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TYC 3637-1152-1 - A high amplitude δ Scuti star with peculiar pulsational properties

Meingast, Stefan; Sulzenauer, Nikolaus; Pribulla, Theodor +16 more

In some δ Scuti stars, only one or two radial modes are excited (usually the fundamental mode and/or first overtone mode) and the observed peak-to-peak amplitudes exceed 0.3 mag (V). These stars are known as High Amplitude Delta Scuti (HADS) variables.

We here present a detailed photometric and spectroscopic analysis of the HADS star TYC 3637…

Characterization of eclipsing binaries in High Latitude Field 356

Smits, Derck P.; Skelton, P. L.

Variable stars in HLF 356 identified from plates taken at Harvard Observatory southern station in the 1930s are characterised using data from the ASAS, SuperWASP and Catalina Sky Survey databases. Very little work has been done on these variables since their discovery. Their periods are determined, and light curves for these stars are presented, f…