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Version 16.0 April 3, 2007

HST Phase II Proposal Instructions for Cycle 16

Operations and Data Management Division 3700 San Martin Drive Baltimore, Maryland 21218 help@stsci.edu

Operated by the Association of Universities for Research in Astronomy, Inc., for the National Aeronautics and Space Administration


Revision History
Version 16.0 Type GO Date April 2007 Editor Jim Younger Initial release for Cycle 16

Version 16.0 is issued in coordination with the APT release and is intended to be fully compliant with Cycle 16 APT. Shelf life: This version should not be used after September 1, 2007 without checking for a more recent version

This is the General Observer version. If you would like some hints on how to read and use the PDF document, click on: Some Pointers in PDF and APT JavaHelp

How to get help
1. Visit STScI's Web site: http://www.stsci.edu/

where you will find resources for observing with HST and working with HST data.
2. Contact your Program Coordinator (PC) or Contact Scientist (CS) you have

been assigned. These individuals were identified in the notification letter from STScI.
3. Send e-mail to help@stsci.edu, or call 1-800-544-8125.

From outside the United States, call 1-410-338-1082.


Table of Contents
HST Phase II Proposal Instructions for Cycle 16
Part I: Phase II Proposal Writing
1.1 1.2 1.3 1.4 1.5 1.6
................................. 1 .................... 3 4 4 4 5 5 6

Chapter 1: About This Document

Document Design and Structure ............................... Changes Since the Previous Version ....................... Document Presentation ............................................... Technical Content ......................................................... Where to Find Additional Information ....................... Some Pointers in PDF and APT JavaHelp .............

Chapter 2: The Basics of Phase II Proposals............................................................................................ 9
2.1 How to Prepare and Submit Phase II Information ......................................................................... 9
2.1.1 Astronomer's Proposal Tool (APT) ............................. 9 2.1.2 Entering Information: The APT Graphical User Interface (GUI) versus the Text Proposal File .............................. 10 2.1.3 APT Tools ................................................................. 11 2.1.4 Submitting Your Program ......................................... 12 2.2 What to Submit ............................................................ 12 2.3 General Instructions ................................................... 13 2.3.1 Proposal Information [Proposal_Information] ........... 13 2.3.2 Proposal Description................................................. 15 2.3.3 Investigators ............................................................. 16 2.3.4 Target Information [Fixed_Targets,
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Solar_System_Targets, Generic_Targets] .................... 2.3.5 Visit Information [Visits] ............................................ 2.4 Examples and General Advice................................. 2.4.1 Acquisitions and Pointings ........................................ 2.4.2 Examples .................................................................. 2.4.3 Common Problems ................................................... 2.4.4 Consideration of Limited Resources ......................... 2.5 Text Proposal File ...................................................... 2.5.1 Basic Syntax Rules ................................................... 2.5.2 Sample Text Proposal File Template........................

17 17 17 17 18 19 19 21 21 21

Chapter 3: Fixed and Generic Targets

....... 25

3.1 Target Number [Target_Number] .......................... 27 3.2 Target Name [Target_Name and Alternate_Names] ........................................................ 27
3.2.1 3.2.2 3.2.3 3.2.4 Catalog Name ........................................................... Uncataloged Targets ................................................ Common Names ....................................................... Special Targets ......................................................... 28 29 30 30

3.3 Target Category and Target Description [Description] .................................................................. 31 3.4 Target Position Type[Position] ............................... 36
3.4.1 Required Accuracies of Target Positions.................. 36 3.4.2 Equatorial Coordinates ............................................. 38 3.4.3 Positional Offsets ...................................................... 39 3.4.4 Region of Sky (Extended Targets)............................ 41 3.4.5 Determining Coordinates in the Guide Star Selection System (GSSS) Reference System .............................. 42 3.4.6 A Caution on Astrometry Prepared from STScI Plate Scans ............................................................................ 44 3.4.7 Early Acquisitions ..................................................... 45 3.5 Equinox for Coordinates [Equinox] ......................... 45

3.6 Coordinate Reference Frame [Reference_Frame]........................................................ 45 3.7 Radial Velocity or Redshift [RV_ or _Z] ................ 46 3.8 Is Proper Motion or Parallax Relevant? ................. 46
3.8.1 Proper Motion and Parallax Data.............................. 3.9 Flux Data [Flux and Other_Fluxes] ...................... 3.9.1 General Guidelines on What Flux Data to Include.... 3.10 Bright-Object Constraints ........................................ 46 47 48 51


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3.11 Comments [Comments] ......................................... 52 3.12 Generic Targets List [Generic_Targets] ............ 53
Target Number(s) [Target_Number] ....................... Target Name [Target_Name] .................................. Target Description [Description] ............................. Flux Data [Flux]....................................................... Comments [Comments] .......................................... Generic Target Specifications [Criteria} .................. 3.13 Getting Coordinates Coordinated ......................... 3.12.1 3.12.2 3.12.3 3.12.4 3.12.5 3.12.6 53 53 54 54 54 54 56

Chapter 4: Solar System Targets
4.1 4.2 4.3 4.4 Target Target Target Target

................... 59 61 62 64 65 67 69 75 75 76 76 81 82 84 84 85

Number [Target_Number] .......................... Name [Target_Name] .................................. Description [Description] ............................ Position .............................................................

