CI Tau

Display orbital revolution around the star CI Tau
Imaginary Picture of Star CI Tau
Star Name : CI Tau
Alternate Name :
Star Distance (LY/pc): 515.3265 (LY) 158.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8425 (Rsun, estimated)
Stellar Mass (Msun): 0.9000 (Msun/observed) 0.9000 (Msun/estimated)
Spectral type : K4IV
Metalicity : 0.0000
Absolute Magnitude : 7.01
Apparent Magnitude : 13.00
Right Ascension(RA) : 68.46667
Declination(DEC) : 22.84167
  • This is the CI Tau . The star CI Tau islocated about 515.3 light-years (158.0 pc) away from our Solar System.
  • The star CI Tau has apparent magnitude of 13.0, with absolute magnitude of 7.0.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4600 with its spectral types of K4IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet CI Tau b radius 1.049864 mass 11.600000 orbital distance 0.000000
    (Illustration of the CI Tau's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.386 AU ( 57776030.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.534 AU ( 79861572.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.813 AU ( 121691362.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.197 AU ( 179074171.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CI Tau)



    Kopparapu's Recent Venus for Star CI Tau distance : 0.338 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star CI Tau distance : 0.427 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star CI Tau distance : 0.413 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star CI Tau distance : 0.453 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star CI Tau distance : 0.788 AU
    Kopparapu's Outer Boundary for Early Mars for Star CI Tau distance : 0.831 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CI Tau)



  • Original Kopparapu Recent Venus for Star CI Tau distance : 0.333 AU
  • Original Kopparapu Runaway Greenhouse for Star CI Tau distance : 0.441 AU
  • Original Kopparapu Moist Greenhouse for Star CI Tau distance : 0.441 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CI Tau distance : 0.801 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CI Tau distance : 0.833 AU

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



    (Position in Stellar Map of star CI Tau )



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

    (Synthetic Spectrum of star Barnard's star*)
    *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