Imaginary Picture of AF Lep b

Display orbital revolution of AF Lep b around the hoststar AF Lep
/
Exoplanet Name : AF Lep b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.3300 (Rjup) 14.9080 (Rearth)
Mass (Mjup / Me): 2.8000 (Mjup) 890.2264 (Mearth)
Semi Major Axis / Orbital Distance Calculated 8.2000 (AU) 8.2000 (AU Est.)
Eccentricity : 0.0400
Orbital Period(Yrs) 22.2992
Orbital Period(Observed/Estimated) 8145.00 (Days Obs.) 7829.25 (Days Est.)
Surface Gravity (G Earth) 4.0056
Star Radiation at Atmospheric Boundary: 40.2 (W/m2)
Measured Temperature (K) 1800.0 (K)
Blackbody T 0.1(K) 112.4 (K)
Blackbody T 0.3(K) 105.6 (K)
Blackbody T 0.7(K) 85.4 (K)
Tidally Locked Blackbody T 0.1(K) 133.7 (K)
Tidally Locked Blackbody T 0.3(K) 125.5 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : AF Lep
Alternate Name :
Star Distance(LY) : 87.6
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6130 (K)
Spectral type : F8V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 4.2
Apparent Magnitude: 6.3
Right Ascension(RA) 81.7708
Declination (DEC) -11.9011
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
AF Lep b
AF Lep b

  • AF Lep b is an exoplanet orbiting the star AF Lep, located about 87.6 light-years (26.8 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star AF Lep has apparent magnitude of 6.3, with absolute magnitude of 4.2.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6130 with its spectral types of F8V
  • In this planetary system, the extrasolar planet AF Lep b orbits around the star AF Lep every 8145.0 days with its orbital distance of 8.20 AU ( 1226702539.7 km)
  • (Projected orbit of AF Lep b around its host star AF Lep)


  • The Star AF Lep 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.018 AU ( 152226083.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.407 AU ( 210416229.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.143 AU ( 320627768.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.154 AU ( 471817806.6 km)
  • Radiation at Planetary Boundary of AF Lep b : 40.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star AF Lep)



  • Kopparapu Recent Venus for Star AF Lep distance : 1.032 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star AF Lep distance : 1.307 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star AF Lep distance : 1.263 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star AF Lep distance : 1.384 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star AF Lep distance : 2.289 AU
  • Kopparapu Outer Boundary for Early Mars for Star AF Lep distance : 2.415 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star AF Lep)



  • Original Kopparapu Recent Venus for Star AF Lep distance : 1.041 AU
  • Original Kopparapu Runaway Greenhouse for Star AF Lep distance : 1.342 AU
  • Original Kopparapu Moist Greenhouse for Star AF Lep distance : 1.378 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star AF Lep distance : 2.330 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star AF Lep distance : 2.423 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star AF Lep)



    (Position in Stellar Map of star AF Lep and its Exoplanet AF Lep b)



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

    (Synthetic Spectrum of star AF Lep*)
    *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