Aldebaran
Imaginary Picture of Star Aldebaran
Star Name : Aldebaran
Alternate Name : alf Tau
Star Distance (LY/pc): 66.6441 (LY) 20.4332 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 45.1000 (Rsun, estimated)
Stellar Mass (Msun): 1.1300 (Msun/observed) 1.1300 (Msun/estimated)
Spectral type : K5III
Metalicity : -0.2700
Absolute Magnitude : -0.70
Apparent Magnitude : 0.85
Right Ascension(RA) : 68.98016
Declination(DEC) : 16.50917
  • This is the Aldebaran . The star Aldebaran islocated about 66.6 light-years (20.4 pc) away from our Solar System.
  • The star Aldebaran has apparent magnitude of 0.8, with absolute magnitude of -0.7.
  • It is 1.1 times more massive and 45.1 times bigger compared with our Sun. The surface temperature is 4055 with its spectral types of K5III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Aldebaran b radius 0.907830 mass 6.470000 orbital distance 1.460000
    (Illustration of the Aldebaran's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 16.065 AU ( 2403346401.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 22.207 AU ( 3322052796.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 33.838 AU ( 5062073292.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 49.794 AU ( 7449062605.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Aldebaran)



    Kopparapu's Recent Venus for Star Aldebaran distance : 17.976 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Aldebaran distance : 22.752 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Aldebaran distance : 21.974 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Aldebaran distance : 24.067 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Aldebaran distance : 43.060 AU
    Kopparapu's Outer Boundary for Early Mars for Star Aldebaran distance : 45.426 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Aldebaran)



  • Original Kopparapu Recent Venus for Star Aldebaran distance : 17.752 AU
  • Original Kopparapu Runaway Greenhouse for Star Aldebaran distance : 23.523 AU
  • Original Kopparapu Moist Greenhouse for Star Aldebaran distance : 23.488 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Aldebaran distance : 43.750 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Aldebaran distance : 45.499 AU

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



    (Position in Stellar Map of star Aldebaran )



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