AAVSO: American Association of Variable Star Observers

New Observations of AD Serpentis

Volume 45 number 2 (2017)

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Samantha Raymond
Yerkes Observatory, 260 W Geneva Williams Bay, WI 53169
Ximena Morales
Yerkes Observatory, 260 W Geneva Williams Bay, WI 53169
Wayne Osborn
Yerkes Observatory, 260 W Geneva Williams Bay, WI 53169; wayne.osborn@cmich.edu

Abstract

The little-studied star AD Ser has been investigated utilizing archival data as well as new CCD observations. AD Ser is found to be a semiregular variable with a V range of about 1.5 mag and a persistent, but likely somewhat variable, period of 90 d.