Two Star High-Speed Photometer

  • Telescope: 0.4m (16") f/18 Cassegrain assymetric mount (Boller and Chivens)

  • Instrument: Two-Star High Speed Photometer (continuous)
  • Description: Johnson B, V system: Stromgren u, b, v, y
  • Detector: PMT
  • Efficiency: 6x104 cts/sec for an A0 star with V=7 mag, B filter
  • Apertures: 2.8", 5.6", 11.2", 16.8", 28", 42", and 112"