iot Dra

Display orbital revolution around the star iot Dra
Imaginary Picture of Star iot Dra
Star Name : iot Dra
Alternate Name : "Edasich, 12 Dra, HD 137759, HIP 75458"
Star Distance (LY/pc): 102.7391 (LY) 31.5000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 12.8000 (Rsun, estimated)
Stellar Mass (Msun): 1.4000 (Msun/observed) 1.4000 (Msun/estimated)
Spectral type : K2 III
Metalicity : 0.1500
Absolute Magnitude : 0.82
Apparent Magnitude : 3.31
Right Ascension(RA) : 231.22917
Declination(DEC) : 58.96583
  • This is the iot Dra . The star iot Dra islocated about 102.7 light-years (31.5 pc) away from our Solar System.
  • The star iot Dra has apparent magnitude of 3.3, with absolute magnitude of 0.8.
  • It is 1.4 times more massive and 12.8 times bigger compared with our Sun. The surface temperature is 4445 with its spectral types of K2 III
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet iot Dra b radius 1.049862 mass 16.400000 orbital distance 1.448000
  • Name of the 2 Planet iot Dra c radius 0.907830 mass 17.000000 orbital distance 19.400000
    (Illustration of the iot Dra's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 5.479 AU ( 819618236.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 7.573 AU ( 1132926594.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 11.540 AU ( 1726329413.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 16.981 AU ( 2540369357.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star iot Dra)



    Kopparapu's Recent Venus for Star iot Dra distance : 6.063 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star iot Dra distance : 7.675 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star iot Dra distance : 7.413 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star iot Dra distance : 8.125 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star iot Dra distance : 14.252 AU
    Kopparapu's Outer Boundary for Early Mars for Star iot Dra distance : 15.035 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star iot Dra)



  • Original Kopparapu Recent Venus for Star iot Dra distance : 5.982 AU
  • Original Kopparapu Runaway Greenhouse for Star iot Dra distance : 7.925 AU
  • Original Kopparapu Moist Greenhouse for Star iot Dra distance : 7.915 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star iot Dra distance : 14.484 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star iot Dra distance : 15.063 AU

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



    (Position in Stellar Map of star iot Dra )



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

    (Synthetic Spectrum of star K2-368*)
    *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