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10 Mar 2012 - 10 May 2020

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About this capture

COLLECTED BY

Organization:Internet Archive

The Internet Archive discovers and captures web pages through many different web crawls.At any given time several distinct crawls are running, some for months, and some every day or longer.View the web archive through theWayback Machine.

Collection:Wide Crawl started January 2012

Web wide crawl with initial seedlist and crawler configuration from January 2012 using HQ software.

TIMESTAMPS

Site Banner: Kepler. A Search for Habitable Planets.

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http://kepler.nasa.gov/Mission/discoveries/kepler20f/index.cfm

Home > Mission > Kepler Discoveries

About Follow-up Observations

Papers on Kepler Discoveries

Illustrations for Discoveries

Kepler-20f

System Parameters for Kepler-20f

Stellar properties

Effective temperature, T_eff	5466 ± 93 K
Surface gravity log g (cgs)	4.443 ± 0.075
Metallicity [Fe/H]	0.02 ± 0.04
Projected rotational velocity, v sin i	0.4 ± 0.5 km s^-1
Stellar mass, M_s	0.912 ± 0.035 M_Sun
Stellar radius, R_s	0.944_{+0.060 -0.095} R_Sun
Stellar density, ρ_s	1.51 ± 0.39 g cm^-3
Luminosity, L_s	0.853 ± 0.093 L_sun
Distance, D	290 ± 30 pc

Transit parameters and physical properties: Kepler-20f (KOI-070.05)

Orbital period, P	19.57706 ± 0.00052 days
Times of centre of transit, T_c	2454968.219_{± 0.011} BJD
Eccentricity	< 0.32
Planet/star radius ratio, R_p/R_s	0.01002_{+0.00063 -0.00077}
Scaled semi-major axis, a/R_s	25.15_{+0.47 -0.63}
Impact parameter, b	0.727_{+0.054 -0.053}
Orbital inclination, i	88.68_{+0.14 -0.17} degrees
Planet radius, R_p	1.034_{+0.100 -0.127} R_e
Planet mass, M_p	< 14.3 M_e (spectroscopic limit) 0.66 M_e< M_p < 3.04 M_e (theoretical considerations)
Planet equilibrium temperature, T_eq	705 ± 16 K

Light Curve for Kepler-20f

Finder Charts[coming soon]

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Last Modified: 20 Dec 2011