Imaginary Picture of TrES-4 b
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Exoplanet Name : TrES-4 b
Alternate Name : TrES-4
Radius (Rjup / Re): 1.7060 (Rjup) 19.1226 (Rearth)
Mass (Mjup / Me): 0.9170 (Mjup) 291.5491 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0508 (AU) 0.0508 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.55 (Days Obs.) 3.55 (Days Est.)
Star Radiation at Atmospheric Boundary: 2266417.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1731.7 (K)
Blackbody T 0.3(K) 1626.3 (K)
Blackbody T 0.7(K) 1315.8 (K)
Tidally Locked Blackbody T 0.1(K) 2059.4 (K)
Tidally Locked Blackbody T 0.3(K) 1934.0 (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 : TrES-4
Alternate Name :
Star Distance(LY) : 1562.3
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 6200 (K)
Spectral type : F
Metalicity : 0.1
Absolute Magnitude: 3.2
Apparent Magnitude: 11.6
Right Ascension(RA) 268.3044
Declination (DEC) 37.2117
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TrES-4+&submit=SIMBAD+search
Open Exoplanet Database Link
TrES-4 b
TrES-4 b

  • TrES-4 b is an exoplanet orbiting the star TrES-4, located about 1562.3 light-years (479.0 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star TrES-4 has apparent magnitude of 11.6, with absolute magnitude of 3.2.
  • It is 1.4 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6200 with its spectral types of F
  • In this planetary system, the extrasolar planet TrES-4 b orbits around the star TrES-4 every 3.6 days with its orbital distance of 0.05 AU ( 7605555.7 km)
  • (Projected orbit of TrES-4 b around its host star TrES-4)


  • The Star TrES-4 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.497 AU ( 223991314.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.070 AU ( 309614532.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.154 AU ( 471784030.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.641 AU ( 694250868.5 km)
  • Radiation at Planetary Boundary of TrES-4 b : 2266417.21 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TrES-4)



  • Kopparapu Recent Venus for Star TrES-4 distance : 1.513 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TrES-4 distance : 1.916 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TrES-4 distance : 1.850 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TrES-4 distance : 2.027 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TrES-4 distance : 3.350 AU
  • Kopparapu Outer Boundary for Early Mars for Star TrES-4 distance : 3.533 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TrES-4)



  • Original Kopparapu Recent Venus for Star TrES-4 distance : 1.528 AU
  • Original Kopparapu Runaway Greenhouse for Star TrES-4 distance : 1.966 AU
  • Original Kopparapu Moist Greenhouse for Star TrES-4 distance : 2.022 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TrES-4 distance : 3.410 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TrES-4 distance : 3.546 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TrES-4)



    (Position in Stellar Map of star TrES-4 and its Exoplanet TrES-4 b)



    (Zoomed position in Stellar Map of star TrES-4 and its Exoplanet TrES-4 b (zoom level 3))