Multisite observations of the pre-Main-Sequence δ Scuti star IP Per

Details Multisite observations of the pre-Main-Sequence δ Scuti star IP Per Multisite observations of the pre-Main-Sequence δ Scuti star IP Per

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..224..799r&link_type=abstract

The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004. Edited by J. Zverko, J. Ziznovsky, S.J. Adelman, and W.W. Weiss,

Physics

1

Stars: Pre-Main-Sequence, Stars: Oscillations (Including Pulsations), Stars: Variables: Δ Scuti, Stars: Interiors, Stars: Individual: (Ip Per).

Scientific paper

We present preliminary results of a photometric multisite campaign on the δ Scuti-type Pre-Main-Sequence star IP Per. Nine telescopes have been involved in the observations, with a total of about 173 hour of observations over around 40 nights. Our current data permitted us to confirm the multiperiodic nature of this star and to determine at least 9 pulsational frequencies. A preliminary nonradial theoretical analysis seems to show that the star pulsates in a mixture of l=0, 1, 2 modes.

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