An alternative mathematical treatment of the modulated RR lyrae stars

J. Benkő, M. Paparó, R. Szabó, M. Chadid, K. Kolenberg, E. Poretti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

We present a different analytical description of the Blazhko RR Lyrae stars's light curves in which we take into account both the amplitude and phase modulation directly. Its main advantages compared to the usual description are that it explains global light curve behaviours such as average brightness variation, non-linear shape of the envelope curve, nonsinusoidal frequency variation (see [1]). Its spectra show Fourier properties such as higher order side frequencies, uneven amplitudes of side peaks, larger amplitudes of higher order peaks than the lower order ones, appearing the modulation frequency itself and its harmonics. It also reduces the number of necessary parameters by a factor of 10.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages273-275
Number of pages3
Volume1170
DOIs
Publication statusPublished - 2009
EventInternational Conference on Stellar Pulsation: Challenges for Theory and Observation - Santa Fe, NM, United States
Duration: May 31 2009Jun 5 2009

Other

OtherInternational Conference on Stellar Pulsation: Challenges for Theory and Observation
CountryUnited States
CitySanta Fe, NM
Period5/31/096/5/09

Fingerprint

light curve
stars
phase modulation
frequency modulation
brightness
envelopes
harmonics
curves

Keywords

  • Mathematical procedures
  • Pulsations
  • RR lyrae stars
  • Time series analysis

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Benkő, J., Paparó, M., Szabó, R., Chadid, M., Kolenberg, K., & Poretti, E. (2009). An alternative mathematical treatment of the modulated RR lyrae stars. In AIP Conference Proceedings (Vol. 1170, pp. 273-275) https://doi.org/10.1063/1.3246490

An alternative mathematical treatment of the modulated RR lyrae stars. / Benkő, J.; Paparó, M.; Szabó, R.; Chadid, M.; Kolenberg, K.; Poretti, E.

AIP Conference Proceedings. Vol. 1170 2009. p. 273-275.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Benkő, J, Paparó, M, Szabó, R, Chadid, M, Kolenberg, K & Poretti, E 2009, An alternative mathematical treatment of the modulated RR lyrae stars. in AIP Conference Proceedings. vol. 1170, pp. 273-275, International Conference on Stellar Pulsation: Challenges for Theory and Observation, Santa Fe, NM, United States, 5/31/09. https://doi.org/10.1063/1.3246490
Benkő J, Paparó M, Szabó R, Chadid M, Kolenberg K, Poretti E. An alternative mathematical treatment of the modulated RR lyrae stars. In AIP Conference Proceedings. Vol. 1170. 2009. p. 273-275 https://doi.org/10.1063/1.3246490
Benkő, J. ; Paparó, M. ; Szabó, R. ; Chadid, M. ; Kolenberg, K. ; Poretti, E. / An alternative mathematical treatment of the modulated RR lyrae stars. AIP Conference Proceedings. Vol. 1170 2009. pp. 273-275
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