Imaginary Picture of FW Tau b
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Exoplanet Name : FW Tau b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 10.0000 (Mjup) 3179.3800 (Mearth)
Semi Major Axis / Orbital Distance Calculated 330.0000 (AU) 330.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 4294122.81 (Days Est.)
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 4.5 (K)
Blackbody T 0.3(K) 4.2 (K)
Blackbody T 0.7(K) 3.4 (K)
Tidally Locked Blackbody T 0.1(K) 5.3 (K)
Tidally Locked Blackbody T 0.3(K) 5.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : FW Tau
Alternate Name :
Star Distance(LY) : 472.9
Stellar Radius(Rsun) : 0.3 (Rsun Estimated)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3270 (K)
Spectral type : M4
Metalicity : 0.0
Absolute Magnitude: 9.7
Apparent Magnitude: 15.5
Right Ascension(RA) 67.3738
Declination (DEC) 26.2814
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "White,..; Ghez,.."
Discovery Paper - Title Observational Constraints on the Formation and Evolution of Binary Stars
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=FW+Tau+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/FW%20Tau%20b/
FW Tau b
FW Tau b

  • FW Tau b is an exoplanet orbiting the star FW Tau, located about 472.9 light-years (145.0 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star FW Tau has apparent magnitude of 15.5, with absolute magnitude of 9.7.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3270 with its spectral types of M4
  • (Projected orbit of FW Tau b around its host star FW Tau)


  • The Star FW Tau 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.066 AU ( 9806051.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.091 AU ( 13554525.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.138 AU ( 20654097.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.203 AU ( 30393409.4 km)
  • Radiation at Planetary Boundary of FW Tau b : 0.00 W/m2

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



  • Kopparapu Recent Venus for Star FW Tau distance : 0.074 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star FW Tau distance : 0.094 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star FW Tau distance : 0.091 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star FW Tau distance : 0.100 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star FW Tau distance : 0.185 AU
  • Kopparapu Outer Boundary for Early Mars for Star FW Tau distance : 0.195 AU

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



  • Original Kopparapu Recent Venus for Star FW Tau distance : 0.074 AU
  • Original Kopparapu Runaway Greenhouse for Star FW Tau distance : 0.097 AU
  • Original Kopparapu Moist Greenhouse for Star FW Tau distance : 0.098 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star FW Tau distance : 0.188 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star FW Tau distance : 0.195 AU

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



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



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