A Catalogue of RR Lyrae Stars from the Northern Sky Variability Survey

Details A Catalogue of RR Lyrae Stars from the Northern Sky Variability Survey A Catalogue of RR Lyrae Stars from the Northern Sky Variability Survey

2006-01-19

arxiv.org/abs/astro-ph/0601432v2

Mon.Not.Roy.Astron.Soc.368:1757-1763,2006

Astronomy and Astrophysics

Astrophysics

Accepted for publication in MNRAS. Tables 1 and 2 are available here in full, but not in the printed edition

Scientific paper

10.1111/j.1365-2966.2006.10236.x

A search for RR Lyrae stars has been conducted in the publicly available data of the Northern Sky Variability Survey (NSVS). Candidates have been selected by the statistical properties of their variation; the standard deviation, skewness and kurtosis with appropriate limits determined from a sample 314 known RRab and RRc stars listed in the GCVS. From the period analysis and light curve shape of over 3000 candidates 785 RR Lyrae have been identified of which 188 are previously unknown. The light curves were examined for the Blazhko effect and several new stars showing this were found. Six double-mode RR Lyrae stars were also found of which two are new discoveries. Some previously known variables have been reclassified as RR Lyrae stars and similarly some RR Lyrae stars have been found to be other types of variable, or not variable at all.

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