Imaginary Picture of Kepler-34 (AB) b

Display orbital revolution of Kepler-34 (AB) b around the hoststar Kepler-34 (AB)
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Exoplanet Name : Kepler-34 (AB) b
Alternate Name : KIC 8572936
Status : Confirmed
Radius (Rjup / Re): 0.7637 (Rjup) 8.5603 (Rearth)
Mass (Mjup / Me): 0.2200 (Mjup) 69.9464 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.0896 (AU) 1.0896 (AU Est.)
Eccentricity : 0.1820
Orbital Period(Yrs) 0.7907
Orbital Period(Observed/Estimated) 288.82 (Days Obs.) 288.83 (Days Est.)
Surface Gravity (G Earth) 0.9545
Star Radiation at Atmospheric Boundary: 1527.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 279.0 (K)
Blackbody T 0.3(K) 262.0 (K)
Blackbody T 0.7(K) 212.0 (K)
Tidally Locked Blackbody T 0.1(K) 331.8 (K)
Tidally Locked Blackbody T 0.3(K) 311.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-34 (AB)
Alternate Name :
Star Distance(LY) : 4889.1
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 2.1 (Msun Measured) 2.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5913 (K)
Spectral type : G
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: 4.1
Apparent Magnitude: 15.0
Right Ascension(RA) 296.4358
Declination (DEC) 44.6417
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "William F. Welsh1, Jerome A. Orosz1, Joshua A. Carter2, Daniel C. Fabrycky3, Eric B. Ford4, Jack J. Lissauer5, Andrej Prsa6, Samuel N. Quinn2,22, Darin Ragozzine2, Donald R. Short1, Guillermo Torres2, Joshua N. Winn7, Laurance R. Doyle8, Thomas Barclay5,19, Natalie Batalha5,20, Steven Bloemen23, Erik Brugamyer9, Lars A. Buchhave10,21, Caroline Caldwell9, Douglas A. Caldwell8, Jessie L. Christiansen5,8, David R. Ciardi11, William D. Cochran9, Michael Endl9, Jonathan J. Fortney12, Thomas N. Gautier III13, Ronald L. Gilliland25, Michael R. Haas5, Jennifer R. Hall24, Matthew J. Holman2, Andrew W. Howard14, Steve B. Howell5, Howard Isaacson14, Jon M. Jenkins5,8, Todd C. Klaus24, David W. Latham2, Jie Li5,8, Geoffrey W. Marcy14, Tsevi Mazeh15, Elisa V. Quintana5,8, Paul Robertson9, Avi Shporer16,18, Jason H. Steffen17, Gur Windmiller1, David G. Koch5, and William J. Borucki5 "
Discovery Paper - Title The Transiting Circumbinary Planets Kepler-34 and Kepler-35
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-34+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-34%20%28AB%29%20b/
Kepler-34 (AB) b
Kepler-34 (AB) b
  • Kepler-34 (AB) b is an exoplanet orbiting the star Kepler-34 (AB), located about 4889.1 light-years (1499.0 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star Kepler-34 (AB) has apparent magnitude of 15.0, with absolute magnitude of 4.1.
  • It is 2.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5913 with its spectral types of G
  • In this planetary system, the extrasolar planet Kepler-34 (AB) b orbits around the star Kepler-34 (AB) every 288.8 days with its orbital distance of 1.09 AU ( 163001839.9 km)
    • (Projected orbit of Kepler-34 (AB) b around its host star Kepler-34 (AB))


  • The Star Kepler-34 (AB) 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.833 AU ( 124642616.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.152 AU ( 172288668.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.755 AU ( 262529803.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.582 AU ( 386324106.2 km)
  • Radiation at Planetary Boundary of Kepler-34 (AB) b : 1527.87 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-34 (AB))



  • Kopparapu Recent Venus for Star Kepler-34 (AB) distance : 0.857 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-34 (AB) distance : 1.085 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-34 (AB) distance : 1.048 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-34 (AB) distance : 1.148 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-34 (AB) distance : 1.909 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-34 (AB) distance : 2.013 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-34 (AB))



  • Original Kopparapu Recent Venus for Star Kepler-34 (AB) distance : 0.860 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-34 (AB) distance : 1.114 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-34 (AB) distance : 1.138 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-34 (AB) distance : 1.943 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-34 (AB) distance : 2.020 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-34 (AB))



    (Position in Stellar Map of star Kepler-34 (AB) and its Exoplanet Kepler-34 (AB) b)



    (Zoomed position in Stellar Map of star Kepler-34 (AB) and its Exoplanet Kepler-34 (AB) b (zoom level 3))

    (Synthetic Spectrum of star Kepler-34 (AB)*)
    *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