59 Dra

Display orbital revolution around the star 59 Dra
Imaginary Picture of Star 59 Dra
Star Name : 59 Dra
Alternate Name : HD 180777
Star Distance (LY/pc): 89.5194 (LY) 27.4468 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5049 (Rsun, estimated)
Stellar Mass (Msun): 1.5900 (Msun/observed) 1.5900 (Msun/estimated)
Spectral type : A9V
Metalicity : 0.0000
Absolute Magnitude : 2.92
Apparent Magnitude : 5.11
Right Ascension(RA) : 287.29167
Declination(DEC) : 76.56056
  • This is the 59 Dra . The star 59 Dra islocated about 89.5 light-years (27.4 pc) away from our Solar System.
  • The star 59 Dra has apparent magnitude of 5.1, with absolute magnitude of 2.9.
  • It is 1.6 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 7137 with its spectral types of A9V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 59 Dra b radius 1.049861 mass 25.000000 orbital distance 0.220000
    (Illustration of the 59 Dra's Planetary System)



    The Star 59 Dra 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.661 AU ( 248417804.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.295 AU ( 343378324.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.498 AU ( 523232577.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.147 AU ( 769959658.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 59 Dra)



    Kopparapu's Recent Venus for Star 59 Dra distance : 1.595 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 59 Dra distance : 2.020 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 59 Dra distance : 1.950 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 59 Dra distance : 2.132 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 59 Dra distance : 3.489 AU
    Kopparapu's Outer Boundary for Early Mars for Star 59 Dra distance : 3.680 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 59 Dra)



  • Original Kopparapu Recent Venus for Star 59 Dra distance : 1.643 AU
  • Original Kopparapu Runaway Greenhouse for Star 59 Dra distance : 2.066 AU
  • Original Kopparapu Moist Greenhouse for Star 59 Dra distance : 2.174 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 59 Dra distance : 3.553 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 59 Dra distance : 3.695 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 59 Dra)



    (Position in Stellar Map of star 59 Dra )



    (Zoomed position in Stellar Map of star 59 Dra (zoom level 3))

    (Synthetic Spectrum of star TYC 3547-1007-1*)
    *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