HD 127506

Display orbital revolution around the star HD 127506
Imaginary Picture of Star HD 127506
Star Name : HD 127506
Alternate Name : GJ 554
Star Distance (LY/pc): 73.4761 (LY) 22.5279 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7357 (Rsun, estimated)
Stellar Mass (Msun): 0.7300 (Msun/observed) 0.7300 (Msun/estimated)
Spectral type : K3.5V
Metalicity : -0.0800
Absolute Magnitude : 6.94
Apparent Magnitude : 8.70
Right Ascension(RA) : 217.68740
Declination(DEC) : 35.45373
  • This is the HD 127506 . The star HD 127506 islocated about 73.5 light-years (22.5 pc) away from our Solar System.
  • The star HD 127506 has apparent magnitude of 8.7, with absolute magnitude of 6.9.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4595 with its spectral types of K3.5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 127506 b radius 0.247731 mass 0.086000 orbital distance 0.287000
  • Name of the 2 Planet HD 127506 c radius 0.907830 mass 47.409000 orbital distance 3.453000
    (Illustration of the HD 127506's Planetary System)



    The Star HD 127506 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.337 AU ( 50341934.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.465 AU ( 69585709.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.709 AU ( 106033221.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.043 AU ( 156032530.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 127506)



    Kopparapu's Recent Venus for Star HD 127506 distance : 0.370 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 127506 distance : 0.469 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 127506 distance : 0.453 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 127506 distance : 0.497 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 127506 distance : 0.865 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 127506 distance : 0.912 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 127506)



  • Original Kopparapu Recent Venus for Star HD 127506 distance : 0.366 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 127506 distance : 0.484 AU
  • Original Kopparapu Moist Greenhouse for Star HD 127506 distance : 0.484 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 127506 distance : 0.879 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 127506 distance : 0.914 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 127506)



    (Position in Stellar Map of star HD 127506 )



    (Zoomed position in Stellar Map of star HD 127506 (zoom level 3))

    (Synthetic Spectrum of star HD 47186*)
    *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