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![]() | WFPC2 Instrument Handbook for Cycle 10 | |||
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Acknowledgments
Contents
Chapter 1: Introduction
- Instrument Overview
- Field-of-View
- Spectral Filters
- Quantum Efficiency and Exposure Limits
- CCD Detector Technology
- UV Imaging
- Aberration Correction and Optical Alignment
- Which Instrument to Use: WFPC2, ACS, NICMOS, or STIS?
- Comparison of WFPC2 and ACS
- Comparison of WFPC2 and NICMOS
- Comparison of WFPC2 and STIS
- History of WFPC2
- The Previous vs. Current Generation: WF/PC-1 vs. WFPC2
- Organization of this Handbook
- What's New in Version 5.0 for Cycle 10
- WFPC2 Handbook on the WWW
- The Help Desk at STScI
- Further Information
Chapter 2: Instrument Description
- Science Objectives
- WFPC2 Configuration, Field-of-View, and Resolution
- Overall Instrument Description
- Quantum Efficiency
- Shutter
- Serial Clocks
- Overhead Times
- CCD Orientation and Readout
- Calibration Channel
Chapter 3: Optical Filters
- Introduction
- Choice of Broad Band Filters
- Linear Ramp Filters
- Spectral Response
- Target Locations
- LRF Photometric Calibration
- Redshifted [OII] Quad Filters
- Polarizer Quad Filter
- Polarization Calibration
- Methane Quad Filter
- Wood's Filters
- Red Leaks in UV Filters
- Apertures
Chapter 4: CCD Performance
- Introduction
- Quantum Efficiency
- Dynamic Range
- Bright Object Artifacts
- Blooming
- Horizontal Smearing
- Diffraction Effects and Ghost Images
- Residual Image
- Quantum Efficiency Hysteresis
- Flat Field Response
- Dark Backgrounds
- Sources of Dark Current
- Darktime
- Dark Current Evolution
- Cosmic Rays
- SAA and Scheduling System Changes
- Radiation Damage and Hot Pixels
- Photometric Anomalies: CTE and Long vs. Short
- Charge Transfer Efficiency
- The Long vs. Short Photometric Anomaly
- Read Noise and Gain Settings
Chapter 5: Point Spread Function
- Effects of OTA Spherical Aberration
- Aberration Correction
- Wavefront Quality
- CCD Pixel Response Function
- Model PSFs
- PSF Variations with Field Position
- Aperture Corrections vs. Field Position
- PSF Variations with Time / OTA Focus
- PSF Anomaly in F1042M Filter
- Large Angle Scattering
- Ghost Images
- Optical Distortion
Chapter 6: System Throughput and SNR / Exposure Time Estimation
- System Throughput
- On-Line Exposure Time Calculator
- Target Count Rates
- Count Rates for Stellar Sources
- Count Rates for Power Law Sources
- Count Rates for Emission Line Sources
- Sky Background
- Signal-to-Noise Ratio Estimation
- Point Sources -- PSF Fitting
- Point Sources -- Aperture Photometry
- Extended Sources
- Exposure Time Estimation
- Sample SNR Calculations
- Point Sources
- Extended Sources
- Emission Line Sources
- Photometric Anomalies
- Red Leaks in UV Filters
- Long-term Photometric Stability
- Short-term Time Dependence of UV Response
Chapter 7: Observation Strategies
- Observing Faint Targets
- Observing Bright Targets
- Observing Faint Targets Near Bright Objects
- Cosmic Rays
- Choosing Exposure Times
- Dithering with WFPC2
- Dither Strategies
- Analysis of Dithered Data
- Pointing Accuracy
- Absolute Pointing Accuracy
- Updates to Aperture / Coordinate Systems
- Pointing Repeatability
- Tracking Modes
- CCD Position and Orientation on Sky
- Polarization Observations
- Observing with Linear Ramp Filters
- Emission Line Observations of Galaxy Nuclei
Chapter 8: Calibration and Data Reduction
- Calibration Observations and Reference Data
- Flat Fields
- Dark Frames
- Bias Frames
- Data Products and Data Reduction
- Pipeline Processing
- Fluxes and Standard Magnitudes
- Color Transformations of Primary Filters
- Calibration Plan Summary
- Cycle 4 Calibration Plan
- Internal Monitors
- Photometric Monitors
- Earth flats
- Cycle 5 Calibration Plan
- Cycle 6 Calibration Plan
- Cycle 7 Calibration Plan
- Introduction
- Overview
- Cycle 8 Calibration Plan
- Introduction
- Overview
- Cycle 9 Calibration Plan
- Calibration Accuracy
Appendix 1: Passband Plots
- Filter Passbands, with and w/out Total System
- F122M, F130LP, F160BW
- F165LP, F170W, F185W
- F218W, F255W, F300W
- F336W, F343N, F375N
- F380W, F390N, F410M
- F437N, F439W, F450W
- F467M, F469N, F487N
- F502N, F547M, F555W
- F569W, F588N, F606W
- F622W, F631N, F656N
- F658N, F673N, F675W
- F702W, F785LP, F791W
- F814W, F850LP, F953N
- F1042M, FQUVN-A, FQUVN-B
- FQUVN-C, FQUVN-D, FQCH4N-A
- FQCH4N15-B, FQCH4N33-B, FQCH4N-C
- FQCH4N-D, Parallel and Perpendicular Polarizers
- Normalized Passbands including -System Response
Appendix 2: Point Source SNR Plots
- Plots for Estimating Point Source SNR
Acronyms
References
- References
- Instrument Science Reports
- Technical Instrument Reports
- Other Selected Documents
- The WFPC2 Clearinghouse
Index
Space Telescope Science Institute http://www.stsci.com Voice: (410) 338-1082 help@stsci.com |
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