BD-06 1339

Display orbital revolution around the star BD-06 1339
Imaginary Picture of Star BD-06 1339
Star Name : BD-06 1339
Alternate Name : GJ 221
Star Distance (LY/pc): 66.1491 (LY) 20.2814 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6104 (Rsun, estimated)
Stellar Mass (Msun): 0.7000 (Msun/observed) 0.7000 (Msun/estimated)
Spectral type : K7V/M0V
Metalicity : -0.1400
Absolute Magnitude : 5.15
Apparent Magnitude : 6.69
Right Ascension(RA) : 88.25119
Declination(DEC) : -5.99470
  • This is the BD-06 1339 . The star BD-06 1339 islocated about 66.1 light-years (20.3 pc) away from our Solar System.
  • The star BD-06 1339 has apparent magnitude of 6.7, with absolute magnitude of 5.2.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4324 with its spectral types of K7V/M0V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet BD-06 1339 c radius 0.907830 mass 0.170000 orbital distance 0.435000
  • Name of the 2 Planet BD-06 1339 d radius 0.226453 mass 0.058200 orbital distance 1.060000
  • Name of the 3 Planet BD-06 1339 e radius 0.122624 mass 0.010400 orbital distance 0.030000
    (Illustration of the BD-06 1339's Planetary System)



    The Star BD-06 1339 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.247 AU ( 36987172.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.342 AU ( 51125938.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.521 AU ( 77904616.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.766 AU ( 114640056.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD-06 1339)



    Kopparapu's Recent Venus for Star BD-06 1339 distance : 0.266 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star BD-06 1339 distance : 0.337 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star BD-06 1339 distance : 0.326 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star BD-06 1339 distance : 0.357 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star BD-06 1339 distance : 0.630 AU
    Kopparapu's Outer Boundary for Early Mars for Star BD-06 1339 distance : 0.665 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star BD-06 1339)



  • Original Kopparapu Recent Venus for Star BD-06 1339 distance : 0.263 AU
  • Original Kopparapu Runaway Greenhouse for Star BD-06 1339 distance : 0.348 AU
  • Original Kopparapu Moist Greenhouse for Star BD-06 1339 distance : 0.348 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD-06 1339 distance : 0.640 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star BD-06 1339 distance : 0.666 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star BD-06 1339)



    (Position in Stellar Map of star BD-06 1339 )



    (Zoomed position in Stellar Map of star BD-06 1339 (zoom level 3))

    (Synthetic Spectrum of star BD+55 362*)
    *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