Imaginary Picture of CL Tau b
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Exoplanet Name : CL Tau b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 12.3100 (Mjup) 3913.8168 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0786 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0246
Orbital Period(Observed/Estimated) 9.00 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 85261.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 762.7 (K)
Blackbody T 0.3(K) 716.2 (K)
Blackbody T 0.7(K) 579.5 (K)
Tidally Locked Blackbody T 0.1(K) 907.0 (K)
Tidally Locked Blackbody T 0.3(K) 851.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : CL Tau
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.7 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5500 (K)
Spectral type : T Tau
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 13.0
Right Ascension(RA) 69.6855
Declination (DEC) 8.0961
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CL+Tau+&submit=SIMBAD+search
Open Exoplanet Database Link
CL Tau b
CL Tau b

  • CL Tau b is an exoplanet orbiting the star CL Tau. Its discovery was publicly announced on 2016.
  • The host star CL Tau has apparent magnitude of 13.0, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of T Tau
  • In this planetary system, the extrasolar planet CL Tau b orbits around the star CL Tau every 9.0 days with its orbital distance of 0.08 AU ( 11756489.2 km)
  • (Projected orbit of CL Tau b around its host star CL Tau)


  • The Star CL Tau 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.449 AU ( 67155862.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.621 AU ( 92826951.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.946 AU ( 141447731.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.391 AU ( 208146533.8 km)
  • Radiation at Planetary Boundary of CL Tau b : 85261.30 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CL Tau)



  • Kopparapu Recent Venus for Star CL Tau distance : 0.473 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CL Tau distance : 0.599 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CL Tau distance : 0.578 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CL Tau distance : 0.634 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CL Tau distance : 1.066 AU
  • Kopparapu Outer Boundary for Early Mars for Star CL Tau distance : 1.125 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CL Tau)



  • Original Kopparapu Recent Venus for Star CL Tau distance : 0.471 AU
  • Original Kopparapu Runaway Greenhouse for Star CL Tau distance : 0.616 AU
  • Original Kopparapu Moist Greenhouse for Star CL Tau distance : 0.623 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CL Tau distance : 1.085 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CL Tau distance : 1.128 AU

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



    (Position in Stellar Map of star CL Tau and its Exoplanet CL Tau b)



    (Zoomed position in Stellar Map of star CL Tau and its Exoplanet CL Tau b (zoom level 3))