Triggered high state XMM-Newton observations of AR UMa are scheduled for the date below. Contemporaneous high-cadence photometry in either BVR or I filters is highly appreciated.
Proposal Obs. Target Name Status Rev. Start Time -------- ----- -------------------- ----------- ----- ------------------- 088487 01 01 AR UMa Scheduled 4288 2023-05-09T20:31:40
Am 06.05.2023 um 02:14 schrieb Taichi Kato tkato@kusastro.kyoto-u.ac.jp:
AR UMa short-term variations
Josch Hambsch reported time-resolved observations. In addition to the expected orbital modulation (0.7 mag), QPO-like variations were also recorded, which are often observed in polars.
— —————————————————————— Axel Schwope Galaxies and Quasars / Head X-ray astronomy
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