Contents

• Contents
• List of Figures
• List of Tables
• 1. Introduction
  • 1.1 Purpose
  • 1.2 Structure
  • 1.3 How to Contact Us
  • 1.4 ISOCAM Publications
    • 1.4.1 Acknowledgements and guidelines
    • 1.4.2 Inventory of publications
• 2. Instrument Description
  • 2.1 Introduction
  • 2.2 Optical Design
    • 2.2.1 General description
    • 2.2.2 The edge columns
    • 2.2.3 Polariser displacement
  • 2.3 The SW Array
    • 2.3.1 Readout and integration time (SW)
    • 2.3.2 Noise (SW)
    • 2.3.3 Linearity and saturation (SW)
    • 2.3.4 Gain and encoding (SW)
    • 2.3.5 Dead pixels (SW)
  • 2.4 The LW Array
    • 2.4.1 Readout and integration time (LW)
    • 2.4.2 Noise (LW)
    • 2.4.3 Linearity and saturation (LW)
    • 2.4.4 Gain and encoding (LW)
    • 2.4.5 The missing column (LW)
  • 2.5 Filters
  • 2.6 Circular Variable Filters (CVF)
  • 2.7 The Internal Calibration Device (ICD)
  • 2.8 Wheel Step Number and Optical Components
• 3. Instrument Modes and Astronomical Observation Templates
  • 3.1 Photometric Imaging (CAM01 and CAM03)
  • 3.2 Spectrophotometric Imaging (CAM04)
  • 3.3 Stabilisation Exposures
  • 3.4 Polarimetric Imaging
  • 3.5 `Coronography'
  • 3.6 Parallel Mode
  • 3.7 Special Measurements
    • 3.7.1 CAM60
    • 3.7.2 CAM61
    • 3.7.3 CAM62
    • 3.7.4 CAM63
    • 3.7.5 CAM99
• 4. Calibration and Performance
  • 4.1 Responsivity
    • 4.1.1 Absolute flux calibration
    • 4.1.2 Trends in the responsivity
    • 4.1.3 Responsivity and observing parameters
  • 4.2 Dark Current
    • 4.2.1 Dark level (SW)
    • 4.2.2 Dark level (LW)
  • 4.3 Glitches
  • 4.4 Transients
    • 4.4.1 SW transients
    • 4.4.2 LW transients
  • 4.5 Flat-Fields
  • 4.6 Point Spread Function (PSF)
    • 4.6.1 Observed PSFs
    • 4.6.2 Model PSFs
  • 4.7 Spacecraft Pointing Jitter
  • 4.8 The Spectral Response Function of the CVF
    • 4.8.1 Spectral purity
  • 4.9 Ghosts and Straylight
    • 4.9.1 Ghost images from point sources
    • 4.9.2 Ghosts and straylight from extended sources
  • 4.10 Field of View Distortion
  • 4.11 Astrometric Uncertainties
  • 4.12 Instrumental Polarisation
  • 4.13 Global Error Budget
• 5. The Data Products
  • 5.1 Pipeline Processing
    • 5.1.1 ISOCAM use of time keys
  • 5.2 Operation of the ISOCAM Instrument
  • 5.3 ISOCAM Data Products
    • 5.3.1 Considerations on ISOCAM's use of FITS files
    • 5.3.2 Common keywords
  • 5.4 TDF_First_Scan and Derive_ERD Products
    • 5.4.1 Compact Status products: CCSH & CSTA
    • 5.4.2 Raw data primary header keywords
    • 5.4.3 Edited Raw Data products: CIER or CPER & CDER
    • 5.4.4 Pointing History products: IRPH or CRPH & IIPH or CIPH
  • 5.5 Derive_SPD Products
    • 5.5.1 Standard Processed Data: CISP or CPSP
• 6. ISOCAM Calibration Files
  • 6.1 The ISOCAM Instrument Model
    • 6.1.1 CCGLWDEAD & CCGSWDEAD - ISOCAM dead pixel maps
    • 6.1.2 CCGLWDARK & CCGSWDARK - ISOCAM dark current exposures
    • 6.1.3 CCGLWDMOD - ISOCAM LW dark current model
    • 6.1.4 CCGLWDFLT & CCGSWDFLT - ISOCAM detector flat-field library
    • 6.1.5 CCGLWOFLT & CCGSWOFLT - ISOCAM optical flat-field library
    • 6.1.6 CCGLWSPEC & CCGSWSPEC - ISOCAM filter and CVF spectral data
    • 6.1.7 CCGLWSAT & CCGSWSAT - ISOCAM saturation thresholds
    • 6.1.8 CCGLWRESET - ISOCAM LW detector RESET value statistics
    • 6.1.9 CCGLWPSF & CCGSWPSF - ISOCAM point spread functions
    • 6.1.10 CCGLWTRANS - ISOCAM LW FS transient model coefficients
    • 6.1.11 CCGLWPOL - ISOCAM polarisation weight factors
    • 6.1.12 CSCGCROSS - ISOCAM SW cross-talk correlation matrices
    • 6.1.13 CHCGCONV - ISOCAM housekeeping conversion factors
    • 6.1.14 CWHEELS - ISOCAM wheel information table
    • 6.1.15 CLWCVF1 & CLWCVF2 - ISOCAM LW CVF descriptions
    • 6.1.16 CSWCVF - ISOCAM SW CVF description
  • 6.2 Notes on the Use of the Calibration Files
• 7. ISOCAM Auto-Analysis
  • 7.1 AAC's General Approach
    • 7.1.1 The use of SCDs within AAC
  • 7.2 Instrumental Procedures and Data Products CCIM
    • 7.2.1 Deglitching CGLL
    • 7.2.2 Use of pointing data CJAM
    • 7.2.3 Illumination masking CUFF
    • 7.2.4 Saturation masking CUFF
    • 7.2.5 Transient modelling
  • 7.3 High-Level Scientific Data Products
    • 7.3.1 ISOCAM basic imaging CMAP
    • 7.3.2 ISOCAM combination imaging CMOS
    • 7.3.3 The CMAP point source survey CPSL
    • 7.3.4 Point source spectra CSSP
  • 7.4 Browse Products
• 8. Caveats
  • 8.1 ISOCAM Astrometry
  • 8.2 General Considerations
  • 8.3 CSTA Files
  • 8.4 IIPH Files
  • 8.5 CMAP Files
  • 8.6 CMOS Files
  • 8.7 CPSL Files
  • 8.8 CSSP Files
• 9. Getting Started with ISOCAM Data
  • 9.1 How to Retrieve ISOCAM Data Products
  • 9.2 First Look at ISOCAM Data
  • 9.3 Interactive Data Processing with CIA
• A. Colour Corrections
• B. Magnitude System in ISOCAM
• C. ISOCAM Data Products per AOT
• D. AAC FORTRAN Code Showing CAL-G Selection Rules
• E. Deglitching in OLP
• F. Optimising ISOCAM Data Processing Using Spatial Redundancy
  • F.1 Introduction
  • F.2 Long Term Transient Correction
  • F.3 Variable Flat-Field
  • F.4 Bad Pixel Identification
  • F.5 Assessment of the Method
• G. List of Acronyms
• Bibliography
• Index