Imaginary Picture of WASP-23 b

Display orbital revolution of WASP-23 b around the hoststar WASP-23
/
Exoplanet Name : WASP-23 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9620 (Rjup) 10.7831 (Rearth)
Mass (Mjup / Me): 0.8840 (Mjup) 281.0572 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0376 (AU) 0.0376 (AU Est.)
Eccentricity : 0.0620
Orbital Period(Yrs) 0.0081
Orbital Period(Observed/Estimated) 2.94 (Days Obs.) 3.02 (Days Est.)
Surface Gravity (G Earth) 2.4172
Star Radiation at Atmospheric Boundary: 357092.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1091.0 (K)
Blackbody T 0.3(K) 1024.6 (K)
Blackbody T 0.7(K) 829.0 (K)
Tidally Locked Blackbody T 0.1(K) 1297.5 (K)
Tidally Locked Blackbody T 0.3(K) 1218.5 (K)
Size Class: 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-23
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5150 (K)
Spectral type : K1V
UV portion[%]: 4.4
Visible portion[%]: 39.4
IR portion[%]: 56.2
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 12.7
Right Ascension(RA) 101.1277
Declination (DEC) -42.7619
Hubble Space Telescope Guide Star Catalog (GSC) ID 07635-01376
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.;
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-23+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/WASP-23%20b/
WASP-23 b
WASP-23 b

  • WASP-23 b is an exoplanet orbiting the star WASP-23. Its discovery was publicly announced on 2010.
  • The host star WASP-23 has apparent magnitude of 12.7, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5150 with its spectral types of K1V
  • In this planetary system, the extrasolar planet WASP-23 b orbits around the star WASP-23 every 2.9 days with its orbital distance of 0.04 AU ( 5624879.9 km)
  • (Projected orbit of WASP-23 b around its host star WASP-23)


  • The Star WASP-23 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.440 AU ( 65755790.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.608 AU ( 90891687.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.926 AU ( 138498816.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.362 AU ( 203807076.1 km)
  • Radiation at Planetary Boundary of WASP-23 b : 357092.65 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-23)



  • Kopparapu Recent Venus for Star WASP-23 distance : 0.472 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-23 distance : 0.598 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-23 distance : 0.577 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-23 distance : 0.633 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-23 distance : 1.077 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-23 distance : 1.136 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-23)



  • Original Kopparapu Recent Venus for Star WASP-23 distance : 0.468 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-23 distance : 0.615 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-23 distance : 0.619 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-23 distance : 1.095 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-23 distance : 1.139 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-23)



    (Position in Stellar Map of star WASP-23 and its Exoplanet WASP-23 b)



    (Zoomed position in Stellar Map of star WASP-23 and its Exoplanet WASP-23 b (zoom level 3))

    (Synthetic Spectrum of star WASP-23*)
    *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