Barry Smalley b.smalley@keele.ac.uk
Rapidly varying A-type stars in the SuperWASP archive
Smalley
Authors
Abstract
The searches for transiting exoplanets have produced a vast amount of time-resolved photometric data of many millions of stars. One of the leading ground-based surveys is the SuperWASP project. We present the initial results of a survey of over 1.5 million A-type stars in the search for high frequency pulsations using SuperWASP photometry. We are able to detect pulsations down to the 0.5 mmag level in the broad-band photometry. This has enabled the discovery of several rapidly oscillating Ap stars and over 200 d Scuti stars with frequencies above 50 d-1, and at least one pulsating sdB star. Such a large number of results allows us to statistically study the frequency overlap between roAp and d Scuti stars and probe to higher frequency regimes with existing data.
Citation
Smalley. (2014). Rapidly varying A-type stars in the SuperWASP archive. Proceedings of the International Astronomical Union, 423- 424. https://doi.org/10.1017/S1743921313014865
Acceptance Date | Feb 18, 2014 |
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Publication Date | Feb 18, 2014 |
Journal | Proceedings of the International Astronomical Union |
Print ISSN | 1743-9213 |
Publisher | Cambridge University Press |
Pages | 423- 424 |
DOI | https://doi.org/10.1017/S1743921313014865 |
Keywords | surveys; asteroseismology; techniques:photometric; stars:chemically peculiar; stars:variables:roAp; stars:variables:scuti |
Publisher URL | https://doi.org/10.1017/S1743921313014865 |
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