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SB 796: a high-velocity RRc star
Roy Gomel, Sahar Shahaf, Tsevi Mazeh +6
We report here on a detailed study of a c-type RR Lyrae variable (RRc variable), SB 796, serendipitously discovered in a search of the WASP public data for stars that display large…
A Large Ground-Based Observing Campaign of the Disintegrating Planet K2-22b
Knicole D. Colón, George Zhou, Avi Shporer +27
We present 45 ground-based photometric observations of the K2-22 system collected between December 2016 and May 2017, which we use to investigate the evolution of the transit of th…
LCO observations of a super-critical distorted pulsation in the roAp star J0855 (TYC 2488-1241-1)
Daniel L. Holdsworth, Hideyuki Saio, Ramotholo R. Sefako +1
We report the results of a 60-hr photometric campaign of a rapidly oscillating Ap star, J0855 (TYC 2488-1241-1). We have utilised the multi-site Las Cumbres Observatory's (LCO) 0.4…
Suppressed phase variations in a high amplitude rapidly oscillating Ap star pulsating in a distorted quadrupole mode
Daniel L. Holdsworth, Hideyuki Saio, Dominic M. Bowman +5
We present the results of a multisite photometric observing campaign on the rapidly oscillating Ap (roAp) star 2MASS 16400299-0737293 (J1640; ). We analyse photometric …