Table of Contents Hubble Space Telescope Primer for Cycle 21 Chapter 1: Introduction 1.1 About this Document 1.2 What’s New This Cycle 1.3 Resources, Documentation and Tools 1.3.1 Phase I “Roadmap” 1.3.2 Cycle 21 Announcement Web Page 1.3.3 Cycle 21 Call for Proposals 1.3.4 Instrument Handbooks 1.3.5 The Astronomer’s Proposal Tool (APT) and the Aladin Sky Atlas 1.3.6 Exposure Time Calculators (ETCs) 1.3.7 HST Data Archive 1.3.8 Data Reduction and Calibration 1.4 STScI Help Desk Chapter 2: System Overview 2.1 Telescope Design and Field of View 2.2 Orbital Constraints 2.2.1 Continuous Viewing Zone (CVZ) 2.2.2 South Atlantic Anomaly (SAA) 2.2.3 Predicted HST Position 2.3 Pointing Constraints 2.4 Orientation and Roll Constraints 2.5 Data Storage and Transmission 2.5.1 Onboard Data Storage Chapter 3: Telescope Performance 3.1 Optical Performance 3.2 HST Guiding Performance FGS - Dual Guide Star Acquisitions FGS - Single Guide Star Acquisitions 3.3 HST Observing Efficiency Chapter 4: Cycle 21 Scientific Instruments 4.1 Advanced Camera for Surveys (ACS) 4.2 Wide Field Camera 3 (WFC3) 4.3 Fine Guidance Sensor (FGS) 4.4 Cosmic Origins Spectrograph (COS) Far-Ultraviolet Channel (COS/FUV) COS Observations Below 1150 Å Near-ultraviolet Channel (NUV) COS FUV XDL Gain Sag Optimizing the Science Return of COS 4.5 Space Telescope Imaging Spectrograph (STIS) Summary of STIS changes after SM4 4.6 Additional Observing Modes 4.6.1 Imaging Polarimetry 4.6.2 Slitless Imaging Spectroscopy Ultraviolet Optical Near-infrared 4.6.3 Ramp and Quad Filters Ramp Filters Quad Filters 4.6.4 Coronagraphy 4.6.5 Observations with Two Instruments - Parallel Observing Coordinated Parallels: Pure Parallels: Policies and Procedures: 4.7 Instrument Comparisons 4.7.1 HST Imaging 4.7.2 Spectrographs Chapter 5: Observing Considerations 5.1 Bright-Object Constraints 5.1.1 ACS, COS & STIS 5.1.2 FGS 5.1.3 WFC3 5.2 Target Acquisitions 5.2.1 Target Acquisition without the Ground System Blind acquisition Onboard acquisition Early acquisition 5.2.2 Target Acquisition with Ground System Support 5.3 Solar System Targets 5.4 Offsets, Patterns, and Dithering 5.5 Spatial Scans Chapter 6: Orbit Calculation for a Phase I Proposal 6.1 Overview of an Observing Program 6.1.1 General Observer (GO) Programs Definitions (HST Orbits, Visibility Periods, and Visits) Components of a Visit Preparing a Phase I Program 6.1.2 Snapshot Programs 6.2 HST Visits 6.2.1 Defining New Visits and Optimizing Scheduling Efficiency and Flexibility 6.2.2 Instrument Specific Limitations on Visits ACS and WFC3: Data Volume Constraints FGS: Astrometry Coronagraphy STIS: CCD and MAMA Observations in the Same Visit 6.3 The Visibility Period Visibility Period for Pure Parallel Observations 6.4 Acquisition Times and Instrument Overheads 6.4.1 Guide Star Acquisition Times 6.4.2 Target Acquisition Times 6.4.3 Instrument Overhead Times ACS COS FGS STIS WFC3 6.4.4 Telescope Repositioning Overhead Times 6.5 Constructing the Program Coordinated Parallel Observations Chapter 7: Data Processing and the HST Data Archive 7.1 Routine Science Data Processing 7.1.1 Space Telescope Science Data Analysis System (STSDAS) 7.2 The HST Data Archive 7.2.1 Web Access to the HST Data Archive 7.3 Hubble Legacy Archive (HLA) Appendix A: Orbit Calculation Examples A.1 ACS Example A.2 COS Examples A.2.1 Example 1: COS NUV Imaging and Spectroscopy in One Orbit A.2.2 Example 2: COS NUV Imaging and FUV Spectroscopy in Two Orbits A.3 FGS Example A.4 STIS Example A.5 WFC3 Examples A.5.1 Example 1: IR, 1 orbit, 2 filters A.5.2 Example 2: UVIS, Dithering, 2 Orbits, 1 Filter Appendix B: HST Mission B.1 Servicing Missions and Instrument Complements B.1.1 Servicing Mission 1 (SM1) B.1.2 Servicing Mission 2 (SM2) B.1.3 Loss and Recovery of NICMOS B.1.4 Servicing Missions 3A (SM3A) and 3B (SM3B) SM3A SM3B B.1.5 Loss of STIS B.1.6 Loss of ACS Wide Field Camera and High Resolution Camera B.1.7 SM4 Appendix C: Legacy Instruments C.1 Faint Object Camera (FOC) C.2 Faint Object Spectrograph (FOS) C.3 Goddard High Resolution Spectrograph (GHRS) C.4 High Speed Photometer (HSP) C.5 Wide Field and Planetary Camera 1 (WF/PC) C.6 Wide Field and Planetary Camera 2 (WFPC2) C.7 The Advanced Camera for Surveys High Resolution Channel (ACS/HRC) C.8 Near Infrared Camera and Multi-Object Spectrometer (NICMOS) Appendix D: Internet Links ACS Dither Web Page ACS Instrument ACS Instrument Handbook Anderson J. & Bedin, L.R., 2010, PASP, 122, 1035 Astronomer’s Proposal Tool (APT) Canadian Astronomy Data Centre COS Instrument COS Instrument Handbook Cycle 21 Announcement Web Page Cycle 21 Call for Proposals Digitized Sky Survey (DSS) DrizzlePac Handbook DrizzlePac Web Page ESA Hubble Science Archive Exposure Time Calculators Web page: Fine Guidance Sensor Instrument Fine Guidance Sensor Instrument Handbook Hubble Legacy Archive High Level Science Products HST Data Handbook HST Dither Handbook HST Instrument Handbooks HST Online HST Science Instruments Image Reduction and Analysis Facility (IRAF) Mikulski Archive for Space Telescopes (MAST) MultiDrizzle NASA/IPAC Extragalactic Database (NED) NICMOS Instrument NICMOS Instrument Handbook Parallel Observations Phase I Proposal Roadmap Phase II Program Preparation PyRAF Set of Identifications, Measurements and Bibliography for Astronomical Data (SIMBAD) Space Telescope - European Coordinating Facility Space Telescope Science Data Analysis Software (STSDAS) Space Telescope Science Institute STIS Instrument STIS Instrument Handbook Tiny Tim Visit Size Recommendations WFC3 Instrument WFC3 Instrument Handbook WFC3 UVIS CTE Web Page WFPC2 Instrument WFPC2 Instrument Handbook Appendix E: Glossary of Acronymsand Abbreviations
