Serendipitous science from the K2 mission

The K2 mission is a repurposed use of the Kepler spacecraft to perform high-precision photometry of selected fields in the ecliptic. We have developed an aperture photometry pipeline for K2 data which performs dynamic automated aperture mask selection, background estimation and subtraction, and posi...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2015-08, Vol.11 (A29B), p.673-679
Main Authors: Buzasi, Derek, L., Carboneau, Lindsey, Hessler, Carly, Lezcano, Andy, Preston, Heather
Format: Article
Language:English
Subjects:
Apertures
Astronomy
Communities
Contributed Papers
Jitter
Missions
Photometry
Pipelines
Space telescopes
Spacecraft
Stars & galaxies
Utilities
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Summary:The K2 mission is a repurposed use of the Kepler spacecraft to perform high-precision photometry of selected fields in the ecliptic. We have developed an aperture photometry pipeline for K2 data which performs dynamic automated aperture mask selection, background estimation and subtraction, and positional decorrelation to minimize the effects of spacecraft pointing jitter. We also identify secondary targets in the K2 “postage stamps” and produce light curves for those targets as well. Pipeline results will be made available to the community. Here we describe our pipeline and the photometric precision we are capable of achieving with K2, and illustrate its utility with asteroseismic results from the serendipitous secondary targets.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921316006335