Imaginary Picture of DW Uma b

Display orbital revolution of DW Uma b around the hoststar DW Uma
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Exoplanet Name : DW Uma b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 10.0600 (Mjup) 3198.4563 (Mearth)
Semi Major Axis / Orbital Distance Calculated 5.8000 (AU) 5.8000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 13.5985
Orbital Period(Observed/Estimated) 4967.00 (Days Obs.) 4737.00 (Days Est.)
Surface Gravity (G Earth) 30.8886
Star Radiation at Atmospheric Boundary: 1.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 45.7 (K)
Blackbody T 0.3(K) 42.9 (K)
Blackbody T 0.7(K) 34.7 (K)
Tidally Locked Blackbody T 0.1(K) 54.3 (K)
Tidally Locked Blackbody T 0.3(K) 51.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : DW Uma
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3500 (K)
Spectral type : M3
UV portion[%]: 0.3
Visible portion[%]: 14.5
IR portion[%]: 85.2
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 14.4
Right Ascension(RA) 158.4702
Declination (DEC) 58.7819
Hubble Space Telescope Guide Star Catalog (GSC) ID 03822-00464
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=DW+Uma&submit=SIMBAD+search
Open Exoplanet Database Link
DW Uma b
DW Uma b

  • DW Uma b is an exoplanet orbiting the star DW Uma. Its discovery was publicly announced on 2016.
  • The host star DW Uma has apparent magnitude of 14.4, with absolute magnitude of 25.0.
  • It is 1.2 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3500 with its spectral types of M3
  • In this planetary system, the extrasolar planet DW Uma b orbits around the star DW Uma every 4967.0 days with its orbital distance of 5.80 AU ( 867667650.1 km)
  • (Projected orbit of DW Uma b around its host star DW Uma)


  • The Star DW Uma 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.119 AU ( 17778498.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.164 AU ( 24574530.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.250 AU ( 37446146.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.368 AU ( 55103644.3 km)
  • Radiation at Planetary Boundary of DW Uma b : 1.10 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star DW Uma)



  • Kopparapu Recent Venus for Star DW Uma distance : 0.134 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star DW Uma distance : 0.170 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star DW Uma distance : 0.164 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star DW Uma distance : 0.181 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star DW Uma distance : 0.331 AU
  • Kopparapu Outer Boundary for Early Mars for Star DW Uma distance : 0.349 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star DW Uma)



  • Original Kopparapu Recent Venus for Star DW Uma distance : 0.133 AU
  • Original Kopparapu Runaway Greenhouse for Star DW Uma distance : 0.176 AU
  • Original Kopparapu Moist Greenhouse for Star DW Uma distance : 0.176 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star DW Uma distance : 0.336 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star DW Uma distance : 0.349 AU

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



    (Position in Stellar Map of star DW Uma and its Exoplanet DW Uma b)



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

    (Synthetic Spectrum of star DW Uma*)
    *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