Planet KELT-11 b

Name KELT-11 b
Planet Status Confirmed
Discovered in 2016
Mass 0.195 ( -0.019 +0.019 ) MJ
Mass*sin(i)
Semi-Major Axis 0.06229 ( -0.00076 +0.00088 ) AU
Orbital Period 4.736529 ( -5.9e-05 +6.8e-05 ) day
Eccentricity 0.0
ω
Tperi
Radius 1.3 ( -0.12 +0.18 ) RJ
Inclination 85.8 ( -1.8 +2.4 ) deg
Update 2020-10-06
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457440.8323 ( -0.0036 +0.0042 ) JD
Secondary transit 2457059.5415 (± 0.0027) JD
λ
Impact Parameter b 0.36 ( -0.2 +0.13 )
Time Vr=0
Velocity Semiamplitude K 18.5 (± 1.7) m/s
Calculated temperature 1712.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

KELT-11
Name KELT-11
Distance 98.0 (± 5.0) pc
Spectral type G8
Apparent magnitude V 8.0
Mass 1.438 ( -0.052 +0.061 ) MSun
Age
Effective temperature 5370.0 (± 51.0) K
Radius 2.72 ( -0.17 +0.21 ) RSun
Metallicity [Fe/H] 0.18 (± 0.075)
Detected Disc
Magnetic Field
RA2000 10:46:50.0
Dec2000 -09:23:57
Alternate Names HD 93396
Planetary system 1 planet

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
H2O Measurements Detected 2020 - CHANGEAT Q.

Observability Predictor


Related publications

Detection and characterization of planets orbiting oscillating red-giant stars with NASA's TESS mission
2021 PEREIRA F.
PhD thesis (Universidade do Porto)
arxiv  

KELT-11 b: Abundances of water and constraints on carbon-bearing molecules from the Hubble transmission spectrum
2020 CHANGEAT Q., EDWARDS B., AL-REFALE A., MORVAN M., TSIARAS A. et al.
Astron. J., 160, 200
https://doi.org/10.3847/1538-3881/abbe12 paper  arxiv  

An Unusual Transmission Spectrum for the Sub-Saturn KELT-11b Suggestive of a Sub-Solar Water Abundance
2020 COLON K., KREIDBERG L., LINE M., WELBANKS L., MADHUSUDHAN N., et al.
Astron. J., 160, 280
arxiv   arxiv

Detection limits of exoplanetary atmospheres with 2-m class telescopes
2019 KABATH P., ZAK J., BOFFIN H., IVANOV V., JONES D. & SKARKA M.
PASP, 131, 085001
paper  arxiv  

High-resolution Transmission Spectroscopy of Four Hot Inflated Gas Giant Exoplanets
2019 ZAK J., KABATH P., BOFFIN H., IVANOV M. & SKARKA M.
Astron. J., 158, 120
paper

KELT: The Kilodegree Extremely Little Telescope, a Survey for Exoplanets Transiting Bright, Hot Stars
2018 PEPPER J., STASSUN K. & GAUDI S.
in the 'Handbook of Exoplanets,' Springer
arxiv  

KELT-11b: A Highly Inflated Sub-Saturn Exoplanet Transiting the V=8 Subgiant HD 93396
2017 PEPPER J., RODRIGUEZ J., COLLINS K., JOHNSON J., FULTON B. et al.
Astron. J., 153, 215
paper  arxiv  ADS

Determining Empirical Stellar Masses and Radii from Transits and Gaia Parallaxes as Illustrated by Spitzer Observations of KELT-11b
2016 BEATTY Th., STEVENS D., COLLINS K., COLON K., JAMES D. et al.
Astron. J., 154, 25
paper  arxiv