Planet Kepler-9 c

Name Kepler-9 c
Planet Status Confirmed
Discovered in 2010
Mass 0.0941 ( -0.0072 +0.0057 ) MJ
Mass*sin(i)
Semi-Major Axis 0.229 (± 0.002) AU +
Orbital Period 38.969 day
Eccentricity 0.0684 (± 0.0002)
ω 169.3 (± 0.2) deg
Tperi
Radius 0.74 ( -0.08 +0.071 ) RJ
Inclination 87.2 (± 0.7) deg +
Update 2018-11-20
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2455164.18301 (± 0.00074) 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

Star

Kepler-9
Name Kepler-9
Distance
Spectral type
Apparent magnitude V 13.9
Mass 1.0 (± 0.1) MSun
Age 3.0 (± 1.0) Gyr
Effective temperature 5722.0 K
Radius 1.1 (± 0.09) RSun
Metallicity [Fe/H] 0.17
Detected Disc
Magnetic Field
RA2000 19:02:18.0
Dec2000 +38:24:03
Alternate Names
Planetary system
3 planets

Remarks

Alias KIC 3323887
Alias 2MASS 19021775+3824032

More data


Related publications

Stellar Spin-Orbit Alignment for Kepler-9, a Multi-transiting Planetary system with Two Outer Planets Near 2:1 Resonance
2018 WANG S., ADDISON B., FISCHER D., BREWER J., ISAACSON H. et al.
Astron. J., 155, 70
paper  arxiv  

Kepler Planet Masses and Eccentricities from TTV Analysis
2017 HADDEN S. & LITHWICK Y.
Astron. J., 154, 5
paper  arxiv  

Chaos in Terrestrial Planet Formation
2015 HOFFMANN, V., GRIMM, S., MOORE, B. & J. STADEL
MNRAS, submitted
arxiv     

Understanding the Mass-Radius Relation for Sub-Neptunes: Radius as a Proxy for Composition
2014 LOPEZ E. & FORTNEY J.
ApJ, 792, 1
paper   arxiv   ADS  

Inside-Out Planet Formation
2014 CHATTERJEE S. & TAN J.
ApJ Letters, 780, 53
paper   arxiv   ADS  

Kepler-9 revisited 60% the mass with six times more data
2014 DREIZLER S. & OFIR A.
Astron. & Astrophys., submitted
arxiv  

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2014 BORSATO, L., MARZARI, F., NASCIMBENI, V., PIOTTO, G., GRANATA, V. & 2 additional authors
Astron. & Astrophys., accepted
arxiv 

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2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Planet-disk interaction and orbital evolution
2012 KLEY W. & NELSON R.
Ann. Rev. Astron. & Astrophys., 50, 211-249
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2012 TREMAINE S. & DONG S.
Astron. J., 143, 94
paper

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2012 DODSON-ROBINSON S.
ApJ., 752, Issue 1, 72, 9 pp
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Taxonomy of the extrasolar planet
2012 PLAVALOVA E.
Astrobiology, 12, 361
paper   arxiv

Transit Timing Measurements Using a New Technique "Barycenter Method": Application to LHS 6343 System
2012 OSHAGH M., BOUE G., HAGHIGHIPOUR N., MONTALTO M., FIGUIRA P. & SANTOS N.
Astron. & Astrophys., 540, A62
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

The Exoplanet Orbit Database
2011 WRIGHT J., FAKHOURI O., MARCY G., HAN E., FENG Y., JOHNSON A., HOWARD A., VALENTI J., ANDERSON J. & PISKUNOV N.
PASP, 123, 412
paper   arxiv

The California Planet Survey III. A Possible 2:1 Resonance in the Exoplanetary Triple System HD 37124
2011 WRIGHT J., VERAS D., FORD E., JOHNSON J., MARCY G., HOWARD A., ISSACSON H., FISCHER D., SPRONCK J., ANDERSON J. & VALENTI J.
ApJ., 730, 93
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2011 HOLMAN M., FABRYCKY D., RAGOZZINE D., FORD E., STEFFEN J. & Kepler Science Team
BAAS, 43, no 1, 121.03
abstract

The multiple planets transiting Kepler-9 I. Inferring stellar properties and planetary compositions
2011 HAVEL M., GUILLOT T., VALENCIA D. & CRIDA A.
Astron. & Astrophys., 531, A3
paper   arxiv

The Heavy Element Masses of Extrasolar Giant Planets, Revealed
2011 MILLER N. & FORTNEY J.
ApJ. Letters, 736, L29
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Density Estimation for Projected Exoplanet Quantities
2011 BROWN R.
ApJ., 733, 68
paper

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2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
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Climate instability on tidally locked exoplanets
2011 KITE E., GAIDOS E. & MANGA M.
ApJ., 743, 41
paper   arxiv

Modeling Kepler transit light curves as false positives: rejection of blend scenarios for Kepler-9, and validation of Kepler-9 d, a super-Earth-ize planet in a multiple system
2011 TORRES G., FRESSIN F., BATALHA N., BORUCKI W., BROWN T. & 27 additional authors
ApJ., 727, 24
paper

Kepler-9: A System of Multiple Planets Transiting a Sun-Like Star, Confirmed by Timing Variations
2010 HOLMAN M., FABRYCKY D., RAGOZZINE D., FORD E., STEFFEN J. & 37 additional authors
Science, 330, 51
paper

A short-period censor of sub-Jupiter mass exoplanets with low density
2010 SZABO Gy. & KISS L.
ApJ. Letters, 727, L44
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