Imaginary Picture of DH Tau b

Display orbital revolution of DH Tau b around the hoststar DH Tau
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Exoplanet Name : DH Tau b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 11.0000 (Mjup) 3497.3180 (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.) 3599649.97 (Days Est.)
Surface Gravity (G Earth) 33.7748
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 5.9 (K)
Blackbody T 0.3(K) 5.6 (K)
Blackbody T 0.7(K) 4.5 (K)
Tidally Locked Blackbody T 0.1(K) 7.1 (K)
Tidally Locked Blackbody T 0.3(K) 6.6 (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 : DH Tau
Alternate Name :
Star Distance(LY) : 435.2
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3750 (K)
Spectral type : M0.5V
UV portion[%]: 0.4
Visible portion[%]: 18.9
IR portion[%]: 80.7
Metalicity : 0.0
Absolute Magnitude: 8.1
Apparent Magnitude: 13.7
Right Ascension(RA) 67.4232
Declination (DEC) 26.5494
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Itoh,oichi; Hayashi,asahiko; Tamura,otohide; Tsuji,akashi; Oasa,umiko; Fukagawa,isato; Hayashi,aeko.; Naoi,akahiro; Ishii,iki; Mayama,atoshi; Morino,un-ichi; Yamashita,akuya; Pyo,ae-Soo; Nishikawa,akayuki; Usuda,omonori; Murakawa,oji; Suto,iroshi; Oya,hin; Takato,aruhisa; Ando,iroyasu; Miyama,hoken.; Kobayashi,aoto; Kaifu,orio"
Discovery Paper - Title A Young Brown Dwarf Companion to DH Tauri
Discovery Paper - Journal "The Astrophysical Journal, Volume 620, Number 2"
Discovery Paper - URL http://iopscience.iop.org/article/10.1086/427086/meta
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=DH+Tau+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/DH%20Tau%20B/
DH Tau b
DH Tau b

  • DH Tau b is an exoplanet orbiting the star DH Tau, located about 435.2 light-years (133.4 pc) away from Solar System. Its discovery was publicly announced on 2005.
  • The host star DH Tau has apparent magnitude of 13.7, with absolute magnitude of 8.1.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3750 with its spectral types of M0.5V
  • (Projected orbit of DH Tau b around its host star DH Tau)


  • The Star DH Tau 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.114 AU ( 17095672.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.158 AU ( 23630686.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.241 AU ( 36007936.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.354 AU ( 52987256.6 km)
  • Radiation at Planetary Boundary of DH Tau b : 0.00 W/m2

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



  • Kopparapu Recent Venus for Star DH Tau distance : 0.129 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star DH Tau distance : 0.163 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star DH Tau distance : 0.157 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star DH Tau distance : 0.173 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star DH Tau distance : 0.313 AU
  • Kopparapu Outer Boundary for Early Mars for Star DH Tau distance : 0.330 AU

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



  • Original Kopparapu Recent Venus for Star DH Tau distance : 0.127 AU
  • Original Kopparapu Runaway Greenhouse for Star DH Tau distance : 0.168 AU
  • Original Kopparapu Moist Greenhouse for Star DH Tau distance : 0.168 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star DH Tau distance : 0.318 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star DH Tau distance : 0.331 AU

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



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



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

    (Synthetic Spectrum of star DH Tau*)
    *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