Imaginary Picture of WASP-13 b

Display orbital revolution of WASP-13 b around the hoststar WASP-13
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Exoplanet Name : WASP-13 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3650 (Rjup) 15.3003 (Rearth)
Mass (Mjup / Me): 0.4850 (Mjup) 154.1999 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0538 (AU) 0.0538 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0119
Orbital Period(Observed/Estimated) 4.35 (Days Obs.) 4.18 (Days Est.)
Surface Gravity (G Earth) 0.6587
Star Radiation at Atmospheric Boundary: 519642.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1198.3 (K)
Blackbody T 0.3(K) 1125.3 (K)
Blackbody T 0.7(K) 910.5 (K)
Tidally Locked Blackbody T 0.1(K) 1425.0 (K)
Tidally Locked Blackbody T 0.3(K) 1338.3 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : WASP-13
Alternate Name :
Star Distance(LY) : 653.6
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5826 (K)
Spectral type : G1V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 10.4
Right Ascension(RA) 140.1029
Declination (DEC) 33.8669
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-13+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-13%20b/
WASP-13 b
WASP-13 b

  • WASP-13 b is an exoplanet orbiting the star WASP-13, located about 653.6 light-years (200.4 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star WASP-13 has apparent magnitude of 10.4, with absolute magnitude of 3.9.
  • It is 1.2 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5826 with its spectral types of G1V
  • In this planetary system, the extrasolar planet WASP-13 b orbits around the star WASP-13 every 4.4 days with its orbital distance of 0.05 AU ( 8046869.5 km)
  • (Projected orbit of WASP-13 b around its host star WASP-13)


  • The Star WASP-13 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.759 AU ( 113477440.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.049 AU ( 156855477.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.598 AU ( 239013035.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.351 AU ( 351718152.2 km)
  • Radiation at Planetary Boundary of WASP-13 b : 519642.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-13)



  • Kopparapu Recent Venus for Star WASP-13 distance : 0.784 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-13 distance : 0.993 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-13 distance : 0.959 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-13 distance : 1.051 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-13 distance : 1.751 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-13 distance : 1.847 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-13)



  • Original Kopparapu Recent Venus for Star WASP-13 distance : 0.786 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-13 distance : 1.020 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-13 distance : 1.040 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-13 distance : 1.782 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-13 distance : 1.853 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-13)



    (Position in Stellar Map of star WASP-13 and its Exoplanet WASP-13 b)



    (Zoomed position in Stellar Map of star WASP-13 and its Exoplanet WASP-13 b (zoom level 3))

    (Synthetic Spectrum of star WASP-13*)
    *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