4.4.1 Target Position Level 1 [Level_1] ............................. 4.4.2 Target Position Level 2 [Level_2] ............................. 4.4.3 Target Position Level 3 [Level_3] ............................. 4.5 Ephemeris Uncertainty [Ephem_Uncert] ............. 4.6 Acquisition Uncertainty [Acq_Uncert] ................... 4.7 Observing Windows [Windows] ............................. 4.7.1 Default Target Windows ........................................... 4.8 Flux Data [Flux and Other_Fluxes] ...................... 4.9 Comments [Comments] ........................................... 4.10 Illustrations of Orbital Longitude ............................ 4.11 Examples of Target List Blocks .............................

Chapter 5: Visits, Exposures and Exposure Groups .................................................................
5.1 Visit Number and Status .......................................... 5.2 Visit Priority [Visit_Priority] ........................................ 5.3 Visit-level Special Requirements [Visit_Requirements] .................................................. 5.4 On Hold Comments [On_Hold_Comments] ....... 5.5 Visit Comments [Visit_Comments] ....................... 5.6 Exposure Number [Exposure_Number] ..............

89 91 92 92 93 93 94


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5.7 Exposure Label [Exposure_Label] .......................... 94 5.8 Target Name [Target_Name] ................................... 94
5.8.1 Astronomical Targets ................................................ 5.8.2 Special Targets ......................................................... 5.9 Instrument Configuration [Config] .......................... 5.10 Operating Mode [Opmode].................................... 5.11 Aperture or Field of View [Aperture] ................... 5.12 Spectral Element [Sp_Element].......................... 95 95 95 96 96 96

5.13 Central Wavelength or Range if Grating or Prism Used [Wavelength] ....................................................... 97 5.14 Number of Times to Iterate the Exposure [Number_of_Iterations].............................................. 97 5.15 Time per Exposure [Time_Per_Exposure] ....... 98 5.16 Exposure-level Comments [Comments] ............ 99 5.17 Optional Parameters[Optional_Parameters] ...... 99 5.18 Exposure-level Special Requirements[Special_Requirements]................................. 99 5.19 Exposure Containers: Exposure Groups, Coordinated Parallels and Patterns ..................................... 100 5.20 Subexposures .......................................................... 101
5.20.1 Actual_Duration .................................................... 101 5.20.2 Orbit_Number ....................................................... 101

Chapter 6: Parallel Science Exposures

.. 103

6.1 Parallel Science Limitations .................................... 104 6.2 Pure Parallels ............................................................. 105 6.3 Coordinated Parallel Containers............................ 107
6.3.1 6.3.2 6.3.3 6.3.4 6.3.5 6.3.6 Instrument Configuration ........................................ Targets.................................................................... Special Requirements............................................. Optional Parameters ............................................... Ordering Restrictions and Interpretations ............... Efficiency Considerations ....................................... 108 108 109 110 111 111


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Chapter 7: Special Requirements [Visit and Exposure Special_Requirements] ...................................

113

7.1 Introduction to Special Requirements: Syntax and Rules ......................................................... 114 7.2 Visit-level Special Requirements ........................... 117
Guiding ................................................................... Target Orientation ................................................... Special Observation Requirements ........................ Timing Requirements.............................................. Conditional Requirements ...................................... 7.3 Exposure-level Special Requirements ................. 7.3.1 Target Acquisition ................................................... 7.3.2 Target Position........................................................ 7.3.3 Special Observation Requirements ........................ 7.3.4 Special Communications Requirements ................. 7.3.5 Timing Requirements.............................................. 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 117 120 130 131 134 135 135 136 138 139 141

Chapter 8: Pointings and Patterns

.............. 145

8.1 Pointing the Telescope ............................................ 145 8.2 Introduction to Patterns............................................ 145
8.2.1 APT User Interface ................................................. 8.2.2 Text Proposal File ................................................... 8.3 How to Fill Out the Pattern Parameters Form .... 8.3.1 Pattern Parameters................................................. 8.4 Convenience Patterns .............................................. 8.4.1 WFPC2 Patterns ..................................................... 8.4.2 ACS Patterns (HRC and WFC unavailable for Cycle 16) ...................... 8.4.3 NICMOS Patterns ................................................... 146 147 148 149 152 153 155 160

