Discovery of the New Slowly Pulsating B Star HD 163830 (B5 II/III) from MOST Space-based Photometry

  title={Discovery of the New Slowly Pulsating B Star HD 163830 (B5 II/III) from MOST Space-based Photometry},
  author={C. Aerts and P. D. Cat and R. Kuschnig and J. Matthews and D. Guenther and A. Moffat and S. Rucinski and D. Sasselov and G. Walker and W. Weiss},
  journal={The Astrophysical Journal},
We report the discovery of a new slowly pulsating B star, with the largest number of detected frequencies to date by more than a factor of 3, based on 37 days of MOST (Microvariability and Oscillations of STars) satellite guide star photometry. The star HD 163830 (V = 9.3, B5 II/III) varies in 20 detected frequencies in the range 0.035-1.06 day-1 (0.4-12.3 μHz) with amplitudes from 0.7 to 7.6 mmag (with a signal-to-noise ratio from 4 to 41). Eighteen of these frequencies are consistent with low… Expand

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