Stromgren Photometry of the Delta Scuti Stars 7 Aql and 8 Aql
L. Fox Machado, M. Alvarez, L. Parrao, J.H. Pena
TL;DR
This paper presents new photometric data and analysis of the delta Scuti stars 7 Aql and 8 Aql, confirming known pulsation modes and detecting the main modes in 7 Aql, contributing to understanding their pulsation characteristics.
Contribution
It provides new uvby-β photometric observations and detailed mode analysis of 7 Aql and 8 Aql, including confirmation of pulsation modes and measurement of their properties.
Findings
Confirmed three pulsation modes in 8 Aql.
Detected main pulsation modes in 7 Aql.
Provided frequency, amplitude, and phase data across filters.
Abstract
The preliminary results of new photometric observations of the Scuti stars 7 Aql and 8 Aql are reported. 51 hr of 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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