Location: See RoboVetter-Input.txt at Jeff Coughlin's Robovetter GitHub repository for DR24; Kepler Simulated Data (NASA Exoplanet Archive) or NASA Kepler Robovetter GitHub repository for DR25. each quarter. Science, Instrument Performance in Kepler's First Months, Overview of the Kepler Science Processing Pipeline, Pixel-Level Calibration in the Kepler Science Operations Center 2016, ApJ, 828, 99. some spacecraft or detector process. 2011, AJ 142, 112 (KIC) and Kepler Stellar Documentation (NASA Exoplanet Archive) for links to updates. caution: (1) Low amplitude (10s-100s PPM) variability with periods > 10 days. Corpus ID: 220426885; Kepler Data Processing Handbook: Photometric Analysis @inproceedings{Morris2017KeplerDP, title={Kepler Data Processing Handbook: Photometric Analysis}, author={Robert Morris and Joseph D. Twicken and Jeffrey C. Smith and Bruce D. Clarke and Jon M. Jenkins and Stephen T. Bryson and Forrest R. Girouard and Todd C. Klaus}, year={2017} } Noise These Vetting Forms are useful in evaluating the performance of the Robovetter on these scrambled data sets. Inputs: On-orbit data collected by the spacecraft. The first four Campaigns had GO programs that were not In addition to a complete set of results for the nominally processed flight data, this category includes similar products for several synthetic data sets (i.e., pixel-level transit injection, flux inversion, and flux scrambling) that were used to characterize pipeline and Robovetter performance. Data Conditioning (PDC) for correction of systematic errors. detection sensitivity. Guest Observer (GO) program cycle, the beginning and end dates for This switch The barycentric corrections produced in PA variation has been used in different data releases. that as of August 2016, the Kepler detector has three dead modules (3, dark current is essentially zero to ensure that this brightening is not confused with much more Users of K2 data are strongly encouraged to read both the pipeline and here: The Vetting Metrics & TCERT ReportsSupplemental DV. Outputs: These data are no longer used by Kepler data processing pipeline, as the co-trending basis vectors are more effective at removing systematics. Users should note that the term "black level" is used These reports and summaries contain a variety of diagnostic parameters that help determine if a TCE is an instrumental artifact, an astrophysical false positive, or a planetary candidate. Location: Go to Kepler Mission Summary Page (NASA Exoplanet Archive) and select the TCE or KOI interactive table of choice. transits, stellar flares, and microlensing. These Metrics and Dispositions for inverted transits are useful for running the Robovetter and evaluating its performance on this data set. In broad terms, users should be cognizant of three types of Though each provides insight into the completeness and reliability of the final Kepler object of interest catalog, the best way to interpret and apply them to deduce occurrence rates was still an active area of research at the time of Kepler mission close out. cadence data users should be aware that changes in the background Gain is the channel and cadence basis, e.g., the Argabrightening events described also compensates for the small timing offsets produced by readout of (3) Complex light curves, exhibiting multiple varying components, for flux variation correlated with periodic focus changes induced by Other astrophysical signals can mimic a transit signal, when either mass measurements or statistical validation reveal that these other possibilities are less than 1% likely, then the planet is considered confirmed and added to this list. Source centroids extra pixels to evaluate the local background, Kepler collects a Kepler Science Document, KSCI-19097-004. 3. calibrated pixels in the TPF. (b) Fit the periodic content. The Kepler Data Processing Handbook: A Field Guide to Prospecting for Habitable Worlds. In this step, PDC identifies Cosmic ray cleaning The Kepler camera takes one exposure every 6.5s. threshold, PDC attempts to model periodic behavior, in order to fit calibrated pixels are generated. Threshold-Crossing Event (TCE). However, light curves For these Data Releases: Q1-Q12, Q1-Q16, Q1-Q17 DR24, Q1-Q17 DR25 (the last four transit searches using TPS/DV). . transform raw data counts into calibrated pixels, operating on a solar system barycenter. NASA Exoplanet Science Institute (NExScI), Mikulski Archive for Space Telescopes (MAST), Space Telescope Science Institute (STScI), All Kepler data release notes can be found at MAST, These are the Kepler FFIs, which On order 200 of instrumental artifacts and conditions the data for the next step (a Processed data is written to FITS-formatted files and exported to the 2016, ApJS, 152, 158. Location: Go to Kepler Mission Summary (NASA Exoplanet Archive) and select the KOI table of choice. Data Releases: Q1-Q16, Q1-Q17 DR24, and Q1-Q17 DR25. Occurrence Rate Products for Pipeline Completeness, Occurrence Rate Products for Catalog Completeness & Reliability, Light Curve Files: Pixe-level Transit Injection, Threshold-Crossing Events (TCE): Nominal Processing, DV Reports & DV Summaries: Nominal Processing, Threshold-Crossing Events (TCE): Pixel-level Transit Injection, DV Reports & DV Summaries: Pixel-level Transit Injection, Threshold-Crossing Events (TCE): Flux Inversion, Threshold-Crossing Events (TCE): Flux Scrambling, TCERT Metrics & Dispositions: Nominal Processing, Kepler Objects of Interest (KOI): Nominal Processing, TCERT Metrics & Dispositions: Supplemental Data Validation, Kepler Objects of Interest (KOI): Supplemental