PACS Documentation - Level 3 - Herschel

PACS Data Products

• Calibration Product Guide (Phot) (2012)

PACS Overview

PACS DESIGN AND SPECIFICATIONS

• The Photodetector Array Camera and Spectrometer (PACS) for the Herschel Space Observatory (SPIE, 2008)
• The PACS Instrument (EAS, 2009)
• The PACS Instrument (COSPAR, 2010)
• PACS Instrument Description Document II (2006)
• PACS Instrument Description Document III (2006)

PACS AOTs and AOT design

• Archive of calibration AORs, 2015, PACS ICC
• AOT description, 2010, VD
• Non-standard AORs for PACS photometer spatial calibration (2008)
• Photometer Point source AOT validation, Markus Nielbock, 09/11/2009
• Photometer Point source AOT validation: dithered vs non-dithered. Test case: asteroid 360 Carlova (2009)
• PACS PV phase photometer point source AOT evaluation: Test case HD139669 (2010)
• Preparing AOTs for the PACS photometer (2005)
• Photometer Point source AOT validation (2009)
• Simulations of the Point-Source AOT sensitivity (2009)

Performance and Calibration:

BoloMETER CALIBRATION

• PACS responsivity from standard star observations  (2009)
• Flux estimates (in-orbit and OGSE)  (2003)
• Asteroid Calibration Quality Information for COP and Early PV (2009)

Photometer Calibration

• The bandwidth of the PACS photometric system  (2013)
• Surface brightness comparison of PACS blue array with IRAS and Spitzer/MIPS images (2011)
• PACS Photometer: Point source flux calibration (2011)
• Assessment analysis of the extended emission calibration for the PACS red channel (2012)
• Experiments in photometric measurements of extended sources (2013)
• Photometer point-source sensitivity at different scanspeeds (2009)
• Photometric calibration products - version tracking (2010)

Spectrometer Calibration

• Evolution of Telescope Background with Time by OD. (2014)
• Evolution of Telescope Background with Time by OD - comparison with test model. (2014)
• Linearity of the spectrometer signal - high flux calibration sources. (2013)
• Flatness of calibration sources: quick study (2013)
• PACS Spectrometer RSRF reconstruction from unchopped OFF-position scans (2012)
• Spectrometer Wavelength Calibration. (2010)
• Calibration source emissivity: test report (2009)
• PACS responsivity from standard star observations (2009)
• Use of late type stars for PACS wavelength calibration (2004)
• Flux estimates (in-orbit and OGSE) (2003)
• Response estimates from unchopped OFF-position scans. (2013)
• PACS Spectrometer simulated flux modulation by pointing jitter. (2012)

In-Flight Performance and Testing

COMISSIONING - COP PHASE

• PACS Ge:Ga Detector tuning during the HSP commissioning phase (2008)
• PACS CoP – Chopper Open Loop Analysis Report (2009)
• Herschel-PACS Commissioning Phase GeGa Optimisation (2009)
• Herschel CP GeGa optimisation (2009)
• Commissioning Phase SPT Analysis Report on Calibration Sources (2009)
• PACS Chopper Stability verification during Commisioning Phase (2009)
• Photometer SPG during CP (2009)

PERFORMANCE VERIFICATION - PV PHASE

• PV analysis report: Calibration source emissivity and straylight, (2010)

Pointing

• A Check for timing shifts of PACS Photometer data vs. pointing product (2012)
• PACS Pointing Calibration Sources (2010)

Beams

• Herschel/PACS modelled PSFs. Download the tarballs from: http://pacs.ster.kuleuven.be/pubtool/PSF& nbsp;(2010)
• Measuring the beams: wings (2015)
• First Summary of Neptune Beam Measurements. (2012)
• The derivation of the PACS spec beams from raster calibration observations (2011)
• PACS spectrometer spatial calibration (2012)

