Kepler 16



  1. Kepler 1649
  2. Kepler 160
  3. Kepler 16 Ab B
  4. Kepler 1649b
NameKepler-16 (AB) b
Planet StatusConfirmed
Discovered in2011
Mass0.333 ( -0.016+0.016 ) MJ
Mass*sin(i)
Semi-Major Axis0.7048 (± 0.001) AU
Orbital Period228.776 ( -0.037+0.037 ) day
Eccentricity0.00685 ( -0.00146+0.00146 )
ω318.0 ( -22.0+22.0 ) deg
Tperi
Radius0.7538 ( -0.0023+0.0023 ) RJ
Inclination90.0322 ( -0.0023+0.0023 ) deg
Update2013-08-30
Detection MethodPrimary Transit
Mass Detection Method
Radius Detection Method
Primary transit2455212.12316 JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Like Luke Skywalker’s home planet Tatooine from “Star Wars,” Kepler-16b orbits a pair of stars. This 2011 discovery by NASA’s Kepler mission was one of the first worlds found orbiting a binary star, proving that a double-sunset is anything but science fiction. Amazon.com: Relax On Kepler 16B - NASA JPL Space Tourism Travel Poster 24' x 36' (Unframed) - Certified DigitalFusion CTI Printed with 200 Year Lifespan.

Star

Kepler-16 (AB)
NameKepler-16 (AB)
Distance
Spectral typeK
Apparent magnitude V12.0
Mass0.8499 (± 0.017) MSun
Age
Effective temperature4450.0 (± 150.0) K
Radius0.65 (± 0.0) RSun
Metallicity [Fe/H]-0.3 (± 0.2)
Detected Disc
Magnetic Field
RA200019:16:18.0
Dec2000+51:45:27
Alternate Names
Planetary system 1 planet

Remarks

Alias KIC 12644769
Alias 2MASS 19161817+5145267

03 May 2012: Revised parameters (Bender et al. 2012):
- MA = 0.654 ± 0.017 MSun
- MB = 0.1959 ± 0.0031 MSun
- e = 0.15894 ± 0.00079
- ω = 263.287 ± 0.041 deg.
13 Sep 2011: Kepler 16 is an eclisping binary star with a 41.0781 day period with two K or M components (Slawson et al. 2011).

The mass given to Kepler-16(AB) is the sum of the masses of components A and B.
The parameters for the individual components are (in solar units - Doyle et al. 2011):
Star A:
Mass: 0.6897 ± 0.0035
Radius: 0.6489 ± 0.0013
Temp.: 4450 ± 150 K
[Fe/H]: -0.3 ± 0.2
Star B:
Mass: 0.20255 ± 0.00065
Radius: 0.22623 ± 0.00059
Binary system:
Period: 41.079 ± 0.000078 day
Semi-maj. axis: 0.224 ± 0.00035 AU
Inclination: 90.3401 ± 0.0019 deg.
Ecc.: 0.15944 ± 0.0006

More data

  • Most recent references (ADS)

Remarks

13 Sep 2011: The planet Kepler-16 b was first suspected by Slawson et al. 2011.

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