Isaac Newton Group of Telescopes

William Herschel Telescope

WHT Prime Focus and Auxiliary Port Imaging Manual

Version 0.02

1995 February

D. Carter and T. Bridges

• Contents
• List of Figures
• List of Tables
• Introduction
  • WHT Prime Focus
    • Prime Focus Optics
    • The Prime Focus Rotator
    • The Prime Focus Instrument Platform
    • Control Electronics
    • Autoguider
  • Auxiliary Focus Imaging
    • The Cassegrain A & G Box
    • Autoguider
    • The Auxiliary Focus Filter Unit
• CCD Detectors
  • Schematic view of the CCD systems
  • CCD chips in current use at the WHT
  • Overall performance of the system
• Computers and Operations
  • Control System
    • Control system overview
    • The Detector Memory System
    • The SPARCstation
    • The Utility Network
    • The System Computer and User Interface
    • The MIMIC display
    • Generating Data Tapes
    • Engineering terminals
      • The PFIP engineering terminal
      • The Cass A & G box engineering terminal
      • The Engineering MIMIC
      • The Detector engineering control terminal
• SETUP AND OBSERVING PROCEDURES
  • Setup and Observing Procedures
    • Starting the computer systems
    • Filter Changes
      • Changing Filters in the PFIP main filter wheel
      • Changing Filters in the Auxiliary Port filter wheel
    • Checking out the CCD
    • Instrument Calibration Data
    • Focusing the Telescope
    • Focal Station Setup
    • Acquiring guide stars
    • Taking Data Frames
    • Photometric standards
    • Writing data tapes
    • Data reduction
• QUICK REFERENCE GUIDE
  • Quick Reference Guide
    • Starting Up
    • Focal Station Setup
    • Taking Data - the Data Acquisition System
    • Setting Up The CCDs
    • The DMS Display
    • Autoguiders
      • Prime Autoguider
      • Cassegrain Autoguider
    • Data Files
    • Shutdown
• COMMAND LISTS
  • Commands entered at the ICL interface
    • Prime Focus Instrument Platform Commands
      • ADC
      • ADC_AUTO
      • ADI
      • ADO
      • FOCUS
      • PAUTOFILT
      • PCHANGE
      • PF_MODE
      • PFILT
      • PFILTSTATUS
      • PFIP_CANCEL
      • PFIP_UPDATE
      • PFSTATUS
      • PGDFOC
      • PGDX
      • PGDXY
      • PGDY
      • PSETFOC
      • PSETGDFOC
    • Cassegrain A&G Box Commands
      • AGINIT
      • AGMIRROR
      • AGUPDATE
      • AUTOFILT
      • AUTOFOCUS
      • AUTORADIAL
      • AUTOTHETA
      • AUXFILTER
      • TV_DIRECT_12
      • TV_DIRECT_5
      • TVFILT
      • TVFOCUS
      • TVSCALE
    • Autoguider Commands
      • AUTOGUIDER
      • FIELD
      • FOLLOW
      • GSSEARCH
      • GUISIZE
      • SETINT
    • Data Taking Commands - CCD Detectors
      • ABORT
      • BIAS
      • BIN
      • CCDINIT
      • CONTINUE
      • DARK
      • DIR
      • DISABLE_WINDOWS
      • DISKSPACE
      • ENABLE_WINDOWS
      • FINISH
      • FLAT
      • FOCUSIMAGE
      • GLANCE
      • KEEP
      • KILLMULT
      • MULTRUN
      • NEWTIME
      • NONASTRO
      • PAUSE
      • PROMOTE
      • QUICK
      • RAT_WAIT
      • RUN
      • SCRATCH
      • SETUP
      • SKY
      • SLOW
      • STANDARD
      • TURBO
      • WINDOW
      • WINK
    • Assorted Telescope and Setup Commands
      • TAGLOAD
      • ACQCONFIG
    • Other DMS Commands
      • DMS_ABORT_TRANS
      • DMS_CLOSE_BUFF
      • DMS_RESET
      • DMS_START
    • MIMIC Commands
      • MIMIC PAGES
      • MIMIC UPDATE
      • MIMIC_START
      • MIMIC_STOP
      • SCREEN
  • DCL Level Commands for the VAX 4000
    • Tape Writing Commands
      • FITSINIT
      • WRITE_FITS
  • Local Subsystem Commands
    • Autoguider Commands
      • ?NET
      • ?REGS
      • ACQWIND
      • CASS
      • CCDCUR
      • CONFIG
      • DARK-PATTERNS
      • EXPOSURE
      • FIELD
      • GUIDE
      • GUILOOPS
      • GUISIZE
      • GUIWIND
      • HELP
      • PRIME
      • SCAN
      • SELECT STAR
      • SETINT
      • SHUT-DOWN
      • STARLOG
      • START-UP
      • STATS
      • STEMP
      • TEMP
      • TV
    • DMS commands
      • ?IMAGES
      • ?NET
      • ?REGS
      • DEV?
      • RECOVER
      • RECOVER-DATA
      • ZM
    • CCD controller commands
      • ?OPEN .
      • 1P
      • 2P
      • 1V
      • 2V
      • CLOSE
      • CLR
      • NETWORK
      • NONASTRO SPEED
      • OPEN
      • PIC
      • QUICK SPEED
      • REBOOT
      • RED
      • SET-TIME
      • SET-DATE
      • SEX
      • SLOW SPEED
      • STANDARD SPEED
      • T-STAT
      • T-SHOW
      • TELE
      • TURBO SPEED
      • UNJAM
      • VHT CONFIG
  • The DMS User Interface
    • Use of the Mouse
    • The Menu Structure
      • The Main Menu
      • The Display Menu
      • The Statistics Menu
      • The Screens Menu
• APPENDICES
  • Standard Star Fields for Photometric Calibration
    • Landolt Faint Star Catalogue
    • L. Davis Cluster Sequences
      • Introduction
      • Data and Finder Charts
  • Filters
    • Broad band filters - the Kitt Peak Interference Filters (BVRI)
    • Broad band filters - The RGO Glass Broad Band Filters (UBVRIZ)
    • Broadband filters - the Harris set (BVR)
    • Narrow band filters
    • U Filters
    • General Remarks
    • The Prime Focus Camera on the WHT
      • Mounting the CCD filters
      • Calculating Focus Offsets
      • Calculation of Central Wavelength
      • Change due to uncollimated light
      • Change due to temperature
    • Special Purpose Filters
  • Details of the La Palma Sky
    • Sky Brightness and Spectrum
    • Extinction at La Palma
• About this document ...