SDSS J160043.6+074802.9: a very rapid sdO pulsator

P. A. Woudt, D. Kilkenny, E. Zietsman +12

We report the serendipitous discovery of the Sloan Digital Sky Survey star, SDSS J160043.6+074802.9 to be a very rapid pulsator. The variation is dominated by a frequency near 8380…