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October 15, 2025Astronomy and AstrophysicsOpen Access

A systematic search for orbital periods of polars with TESS. Methods, detection limits, and results

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Authors

SHS. Hernández-DíazBSB. StelzerASA. Schwope

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Overview

Systematic search for orbital periods in polars was conducted using TESS light curves, revealing new insights.

Key Points

  • Ninety-five out of 217 polars in the sample had TESS light curves available, and 85 showed consistent periods with literature values.
  • The study applied four period search methods, including Lomb-Scargle periodogram and sine fitting, enhancing detection accuracy.
  • A positive correlation was found between noise levels and TESS magnitude, influencing the reliability of period detections.
  • The developed methodology can improve period measurements in other variable star studies, benefiting from TESS's extensive photometric data.

Cite This Study

Hernández-Díaz et al. (2025) studied this question.

synapsesocial.com/papers/68f01110f081da0584b5666dhttps://doi.org/10.1051/0004-6361/202554948
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