Imaginary Picture of HD 7449 c
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Exoplanet Name : HD 7449 c
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 19.2000 (Mjup) 6104.4096 (Mearth)
Semi Major Axis / Orbital Distance Calculated 12.7000 (AU) 12.7000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 42.2740
Orbital Period(Observed/Estimated) 15441.00 (Days Obs.) 16132.48 (Days Est.)
Star Radiation at Atmospheric Boundary: 10.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 79.8 (K)
Blackbody T 0.3(K) 74.9 (K)
Blackbody T 0.7(K) 60.6 (K)
Tidally Locked Blackbody T 0.1(K) 94.9 (K)
Tidally Locked Blackbody T 0.3(K) 89.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 7449
Alternate Name :
Star Distance(LY) : 120.2
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 2.1 (GY)
Temperature : 6024 (K)
Spectral type : F8V
Metalicity : -0.1
Absolute Magnitude: 4.7
Apparent Magnitude: 7.5
Right Ascension(RA) 18.6222
Declination (DEC) -5.0475
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Dumusque,.; Lovis,.; S_gransan,.; Mayor,.; Udry,.; Benz,.; Bouchy,.; Lourto,.; Mordasini,.; Pepe,.; Queloz,.; Santos,..; Naef,."
Discovery Paper - Title The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+7449+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%207449%20b/
HD 7449 c
HD 7449 c

  • HD 7449 c is an exoplanet orbiting the star HD 7449, located about 120.2 light-years (36.8 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 7449 has apparent magnitude of 7.5, with absolute magnitude of 4.7.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 6024 with its spectral types of F8V
  • In this planetary system, the extrasolar planet HD 7449 c orbits around the star HD 7449 every 15441.0 days with its orbital distance of 12.70 AU ( 1899892957.9 km)
  • (Projected orbit of HD 7449 c around its host star HD 7449)


  • The Star HD 7449 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.794 AU ( 118781666.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.098 AU ( 164187303.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.672 AU ( 250185116.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.461 AU ( 368158358.9 km)
  • Radiation at Planetary Boundary of HD 7449 c : 10.21 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 7449)



  • Kopparapu Recent Venus for Star HD 7449 distance : 0.811 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 7449 distance : 1.027 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 7449 distance : 0.992 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 7449 distance : 1.087 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 7449 distance : 1.802 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 7449 distance : 1.901 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 7449)



  • Original Kopparapu Recent Venus for Star HD 7449 distance : 0.816 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 7449 distance : 1.054 AU
  • Original Kopparapu Moist Greenhouse for Star HD 7449 distance : 1.080 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 7449 distance : 1.834 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 7449 distance : 1.907 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 7449)



    (Position in Stellar Map of star HD 7449 and its Exoplanet HD 7449 c)



    (Zoomed position in Stellar Map of star HD 7449 and its Exoplanet HD 7449 c (zoom level 3))