Detector

• Transient Investigation Monochromatic trends. (2013)
• PACS Photometer electric cross-talk analysis  (2011)
• NEP measurements of the PACS photometer on OD453 (2011)
• NEP measurements of the PACS photometer on OD806 (2011)
• PACS Photometer time constant measurements on ODs 455 to 457 (2011)
• The drift of the bolometers gain (2009)
• Impact of seasonal changes on the telescope temperature on the PACS photometer (2009)
• Instrument background determination and red-side signal level investigation (2009)
• Vrl-VH blind calibration - readout circult transfer function calibration (2009)
• PACS photometry optimum bias monitoring (2012)
• In-orbit crosstalk in the PACS photometer (2009)
• Photometery red channel cross- talk (2009)

Trends

• "Trend and Anomalies": daily and long-term trend plots , space weather, ODs with anomalies over the mission, Christophe Jean and the PACS ICC

Chopper

• Chopper stability (2011)
• PACS Chopper Dynamic Behaviour Verification (2009)
• PACS RSP – Chopper Open Loop Analysis Report (2010)
• Chopper frequency optimisation in the point source AOT (2009)

Focal Plane Geometry

• PACS spatial calibration files (2013)
• PACS Spatial coordinates cheat-sheet (2008)
• QSOs, RGs, and ULIRGS for PACS pointing calibration (2009)
• PACS sky fields and double sources for photometer spatial calibration (2008)
• Use of blazars for PACS spatial calibration (2008)
• Bright, isolated FIR sources for locating the PACS bolometers (2007)
• PACS FM Photometry focal plane units users manual (2009)
• PACS spectroscopy chop/nod FPG verification from line scan maps OD 135 -373 (2010)

Radiation effects

• Glitches and Herschel Bolometers  (2012)
• Glitch rates on GeGa detector (2010)
• SEU Rate in the PACS DPU (2013)
• PACS Photometer glitch analysis on the electronics (2011)

Instrument Software

• DPU on-board software users manual (2008)
• DEC/MEC Users Manual (2008)
• HERSCHEL/PACS SPU HLSW User Manual (2009)
• HERSCHEl/PACS SPU HIGH LEVEL SOFTWARE Specification Document (2007)
• PACS OBCPs and DMC Sequences (2010)

Pre-Flight Testing

Laboratory Testing (Detectors)

• SOVT-2 Test Report: Dark current measurements in Spectroscopy (2009)
• Spikes on the blue bolometer signal (2008)
• Switch-On Bolometer Current Stability (2007)
• Spikes on the blue bolometer signal (2008)
• Switch-On Bolometer Current Stability (2007)
• Time Constants for flux changes in spectroscopy  (2008)
• Dynamic Range per Selected Integration Capacitor Reset and Saturation Levels of Ge:Ga Detector Ramps (2008)
• Performance of the DDCS mode with an alternate sequencer (2007)
• Switch-on bolometer current stability (2007)
• Basic bias and non-linearity (2007)
• Are the three modes (Sbolo only, Sref only, Sbolo-Sref ) correctly interpreted? (2006)
• FM Proton Irradiation Tests High & Low Stress Modules I  - Glitch Effects & Curing (2006)
• FM Proton Irradiation Tests High and Low Stress Modules II - Noise evolution Curing frequency and Detector settings (2006)
• Analysis of the October 2005 proton test data on the low-stress module (2006)
• Simulations and analysis of PACS Spectrometer Ramps under irradiation conditions - impact on science goals and AOT design (2006)
• Analysis of the December 2006 proton test data on the high- stress module and the 2006 cold performance tests on the high-stress module plus a re-analysis of the October 2005 proton test data on the low-stress module (2007)
• Geant4 Simulations of GeGa module behaviour under Proton Irradiation (2005)
• Geant4 Simulations of GeGa module behaviour under Proton Irradiation. II part - Tests of April 2005 (2006)
• Test Plan and Procedure for Investigation of Glitch Event Rate and Collected Charge Variation in the Ge:Ga Detectors during Proton Irradiation at UCL-CRC (2004)
• Test Plan and Procedure for Investigation of Glitch Event Rate and Collected Charge Variation in the Ge:Ga Detectors during Proton Irradiation at UCL-CRC (3rd test phase) (2005)
• Cold Performance Tests on FM High Stress GeGa-Detector Modules 2006)
• Fitting PACS ramps with analytical models. Part I (2004)
• Fitting PACS ramps with analytical models. Part II (2004)
• Fitting PACS ramps with analytical models Part III The IMEC model (2005)
• Analysis of the April 2005 proton test data (2006)
• Stressed Ge:Ga Detector Arrays for PACS and FIFI LS (2002)

