Browsing by Author "Saio, Hideyuki"
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Whole Earth Telescope discovery of a strongly distorted quadrupole pulsation in the largest amplitude rapidly oscillating Ap star
Holdsworth, Daniel L.; Kurtz, Donald W.; Saio, Hideyuki; Provençal, Judith L.; Letarte, Bruno; Sefako, Ramotholo R.; Petit, Véronique; Smalley, Barry; Thomsen, H.; Fletcher, C. L. (2018-01-01)We present a new analysis of the rapidly oscillating Ap (roAp) star, 2MASS J19400781 - 4420093 (J1940; V = 13.1). The star was discovered using SuperWASP broad-band photometry to have a frequency of 176.39 d-1 (2041.55 ...