GD 140

Display orbital revolution around the star GD 140
Imaginary Picture of Star GD 140
Star Name : GD 140
Alternate Name : HIP 56662
Star Distance (LY/pc): 51.1739 (LY) 15.6900 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9528 (Rsun, estimated)
Stellar Mass (Msun): 0.9700 (Msun/observed) 0.9700 (Msun/estimated)
Spectral type : WD
Metalicity : 0.0000
Absolute Magnitude : 11.52
Apparent Magnitude : 12.50
Right Ascension(RA) : 174.27083
Declination(DEC) : 29.79944
  • This is the GD 140 . The star GD 140 islocated about 51.2 light-years (15.7 pc) away from our Solar System.
  • The star GD 140 has apparent magnitude of 12.5, with absolute magnitude of 11.5.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of WD
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GD 140 b radius 0.907830 mass 3.740000 orbital distance 0.000000
    (Illustration of the GD 140's Planetary System)



    The Star GD 140 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.624 AU ( 93403578.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.863 AU ( 129108154.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.315 AU ( 196732255.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.935 AU ( 289500131.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GD 140)



    Kopparapu's Recent Venus for Star GD 140 distance : 0.762 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GD 140 distance : 0.965 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GD 140 distance : 0.932 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GD 140 distance : 1.022 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GD 140 distance : 1.718 AU
    Kopparapu's Outer Boundary for Early Mars for Star GD 140 distance : 1.812 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GD 140)



  • Original Kopparapu Recent Venus for Star GD 140 distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star GD 140 distance : 0.992 AU
  • Original Kopparapu Moist Greenhouse for Star GD 140 distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GD 140 distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GD 140 distance : 1.817 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GD 140)



    (Position in Stellar Map of star GD 140 )



    (Zoomed position in Stellar Map of star GD 140 (zoom level 3))

    (Synthetic Spectrum of star *)
    *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