Laboratory Testing (Chopper)

• The cold focal plane chopper of HERSCHEL's PACS instrument (2006)
• Chopper Synchronous Operation with Ge:Ga Detectors (2007)
• Basic Drive Parameters of PACS FS Chopper, Specific Torque,Open Loop Oscillation Frequency & Damping  (2007)
• Angular Calibration and Zero Point Offset Determination of PACS FS Chopper at He II (2007)
• Basic Drive Parameters of PACS FM1 Chopper, Specific Torque, Open Loop Oscillation Frequency and Damping HeII (2007)
• Angular Calibration and Zero Point Offset Determination of PACS FM1 Chopper HeII (2007)
• Analysis of Warm Short Functional Tests (WSFT) of the PACS Chopper on Integrated System Level (2008)
• Angular Calibration and Zero Point Offset Determination of PACS FM1 Chopper (2007)
• Open Loop Measurements of Chopper (FS model) at Room Temperature (2007)
• Further Investigations of Chopper Angle vs. Current, and Specific Torque Behaviour (2006)
• Basic Drive Parameters Chopper Specific Torque, Open Loop Oscillation, Frequency, and Damping (2006)
• Angular Calibration of Chopper (2006)
• Special Investigation Chopper Angle vs. Current, Specific Torque, and Open Loop Behaviour (2006)

Laboratory Testing (Calibration Sources)

• Straylight on the internal calibration sources (2008)
• Emissivity of PACS calibration sources (2007)
• SFT (HeI conditions) of the Chopper and Internal Calibration Sources  (2007)
• PACS Spectrometer Calibration Block - Implementation & Evaluation for pipeline and AOT design (2008)
• AOT RELATED ASPECTS FOR THE PACS SPECTROMETER (2005)

Laboratory Testing (Other Systems)

• Chopper FOV scan (2009)
• OGSE Spots Observed from FOV Chopper Scans (2007)
• Bolometer FOV Chopper Scans (2007)
• Some plots from March 2007 tests related to bolometer PSF (2007)
• DEC/MEC Housekeeping Calibration Report (2007)
• Angular Calibration and Zero Point Offset FM1 Chopper HeII (2007)
• Bolometer FOV Chopper Scans (2007)
• Functional and Performance Tests of Mechanisms (Grating, Flasher, Heater, Filter Wheels) (2007)
• Report on the FM ILT PhFPU functional tests (2007)
• SFT Warm Chopper and Internal Calibration Sources (2006)
• Test Plan and Procedure for Detector Spectral Measurements at LENS (2001)

Pre-Flight Flight Model Instrument Level Test (FM-ILT)

