Imaginary Picture of HAT-P-33 b
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Exoplanet Name : HAT-P-33 b
Alternate Name :
Radius (Rjup / Re): 1.8270 (Rjup) 20.4788 (Rearth)
Mass (Mjup / Me): 0.7630 (Mjup) 242.5867 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0503 (AU) 0.0503 (AU Est.)
Eccentricity : 0.1480
Orbital Period(Yrs) 0.0095
Orbital Period(Observed/Estimated) 3.47 (Days Obs.) 3.48 (Days Est.)
Star Radiation at Atmospheric Boundary: 2569419.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1786.9 (K)
Blackbody T 0.3(K) 1678.1 (K)
Blackbody T 0.7(K) 1357.8 (K)
Tidally Locked Blackbody T 0.1(K) 2125.0 (K)
Tidally Locked Blackbody T 0.3(K) 1995.6 (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-33
Alternate Name :
Star Distance(LY) : 1359.0
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 2.4 (GY)
Temperature : 6401 (K)
Spectral type : F
Metalicity : 0.1
Absolute Magnitude: 3.8
Apparent Magnitude: 11.9
Right Ascension(RA) 113.1842
Declination (DEC) 33.8350
Hubble Space Telescope Guide Star Catalog (GSC) ID 02461-00988
Discovered by
Discovery Paper - Authors "J. D. Hartman, G. _. Bakos, G. Torres, D. W. Latham, G_za Kov_cs, B. B_ky, S. N. Quinn, T. Mazeh, A. Shporer, G. W. Marcy"
Discovery Paper - Title HAT-P-32b AND HAT-P-33b: TWO HIGHLY INFLATED HOT JUPITERS TRANSITING HIGH-JITTER STARS
Discovery Paper - Journal "The Astrophysical Journal,olume 742,umber 1"
Discovery Paper - URL http://iopscience.iop.org/article/10.1088/0004-637X/742/1/59/meta
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-33+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-33%20b/
HAT-P-33 b
HAT-P-33 b

  • HAT-P-33 b is an exoplanet orbiting the star HAT-P-33, located about 1359.0 light-years (416.7 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HAT-P-33 has apparent magnitude of 11.9, with absolute magnitude of 3.8.
  • It is 1.4 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6401 with its spectral types of F
  • In this planetary system, the extrasolar planet HAT-P-33 b orbits around the star HAT-P-33 every 3.5 days with its orbital distance of 0.05 AU ( 7524772.9 km)
  • (Projected orbit of HAT-P-33 b around its host star HAT-P-33)


  • The Star HAT-P-33 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.577 AU ( 235961525.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.180 AU ( 326160491.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.322 AU ( 496996410.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.889 AU ( 731351990.1 km)
  • Radiation at Planetary Boundary of HAT-P-33 b : 2569419.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-33)



  • Kopparapu Recent Venus for Star HAT-P-33 distance : 1.574 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-33 distance : 1.994 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-33 distance : 1.925 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-33 distance : 2.110 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-33 distance : 3.474 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-33 distance : 3.664 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-33)



  • Original Kopparapu Recent Venus for Star HAT-P-33 distance : 1.598 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-33 distance : 2.045 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-33 distance : 2.114 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-33 distance : 3.537 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-33 distance : 3.678 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-33)



    (Position in Stellar Map of star HAT-P-33 and its Exoplanet HAT-P-33 b)



    (Zoomed position in Stellar Map of star HAT-P-33 and its Exoplanet HAT-P-33 b (zoom level 3))