Imaginary Picture of CoRoT-4 b
/
Exoplanet Name : CoRoT-4 b
Alternate Name :
Radius (Rjup / Re): 1.1900 (Rjup) 13.3387 (Rearth)
Mass (Mjup / Me): 0.7200 (Mjup) 228.9154 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0900 (AU) 0.0900 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0252
Orbital Period(Observed/Estimated) 9.20 (Days Obs.) 9.40 (Days Est.)
Star Radiation at Atmospheric Boundary: 293953.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1039.2 (K)
Blackbody T 0.3(K) 975.9 (K)
Blackbody T 0.7(K) 789.6 (K)
Tidally Locked Blackbody T 0.1(K) 1235.9 (K)
Tidally Locked Blackbody T 0.3(K) 1160.6 (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 : CoRoT-4
Alternate Name :
Star Distance(LY) : 2507.2
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 1.0 (GY)
Temperature : 6190 (K)
Spectral type : F8V
Metalicity : 0.1
Absolute Magnitude: 4.3
Apparent Magnitude: 13.7
Right Ascension(RA) 102.1946
Declination (DEC) -0.6728
Hubble Space Telescope Guide Star Catalog (GSC) ID 04800-02187
Discovered by
Discovery Paper - Authors "S. Aigrain,. Collier Cameron,. Ollivier,. Pont,. Jorda,. M. Almenara,. Alonso,. Barge,. Borde,. Bouchy,. Deeg,. De la Reza,. Deleuil,. Dvorak,. Erikson,. Fridlund,. Gondoin,. Gillon,. Guillot,. Hatzes,. Lammer,. F. Lanza,. Leger,. Llebaria,. Magain,. Mazeh,. Moutou,. Paetzold,. Pinte,. Queloz,. Rauer,. Rouan,J. Schneider,. Wuchter,. Zucker"
Discovery Paper - Title Transiting exoplanets from the CoRoT space mission IV: CoRoT-Exo-4b: A transiting planet in a 9.2 day synchronous orbit
Discovery Paper - Journal "A&A 488, L43-L46 (2008) DOI: 10.1051/0004-6361:200810246"
Discovery Paper - URL https://www.aanda.org/articles/aa/pdf/forth/aa10246-08.pdf
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CoRoT-4+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-4%20b/
CoRoT-4 b
CoRoT-4 b

  • CoRoT-4 b is an exoplanet orbiting the star CoRoT-4, located about 2507.2 light-years (768.7 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star CoRoT-4 has apparent magnitude of 13.7, with absolute magnitude of 4.3.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6190 with its spectral types of F8V
  • In this planetary system, the extrasolar planet CoRoT-4 b orbits around the star CoRoT-4 every 9.2 days with its orbital distance of 0.09 AU ( 13463808.4 km)
  • (Projected orbit of CoRoT-4 b around its host star CoRoT-4)


  • The Star CoRoT-4 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.955 AU ( 142802973.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.319 AU ( 197391028.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.011 AU ( 300780244.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.959 AU ( 442611306.4 km)
  • Radiation at Planetary Boundary of CoRoT-4 b : 293953.12 W/m2

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



  • Kopparapu Recent Venus for Star CoRoT-4 distance : 0.965 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-4 distance : 1.222 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-4 distance : 1.180 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-4 distance : 1.293 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-4 distance : 2.137 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-4 distance : 2.254 AU

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



  • Original Kopparapu Recent Venus for Star CoRoT-4 distance : 0.975 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-4 distance : 1.254 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-4 distance : 1.290 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-4 distance : 2.176 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-4 distance : 2.263 AU

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



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



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