Imaginary Picture of HD 207832 A b

Display orbital revolution of HD 207832 A b around the hoststar HD 207832 A
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Exoplanet Name : HD 207832 A b
Alternate Name : HD 207832 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.5600 (Mjup) 178.0453 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.5700 (AU) 0.5700 (AU Est.)
Eccentricity : 0.1300
Orbital Period(Yrs) 0.4434
Orbital Period(Observed/Estimated) 161.97 (Days Obs.) 162.12 (Days Est.)
Surface Gravity (G Earth) 1.7194
Star Radiation at Atmospheric Boundary: 3257.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 337.2 (K)
Blackbody T 0.3(K) 316.6 (K)
Blackbody T 0.7(K) 256.2 (K)
Tidally Locked Blackbody T 0.1(K) 401.0 (K)
Tidally Locked Blackbody T 0.3(K) 376.6 (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 207832 A
Alternate Name : HD 207832
Star Distance(LY) : 177.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5710 (K)
Spectral type : G5V
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 47.9
Metalicity : 0.1
Absolute Magnitude: 5.1
Apparent Magnitude: 8.8
Right Ascension(RA) 328.1512
Declination (DEC) -26.0267
Hubble Space Telescope Guide Star Catalog (GSC) ID 06956-00378
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+207832+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20207832%20b/
HD 207832 A b
HD 207832 A b

  • HD 207832 A b is an exoplanet orbiting the star HD 207832 A, located about 177.5 light-years (54.4 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HD 207832 A has apparent magnitude of 8.8, with absolute magnitude of 5.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5710 with its spectral types of G5V
  • In this planetary system, the extrasolar planet HD 207832 A b orbits around the star HD 207832 A every 162.0 days with its orbital distance of 0.57 AU ( 85270786.3 km)
  • (Projected orbit of HD 207832 A b around its host star HD 207832 A)


  • The Star HD 207832 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.636 AU ( 95203983.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.880 AU ( 131596784.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.340 AU ( 200524377.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.972 AU ( 295080406.3 km)
  • Radiation at Planetary Boundary of HD 207832 A b : 3257.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 207832 A)



  • Kopparapu Recent Venus for Star HD 207832 A distance : 0.662 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 207832 A distance : 0.839 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 207832 A distance : 0.810 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 207832 A distance : 0.888 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 207832 A distance : 1.484 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 207832 A distance : 1.565 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 207832 A)



  • Original Kopparapu Recent Venus for Star HD 207832 A distance : 0.662 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 207832 A distance : 0.862 AU
  • Original Kopparapu Moist Greenhouse for Star HD 207832 A distance : 0.876 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 207832 A distance : 1.510 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 207832 A distance : 1.570 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 207832 A)



    (Position in Stellar Map of star HD 207832 A and its Exoplanet HD 207832 A b)



    (Zoomed position in Stellar Map of star HD 207832 A and its Exoplanet HD 207832 A b (zoom level 3))

    (Synthetic Spectrum of star HD 207832 A*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102