Abstract Photometric results of three δ Scuti stars, AD Ari, IP Vir and YZ Boo from new observations obtained at the Xinglong Station of the Beijing Astronomical Observatory(BAO) during 2000 and 2001 are reported. We present here the preliminary analyses. Detailed studies of these stars based on additional data will be published separately.
Keywords stars: variables: δ Scuti --- stars: individual: AD Ari, IP Vir, YZ Boo --- techniques: photometric
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