Stromgren Photometry of the Delta Scuti Stars 7 Aql and 8 Aql

Details Stromgren Photometry of the Delta Scuti Stars 7 Aql and 8 Aql Stromgren Photometry of the Delta Scuti Stars 7 Aql and 8 Aql

2009-11-24

arxiv.org/abs/0911.4569v1

AIP Conf. Proc., 2009, Vol. 1170, 423

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Proceedings of the International Conference "Stellar Pulsation: Challenges for Theory and Observation", AIP Conf. Proc., Vol.

Scientific paper

10.1063/1.3246533

The preliminary results of new photometric observations of the $\delta$ Scuti stars 7 Aql and 8 Aql are reported. 51 hr of $uvby-\beta$ photoelectric photometric data were obtained over the period June and July 2007 at the San Pedro M\'artir Observatory, Mexico. Period analyses confirm the three pulsation modes discovered in 8 Aql in the framework of the STEPHI 2003 multisite campaign. For the star 7 Aql we were able to detect only the main pulsation modes. The standard magnitudes of both stars are obtained. The frequency, amplitude and phases of the frequency modes in different filters are presented.

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