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With the unprecedented photometric precision of the Kepler Spacecraft, significant systematic and stochastic errors on transit signal levels are observable in the Kepler photometric data. These errors, which include discontinuities,…

Space-based transit search missions such as Kepler are collecting large numbers of stellar light curves of unprecedented photometric precision and time coverage. However, before this scientific goldmine can be exploited fully, the data must…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 S. Roberts , A. McQuillan , S. Reece , S. Aigrain

Stellar rotation plays a key role in stellar activity. The rotation period could be detected through light curve variations caused by starspots. Kepler provides two types of light curves, one is the Pre-search Data Conditioning (PDC) light…

Solar and Stellar Astrophysics · Physics 2019-10-02 Kaiming Cui , Jifeng Liu , Shuhong Yang , Qing Gao , Huiqin Yang , Roberto Soria , Lin He , Song Wang , Yu Bai , Fan Yang

The Kepler Mission seeks to detect Earth-size planets transiting solar-like stars in its ~115 deg^2 field of view over the course of its 3.5 year primary mission by monitoring the brightness of each of ~156,000 Long Cadence stellar targets…

The Kepler spacecraft has collected data of high photometric precision and cadence almost continuously since operations began on 2009 May 2. Primarily designed to detect planetary transits and asteroseismological signals from solar-like…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 K. Kinemuchi , T. Barclay , M. Fanelli , J. Pepper , M. Still , Steve B. Howell

NASA's \textit{Kepler} primary mission observed about 116 $deg^2$ in the sky for 3.5 consecutive years to discover Earth-like exoplanets. This mission recorded pixel cutouts, known as Target Pixel Files (TPFs), of over $200,000$ targets…

Earth and Planetary Astrophysics · Physics 2023-10-30 Jorge Martinez-Palomera , Christina Hedges , Jessie Dotson

The Kepler Mission Science Operations Center (SOC) performs several critical functions including managing the ~156,000 target stars, associated target tables, science data compression tables and parameters, as well as processing the raw…

The Kepler Eclipsing Binary Catalog (KEBC)describes 2165 eclipsing binaries identified in the 115 deg^2 Kepler Field based on observations from Kepler quarters Q0, Q1, and Q2. The periods in the KEBC are given in units of days out to six…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Kenneth J. Mighell , Peter Plavchan

The recently approved NASA K2 mission has the potential to multiply by an order of magnitude the number of short-period transiting planets found by Kepler around bright and low-mass stars, and to revolutionise our understanding of stellar…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Suzanne Aigrain , Simon T. Hodgkin , Michael J. Irwin , Jim R. Lewis , Stephen J. Roberts

Recent developments in computational power and machine learning techniques motivate their use in many different astrophysical research areas. Consequently, many machine learning models have been trained to classify exoplanet transit signals…

Earth and Planetary Astrophysics · Physics 2025-12-10 Ayan Bin Rafaih , Zachary Murray

We present ARC2 (Astrophysically Robust Correction 2), an open-source Python-based systematics-correction pipeline to correct for the Kepler prime mission long cadence light curves. The ARC2 pipeline identifies and corrects any isolated…

Instrumentation and Methods for Astrophysics · Physics 2017-08-16 S. Aigrain , H. Parviainen , S. Roberts , S. Reece , T. Evans

With the availability of large-scale surveys like Kepler and TESS, there is a pressing need for automated methods to classify light curves according to known classes of variable stars. We introduce a new algorithm for classifying light…

Solar and Stellar Astrophysics · Physics 2022-06-30 Nicholas H. Barbara , Timothy R. Bedding , Ben D. Fulcher , Simon J. Murphy , Timothy Van Reeth

After the failure of two reaction wheels and the end of its original mission, the Kepler spacecraft has begun observing stars in new fields along the ecliptic plane in its extended K2 mission. Although K2 promises to deliver high precision…

Instrumentation and Methods for Astrophysics · Physics 2014-12-08 Andrew Vanderburg

The Kepler field hosts the best studied sample of field star rotation periods. However, due to Kepler's large 4" pixels, many of its light curves are at high risk of contamination from background sources. The new Kepler Bonus Background…

Solar and Stellar Astrophysics · Physics 2025-06-05 Zachary R. Claytor , Jamie Tayar

We present the first results of the application of supervised classification methods to the Kepler Q1 long-cadence light curves of a subsample of 2288 stars measured in the asteroseismology program of the mission. The methods, originally…

The Kepler Mission was designed to identify and characterize transiting planets in the Kepler Field of View and to determine their occurrence rates. Emphasis was placed on identification of Earth-size planets orbiting in the Habitable Zone…

We present ground-based observations from the Discovery Channel Telescope (DCT) of three transits of Kepler-445c---a supposed super-Earth exoplanet with properties resembling GJ 1214b---and demonstrate that the transit depth is…

Earth and Planetary Astrophysics · Physics 2017-01-18 Paul A. Dalba , Philip S. Muirhead , Bryce Croll , Eliza M. -R. Kempton

The Kepler Mission offers two options for observations -- either Long Cadence (LC) used for the bulk of core mission science, or Short Cadence (SC) which is used for applications such as asteroseismology of solar-like stars and transit…

Given the extreme precision attainable with the Kepler Space Telescope, the mitigation of instrumental artefacts is very important. In an earlier paper (Murphy 2012), the characteristics of Kepler data were discussed in light of their…

Solar and Stellar Astrophysics · Physics 2013-04-11 S. J. Murphy

This paper presents detailed consideration of methodologies to calibrate differential light curves for accurate physical starspot modeling. We use the Sun and starspot models as a testbed to highlight some factors in this calibration that…

Solar and Stellar Astrophysics · Physics 2018-10-17 Gibor Basri
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