Kepler observations of rapid optical variability in the BL Lac object W2R1926+42

R. Edelson, R. Mushotzky, S. Vaughan +4

We present the first Kepler monitoring of a strongly variable BL Lac, W2R1926+42. The light curve covers 181 days with ~0.2% errors, 30 minute sampling and >90% duty cycle, showing…