SIMBAD references

2011A&A...535A...3S - Astronomy and Astrophysics, volume 535A3-3 (2011/11-1)

SuperWASP observations of pulsating Am stars.

SMALLEY B., KURTZ D.W., SMITH A.M.S., FOSSATI L., ANDERSON D.R., BARROS S.C.C., BUTTERS O.W., COLLIER CAMERON A., CHRISTIAN D.J., ENOCH B., FAEDI F., HASWELL C.A., HELLIER C., HOLMES S., HORNE K., KANE S.R., LISTER T.A., MAXTED P.F.L., NORTON A.J., PARLEY N., POLLACCO D., SIMPSON E.K., SKILLEN I., SOUTHWORTH J., STREET R.A., WEST R.G., WHEATLEY P.J. and WOOD P.L.

Abstract (from CDS):

We have studied over 1600 Am stars at a photometric precision of 1 mmag with SuperWASP photometric data. Contrary to previous belief, we find that around 200 Am stars are pulsating δ Sct and γ Dor stars, with low amplitudes that have been missed in previous, less extensive studies. While the amplitudes are generally low, the presence of pulsation in Am stars places a strong constraint on atmospheric convection, and may require the pulsation to be laminar. While some pulsating Am stars have been previously found to be δ Sct stars, the vast majority of Am stars known to pulsate are presented in this paper. They will form the basis of future statistical studies of pulsation in the presence of atomic diffusion.

Abstract Copyright: ∼

Journal keyword(s): asteroseismology - stars: chemically peculiar - stars: oscillations - stars: variables: delta Scuti - techniques: photometric

VizieR on-line data: <Available at CDS (J/A+A/535/A3): table1.dat>

Simbad objects: 236

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