Volume 48 number 2 (2020)
(Abstract only) Pulsating red giant stars (PRG) pose a particular challenge for automated classification algorithms due to their complex and quasiperiodic behavior, leading to their possible erroneous designation as “miscellaneous” class variables (MISC). A subset of variable stars identified as MISC by the All-Sky Automated Survey (ASAS) with extremely long period (over 1000 days) was analyzed. The AAVSO’s vstar statistics program was applied to the stars’ data from ASAS and the All-Sky Automated Survey for Supernovae (ASAS-SN). Examples of several types of PRG behavior were identified, and limitations of several automated classification algorithms made apparent.