RBT/PST2 main components:

Robotic telescope

  • manufacturer: Planewave
  • model: 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 and linux software

Photometric CCD camera

  • manufacturer: Andor
  • model: iXon X3
  • pixel size: 13um
  • pixel count: 1024 x 1024
  • field fo view: 10' x 10'
  • type: back-illuminated EM-CCD
  • 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)

Older equipment:

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

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
Page last modified on October 18, 2022, at 07:04 AM