Imaginary Picture of HAT-P-39 b
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Exoplanet Name : HAT-P-39 b
Alternate Name :
Radius (Rjup / Re): 1.5710 (Rjup) 17.6093 (Rearth)
Mass (Mjup / Me): 0.5990 (Mjup) 190.4449 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0509 (AU) 0.0509 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.54 (Days Obs.) 3.54 (Days Est.)
Star Radiation at Atmospheric Boundary: 2136583.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1706.4 (K)
Blackbody T 0.3(K) 1602.5 (K)
Blackbody T 0.7(K) 1296.6 (K)
Tidally Locked Blackbody T 0.1(K) 2029.2 (K)
Tidally Locked Blackbody T 0.3(K) 1905.7 (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 : HAT-P-39
Alternate Name :
Star Distance(LY) : 2093.9
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 6430 (K)
Spectral type : F7
Metalicity : 0.2
Absolute Magnitude: 2.4
Apparent Magnitude: 11.4
Right Ascension(RA) 113.7582
Declination (DEC) 17.8300
Hubble Space Telescope Guide Star Catalog (GSC) ID 01364-01424
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=HAT-P-39+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-39%20b/
HAT-P-39 b
HAT-P-39 b

  • HAT-P-39 b is an exoplanet orbiting the star HAT-P-39, located about 2093.9 light-years (642.0 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HAT-P-39 has apparent magnitude of 11.4, with absolute magnitude of 2.4.
  • It is 1.4 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6430 with its spectral types of F7
  • In this planetary system, the extrasolar planet HAT-P-39 b orbits around the star HAT-P-39 every 3.5 days with its orbital distance of 0.05 AU ( 7614531.6 km)
  • (Projected orbit of HAT-P-39 b around its host star HAT-P-39)


  • The Star HAT-P-39 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.455 AU ( 217737596.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.012 AU ( 300970259.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.066 AU ( 458612070.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.511 AU ( 674867752.4 km)
  • Radiation at Planetary Boundary of HAT-P-39 b : 2136583.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-39)



  • Kopparapu Recent Venus for Star HAT-P-39 distance : 1.450 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-39 distance : 1.837 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-39 distance : 1.774 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-39 distance : 1.943 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-39 distance : 3.199 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-39 distance : 3.374 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-39)



  • Original Kopparapu Recent Venus for Star HAT-P-39 distance : 1.473 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-39 distance : 1.883 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-39 distance : 1.949 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-39 distance : 3.256 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-39 distance : 3.387 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-39)



    (Position in Stellar Map of star HAT-P-39 and its Exoplanet HAT-P-39 b)



    (Zoomed position in Stellar Map of star HAT-P-39 and its Exoplanet HAT-P-39 b (zoom level 3))