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@article{1596958,
author = {Plachy, Emese and Molnar, Laszlo and Bodi, Attila and Skarka, Marek and Szabo, Pal and Szabo, Robert) and Klagyivik, Peter and Sodor, Adam and Pope, Benjamin J. S.},
article_location = {BRISTOL},
article_number = {2},
doi = {http://dx.doi.org/10.3847/1538-4365/ab4132},
keywords = {ANOMALOUS CEPHEIDS; OGLE COLLECTION; MODE; CATALOG},
language = {eng},
issn = {0067-0049},
journal = {ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES},
title = {Extended Aperture Photometry of K2 RR Lyrae stars},
url = {https://iopscience.iop.org/article/10.3847/1538-4365/ab4132},
volume = {244},
year = {2019}
}
TY - JOUR
ID - 1596958
AU - Plachy, Emese - Molnar, Laszlo - Bodi, Attila - Skarka, Marek - Szabo, Pal - Szabo, Robert) - Klagyivik, Peter - Sodor, Adam - Pope, Benjamin J. S.
PY - 2019
TI - Extended Aperture Photometry of K2 RR Lyrae stars
JF - ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
VL - 244
IS - 2
SP - 1-16
EP - 1-16
PB - IOP PUBLISHING LTD
SN - 00670049
KW - ANOMALOUS CEPHEIDS
KW - OGLE COLLECTION
KW - MODE
KW - CATALOG
UR - https://iopscience.iop.org/article/10.3847/1538-4365/ab4132
L2 - https://iopscience.iop.org/article/10.3847/1538-4365/ab4132
N2 - The Kepler Space Telescope observed thousands of RR Lyrae stars in the K2 mission. In this paper, we present our photometric solutions using extended apertures in order to conserve the flux of the stars to the highest possible extent. With this method, we are able to avoid most of the problems that RR Lyrae light curves produced by other pipelines suffer from. For post-processing, we apply the K2SC pipeline to our light curves. We provide the EAP (Extended Aperture Photometry) of 432 RR Lyrae stars observed in campaigns 3, 4, 5, and 6. We also provide subclass classifications based on Fourier parameters. We investigated in particular the presence of the Blazhko effect in the stars and found it to be 44.7% among the RRab stars, in agreement with results from independent samples. We found that the amplitude and phase modulation in the Blazhko stars may behave rather differently, at least over the length of a K2 Campaign. We also identified four anomalous Cepheid candidates in the sample, one of which is potentially the first Blazhko-modulated member of its class.
ER -
PLACHY, Emese, Laszlo MOLNAR, Attila BODI, Marek SKARKA, Pal SZABO, Robert) SZABO, Peter KLAGYIVIK, Adam SODOR a Benjamin J. S. POPE. Extended Aperture Photometry of K2 RR Lyrae stars. \textit{ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES}. BRISTOL: IOP PUBLISHING LTD, 2019, roč.~244, č.~2, s.~1-16. ISSN~0067-0049. Dostupné z: https://dx.doi.org/10.3847/1538-4365/ab4132.
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