• TimeOGSE Characterisation during CQM/FM ILT (Coming soon)
• GSE hole masks for ILT testing (2003)
• Contrast of observations with punched masks in PACS ILT(2002)
• Functional and Performance Test of PACS Internal Calibration Sources during cold FM ILT (2007)
• Pacs FM (ILT, IST, TVTB, CoP) Short Performance Test: PACS Setup of Photometry (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Short Performance Test: 518 Test of internal calibration recipes in photometry (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Full Functional Test: 413 Thermal Behaviour in Photometry (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Full Functional Test: 405 Thermal Behaviour in Spectroscopy (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Short Performance Test: 524 Test Pattern Photometry (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Short Performance Test: PACS Setup of Photometry (2009)
• Pacs FM (ILT, IST, TVTB, CoP) Short Performance Test: 518 Test of internal calibration recipes in photometry (2009)
• Full Functional Test and Short Performance Test cooler report (2009)
• PACS Test analysis reports FM-ILT Part I (2008)
• PACS Test analysis reports FM-ILT Part II (2007)
• PACS Test analysis reports FM-ILT Part III (2007)
• Linearity of detector ramps during ILT (2009)
• Noise characteristics of detector ramps during ILT (2009)
• Basic Drive Parameters of PACS FM1 Chopper from FM ILT measurements at Room Temperature (2007)
• IMT511: Internal Calibration Sources Performances during cold FM ILT/IST (2007)
• Summary of Warm and Cold Short Functional Tests of PACS FS Chopper during FM ILT (2007)
• FM ILT3 Spectrometer Spatial Calibration (2007)
• IMT 504 Chopper Performance Test during cold FM-ILT/IST (2007)
• Bolometer Spatial calibration (2007)
• CRE check- out voltage test during ILT (2007)
• Cooler behavior during FM ILT (2007)
• Functional and performance test of PACS internal calibration sources during cold FMILT (2007)
• IMT511: Internal Calibration Sources Performances during cold FM ILT/IST (2007)
• Optimum Detector Bias Settings for Ge:Ga Detectors, Time Constant:Bias Change Spectrometer from FM-ILT/IST (2007)
• Dark current of Ge:Ga detectors from FMILT (2007)
• IMT 504 Chopper Performance Test during cold FM-ILT/IST (2007)
• Spectrometer NEP during FM-ILT3 (2007)
• Optimum Detector Bias Settings for Ge:Ga Detectors, Time Constant: Bias Change Spectrometer from FM-ILT/IST (2007)
• Dark Current of Ge:Ga Detectors from FM-ILT/IST (2007)
• Spectrometer Field of View Scan during FM-ILT/IST (2007)
• Thermal Behaviour Tests During FM-ILT: SPEC & PHOT (2007)
• FM-ILT 2 Spectrometer Spatial Calibration (2007)
• Thermal Behaviour Tests During FM-ILT: SPEC & PHOT (2007)
• Wavelength Calibration of FM ILT Phase 1 (2007)
• OGSE Characterisation during CQM/FM ILT (2006)
• Bolometer Spatial Calibration (2007)

Data Processing

General

• The Herschel PACS Pipeline Extensions: Making Tasks and Scripts Suitable for Interactive and Automatic Processing (2012)
• Recording the History of Herschel Data Processing in the Data Products (2011)

Photometer General

• Detecting and flagging saturated pixels in the PACS pipeline (2013)
• Deglitching PACS Photometer Data (2011)
• PACS photometer calibration block analysis (2013)
• First results with the boloSource() algorithm (2013)
• Artifact removal for GLS map makers by means of post-processing (2012)
• Faint linear artefact in PACS photometer (2010)
• Inverse time-time correlation noise calibration data (2009)
• MMT deglitching in the presence of digitisation noise (2009)

Photometer Mappers

• Noise characterization of PACS photometer mini-maps processed with JScanam (2018)
• Least Squares Image Estimation for Large Data in the Presence of Noise and Irregular Sampling (2017)
• PACS map-making tools: analysis and benchmarking (2014)
• Unimap and the PACS flux calibration (2013)
• What I understand, or don't, about back-projection (2011)
• MADMap extended source calibration I: The Blue Channel (2010)
• PACS photometric check: MADmap vs photProject (2010)
• MADmap users guide (2010)
• MADmap processing (2009)
• Comparison between photProject and MOPEX (2009)

Spectrometer General

• Transients correction for the unchopped mode (2016)
• Pointing Offset Correction pipeline flowchart (2016)
• Pointing Offset Correction pipeline tasks (2015)
• Technical Note on Cube Interpolation Validation. (2014)
• PACS-S SpecInterpolate Validation and Testing. (2014)
• specBaselineEstmator() and specFlatFieldRange2(). (2013)
• The HERSCHEL/PACS Spectrometer Pipeline (2009)