Stellar Mass (Msun): 1.0700 (Msun/observed) 1.0700 (Msun/estimated)
Spectral type : G5 V
Metalicity : 0.2500
Absolute Magnitude : 4.36
Apparent Magnitude : 6.45
Right Ascension(RA) : 228.36667
Declination(DEC) : -25.30917
  • This is the HD 134987 . The star HD 134987 islocated about 85.5 light-years (26.2 pc) away from our Solar System.
  • The star HD 134987 has apparent magnitude of 6.5, with absolute magnitude of 4.4.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5740 with its spectral types of G5 V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 134987 b radius 0.907830 mass 1.590000 orbital distance 0.810000
  • Name of the 2 Planet HD 134987 c radius 0.907830 mass 0.820000 orbital distance 5.800000
    (Illustration of the HD 134987's Planetary System)



    The Star HD 134987 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.892 AU ( 133472535.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.233 AU ( 184493924.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.879 AU ( 281127912.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.765 AU ( 413692038.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 134987)



    Kopparapu's Recent Venus for Star HD 134987 distance : 0.927 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 134987 distance : 1.174 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 134987 distance : 1.134 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 134987 distance : 1.243 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 134987 distance : 2.075 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 134987 distance : 2.188 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 134987)



  • Original Kopparapu Recent Venus for Star HD 134987 distance : 0.927 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 134987 distance : 1.206 AU
  • Original Kopparapu Moist Greenhouse for Star HD 134987 distance : 1.227 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 134987 distance : 2.111 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 134987 distance : 2.195 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 134987)



    (Position in Stellar Map of star HD 134987 )



    (Zoomed position in Stellar Map of star HD 134987 (zoom level 3))

    (Synthetic Spectrum of star HD 55696*)
    *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