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Extended Aperture Photometry of K2 RR Lyrae stars

EPJ Web of Conferences. 2017;160:04009 DOI 10.1051/epjconf/201716004009


Journal Homepage

Journal Title: EPJ Web of Conferences

ISSN: 2100-014X (Online)

Publisher: EDP Sciences

LCC Subject Category: Science: Physics

Country of publisher: France

Language of fulltext: English

Full-text formats available: PDF



Plachy Emese

Klagyivik Péter

Molnár László

Sódor Ádám

Szabó Róbert


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Time From Submission to Publication: 6 weeks


Abstract | Full Text

We present the method of the Extended Aperture Photometry (EAP) that we applied on K2 RR Lyrae stars. Our aim is to minimize the instrumental variations of attitude control maneuvers by using apertures that cover the positional changes in the field of view thus contain the stars during the whole observation. We present example light curves that we compared to the light curves from the K2 Systematics Correction (K2SC) pipeline applied on the automated Single Aperture Photometry (SAP) and on the Pre-search Data Conditioning Simple Aperture Photometry (PDCSAP) data.