PST2 main components:

Robotic telescope

  • Planewave CDK700
  • primary mirror diameter: 0.7m
  • optical system: Corrected Dall-Kirkham, dual Nasmyth foci
  • focal ratio: f/6.6
  • focuser and derotator at both foci
  • mount: azimuthal fork mount, direct-drive, sidereal and non sidereal tracking possible
  • PC control: Windows software

Fiber-fed echelle spectrograph

  • custom design based on spectrograph of PST1
  • resolution R ~ 40000
  • fiber diameter: 50 microns
  • fiber scale: 2.2 arcsec
  • collimator focal ratio: ~ f/5
  • 400mm Canon lens
  • no moving parts inside
  • exposimeter capable of determining effective exposure center

Spectroscopic CCD camera

  • Andor iKon-L
  • back-illuminated CCD
  • cooling: 5 stage thermo-electric, up to -100 deg C with +15 deg C water assist
  • readout noise: ~2.8 electrons/pixel
  • readout speeds: 50kHz, 1MHz, 3MHz and 5MHz

Photometric CCD camera

  • Andor iXon X3
  • back-illuminated EMCCD
  • cooling: thermo-electric, up to -80 deg C without water assist
  • effective readout noise: <0.1 electrons/pixel (EM mode)
  • readout speeds: up to 10MHz (full frame)

Spectrograph box

  • external size: 2.2m x 1.2m x 1.2m
  • two stage thermal isolation
  • Sorbotran vibration isolation
  • 21 temperature, 7 pressure and 1 humidity sensors
  • active temperature stabilization

Computers

  • 3 x main PC computers
  • custom Windows and Linux software
  • internet control over webpage

Testing site in Poland

  • ScopeDome dome, 5.5m diameter
  • IR monitoring cameras
  • weather station
  • SBIG all-sky camera
  • UPS
Page last modified on October 29, 2014, at 05:20 PM