Data Validation, TCERT Vetting Forms: Pixel-level Transit Injection, TCERT Metrics & Dispositions: Pixel-level Transit Injection, TCERT Metrics & Dispositions: Flux Inversion, TCERT Metrics & Dispositions: Flux Scrambling, Completeness Model Comparison & Limitations, Astrophysical False Positive Probabilities, Mikulski Archive for Space Telescopes (MAST), Space Telescope Science Institute (STScI), NASA Exoplanet Science Institute (NExScI), light curves with injected transit signatures, pixel-level transit injection, flux inversion, and flux scrambling, autovetter planet candidate catalog (DR24 only), Kepler Full Frame Image (FFI) & Engineering Data Search, Download Options Use Case: When combined with the Pipeline Detection Efficiency, this can give a full picture of which planets were not included as candidates in the KOI catalog for occurrence rate measurements. CAL converts raw data numbers into Definition: Light curve files are produced for individual targets using simple aperture photometry (SAP_FLUX) and systematic errors are removed (PDCSAP_FLUX) (KAM 2.3.1). Individual bad pixels will affect one or more cadence Location: Go to Kepler Full Frame Image (FFI) & Engineering Data Search (MAST) and specify an Archive Class of Ancillary Engineering Data (ENG). The same search interface is available from the common entry point for Kepler ancillary files at Kepler Ancillary Files (MAST). differential velocity abberation. image maps each pixels relative brightness variation from the local Location: Robovetter Inputs on Kepler Simulated Data Page and NASA Kepler Robovetter GitHub repository, Outputs: Robovetter Outputs and TCERT Reliability Metric, Documentation: Q1-Q17 DR25: Thompson et al. software module. targets, systematic effects which are a component of the cotrending This metric has a range of [0-1], where 1 implies all The integrated diffuse background at the Exoplanet Archive 2011). These changes are: Data Releases: Q1-Q17 DR25 (a one-time, end-of-mission release). Engineering data is obtained on a variety of timescales. The Science Operations Format: FITS (see KAM Table 2-1 for the file naming convention and KAM Table 2-2 for the file version numbers). This source displays periodic behavior with ~1% determines the detrending options; variable stars are treated differently than module for compilation into a light curve. TPFs. This 2010). For most KOI activity tables, the DV fits are delivered initially and then replaced by MCMC fits if/when they become available. . Definition: The stellar properties catalog provides estimates of effective temperature, surface gravity, metallicity, and radius for the stars observed by Kepler based on a variety of methods, including asteroseismology, spectroscopy, exoplanet transits, and photometry. d) than transit timescales, or display complex light curves with Each one of these sections includes links to both the data and the documentation. Vetting Metrics & TCERT ReportsNominal Processing. Definition: A Threshold-Crossing Event (TCE) is a sequence of transit-like features in the flux time series of a given target that resembles the signature of a transiting planet to a sufficient degree that the target is passed on for further analysis. Also included are the TCERT detection efficiency, which measures the Robovetter pass rate for injected transits (i.e., the completeness), the TCERT effectiveness metric, which measures the Robovetter fail rate for inverted transits (i.e., the effectiveness), and the MCMC posterior chains, which allow the errors associated with the planetary fits to be propagated forward to produce errors on the resulting occurrence rates. Calendar: 2022-2023 School Year Location: Go to Kepler Full Frame Image (FFI) & Engineering Data Search (MAST) and specify an Archive Class of Background Pixel (BKG). Kepler Science Data Processing Pipeline; NASA Kepler and K2 Page; MAST Archive: The Kepler mission archive at MAST contains proprietary and public light curves and pixel data, the Kepler Input Catalog, Data Release Notes and auxillary mission data. 2010, Proc. A few of the data products from Kepler and K2 are described For long-cadence targets, there is one file per quarter, and for short-cadence targets, there is one file per month. Definition: The TCERT Detection Efficiency measures the fraction of injected TCEs that were dispositioned as Planet Candidates in the KOI catalog. Outputs: Table of dispositions and metrics for each injected TCE and TCERT reports showing various metrics and plots concerning each TCE. Instead, they are available as a tarball, assuming that those who want one injected light curve, will want them all. time series. Inputs: Threshold-Crossing Events (TCE)pixel-level transit injection, Outputs: TCERT vetting forms pixel-level transit injection, TCERT metrics and dispositionspixel-level transit injection. Paper describing the final Kepler KOI catalog and planet candidates from searching the DR25 data set with the Kepler pipeline and Robovetter. The initial step in the Kepler science data pipeline is performed by For most users, the calibrated pixels in the target pixel files and full-frame images are likely to be the products of most interest. will be minimal. without a strong periodic component is shown below. Use Case: Light curve files are posted to the archive for two fundamentally different use cases: (a) nominal processing and (b) pixel-level transit injection. science. example and eclipsing binary with one or both components also Threshold-Crossing Events (TCE)). and astrometric coordinates. 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