Imaginary Picture of WASP-7 b

Display orbital revolution of WASP-7 b around the hoststar WASP-7
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Exoplanet Name : WASP-7 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3300 (Rjup) 14.9080 (Rearth)
Mass (Mjup / Me): 0.9600 (Mjup) 305.2205 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0617 (AU) 0.0617 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0136
Orbital Period(Observed/Estimated) 4.95 (Days Obs.) 4.96 (Days Est.)
Surface Gravity (G Earth) 1.3733
Star Radiation at Atmospheric Boundary: 1108256.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1448.1 (K)
Blackbody T 0.3(K) 1359.9 (K)
Blackbody T 0.7(K) 1100.3 (K)
Tidally Locked Blackbody T 0.1(K) 1722.1 (K)
Tidally Locked Blackbody T 0.3(K) 1617.2 (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-7
Alternate Name :
Star Distance(LY) : 516.1
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.4 (GY)
Temperature : 6400 (K)
Spectral type : F5V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.5
Apparent Magnitude: 9.5
Right Ascension(RA) 311.0426
Declination (DEC) -39.2253
Hubble Space Telescope Guide Star Catalog (GSC) ID 07963-01570
Discovered by
Discovery Paper - Authors "J. Southworth, M. Dominik, U. G. J_rgensen, S. Rahvar, C. Snodgrass, K. Alsubai, V. Bozza, P. Browne, M. Burgdorf, S. Calchi Novati, P. Dodds, S. Dreizler, F. Finet, T. Gerner, S. Hardis, K. Harps_e, C. Hellier, T. C. Hinse, M. Hundertmark, N. Kains, E. Kerins, C. Liebig, L. Mancini, M. Mathiasen, M. T. Penny, S. Proft, D. Ricci, K. Sahu, G. Scarpetta, S. Sch_fer, F. Sch_nebeck and J. Surdej"
Discovery Paper - Title A much lower density for the transiting extrasolar planet WASP-7
Discovery Paper - Journal "A&A 527, A8 (2011)DOI https://doi.org/10.1051/0004-6361/201016183"
Discovery Paper - URL http://www.aanda.org/articles/aa/full_html/2011/03/aa16183-10/aa16183-10.html
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-7+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-7%20b/
WASP-7 b
WASP-7 b
  • WASP-7 b is an exoplanet orbiting the star WASP-7, located about 516.1 light-years (158.2 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star WASP-7 has apparent magnitude of 9.5, with absolute magnitude of 3.5.
  • It is 1.3 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6400 with its spectral types of F5V
  • In this planetary system, the extrasolar planet WASP-7 b orbits around the star WASP-7 every 5.0 days with its orbital distance of 0.06 AU ( 9230188.6 km)
    • (Projected orbit of WASP-7 b around its host star WASP-7)


  • The Star WASP-7 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.271 AU ( 190090791.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.756 AU ( 262755150.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.676 AU ( 400380701.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.938 AU ( 589177741.4 km)
  • Radiation at Planetary Boundary of WASP-7 b : 1108256.82 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-7)



  • Kopparapu Recent Venus for Star WASP-7 distance : 1.268 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-7 distance : 1.606 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-7 distance : 1.551 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-7 distance : 1.700 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-7 distance : 2.799 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-7 distance : 2.952 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-7)



  • Original Kopparapu Recent Venus for Star WASP-7 distance : 1.287 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-7 distance : 1.647 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-7 distance : 1.703 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-7 distance : 2.849 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-7 distance : 2.963 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-7)



    (Position in Stellar Map of star WASP-7 and its Exoplanet WASP-7 b)



    (Zoomed position in Stellar Map of star WASP-7 and its Exoplanet WASP-7 b (zoom level 3))

    (Synthetic Spectrum of star WASP-7*)
    *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