Error propagation for multi-periodic least-squares fits - Phase lag based mode identification for Eddington
- Author(s)
- Peter Reegen
- Abstract
Numerical simulations of noisy time series in order to investigate the influence of sampling properties and noise on the standard errors of frequencies, amplitudes and phases for multi-periodic light curves are presented. The motivation was to compare ground-based observations to expected Eddington photometry. Whereas even an extensive ground-based observational campaign produces a data quality that permits reliable phase determination and mode identification only for the most dominant pulsation components, the standard error of the phase is expected to decrease by a factor of ˜ 100 for Eddington observations, which allows mode identification for all frequencies that have been resolved for d Scuti stars so far.
- Organisation(s)
- Department of Astrophysics
- Pages
- 389-392
- No. of pages
- 4
- Publication date
- 2004
- Austrian Fields of Science 2012
- 103003 Astronomy
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/a7d34c8c-1c14-48e3-b320-225c8c2b3603