Part II: Supported Science Instruments

............ 169

Chapter 9: Wide Field Planetary Camera 2 (WFPC2) ......................................................................... 171
9.1 Introduction to WFPC2............................................. 172 9.2 Mode = IMAGE


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Config = WFPC2 .......................................................... 173
Aperture or FOV ..................................................... Spectral Elements................................................... Wavelength ............................................................. Optional Parameters ............................................... Number of Iterations ............................................... Time Per Exposure ................................................. 9.3 Tabular Reference Data .......................................... 9.4 WFPC2 Aperture Coordinate System .................. 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 174 175 175 176 177 177 178 182

Chapter 10: Fine Guidance Sensors (FGS) ................................................................................

183

10.1 Introduction to the FGS ......................................... 184 10.2 Mode = POS Config = FGS ................................................................ 185
10.2.1 10.2.2 10.2.3 10.2.4 10.2.5 Aperture or FOV ................................................... Spectral Element .................................................. Optional Parameters ............................................. Special Requirements........................................... Time Per Exposure ............................................... 185 186 186 187 188

10.3 Mode = TRANS Config = FGS ................................................................ 188
Aperture or FOV ................................................... Spectral Element .................................................. Optional Parameters ............................................. Time Per Exposure ............................................... Special Requirements........................................... 10.4 Tables and Illustrations ......................................... 10.3.1 10.3.2 10.3.3 10.3.4 10.3.5 188 188 189 189 189 190

Chapter 11: Advanced Camera for Surveys (ACS) .................................................

193

11.1 Introduction to the ACS ......................................... 194 11.2 Mode = ACCUM Config = ACS/WFC(Unavailable for Cycle 16) ........ 195
11.2.1 11.2.2 11.2.3 11.2.4 Aperture or FOV ................................................... Spectral Element .................................................. Wavelength ........................................................... Optional Parameters ............................................. 196 196 197 197


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11.2.5 Number of Iterations ............................................. 198 11.2.6 Time Per Exposure ............................................... 198

11.3 Mode = ACCUM Config = ACS/HRC (Unavailable for Cycle 16) ....... 198
11.3.1 11.3.2 11.3.3 11.3.4 11.3.5 11.3.6 Aperture or FOV ................................................... Spectral Element .................................................. Wavelength ........................................................... Optional Parameters ............................................. Number of Iterations ............................................. Time Per Exposure ............................................... 199 199 200 200 201 201

11.4 Mode = ACQ Config = ACS/HRC (Unavailable for Cycle 16) ....... 203
11.4.1 11.4.2 11.4.3 11.4.4 11.4.5 11.4.6 Aperture or FOV ................................................... Spectral Element .................................................. Wavelength ........................................................... Optional Parameters ............................................. Number of Iterations ............................................. Time Per Exposure ............................................... 203 203 203 203 204 204

11.5 Mode = ACCUM Config = ACS/SBC ...................................................... 204
Aperture or FOV ................................................... 204 Spectral Element .................................................. 204 Wavelength ........................................................... 204 Optional Parameters ............................................. 205 Number of Iterations ............................................. 205 Time Per Exposure ............................................... 205 11.6 Tabular Reference Data ........................................ 205 11.6.1 Spectral Elements for WFC and HRC .................. 205 11.6.2 Ramp Filter Wavelength Ranges .......................... 209 11.6.3 Spectral Elements for ACS/SBC........................... 209 11.6.4 Allowed Combinations of Aperture, Spectral Element & Readout ................................................................... 210 11.7 ACS Aperture Coordinate System ...................... 211 11.5.1 11.5.2 11.5.3 11.5.4 11.5.5 11.5.6

Chapter 12: Near Infrared Camera and Multi-Object Spectrometer (NICMOS) ......................................................................

213

12.1 Introduction to NICMOS ........................................ 214 12.2 Mode = ACCUM


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Config = NIC1 or NIC2 or NIC3 ................................ 215
12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 12.2.7 Aperture or FOV ................................................... Spectral Elements................................................. Wavelength ........................................................... Optional Parameters ............................................. Number of Iterations ............................................. Time Per Exposure ............................................... Special Requirements........................................... 216 216 216 216 217 217 218

12.3 Mode = MULTIACCUM Config = NIC1 or NIC2 or NIC3 ................................ 218
12.3.1 12.3.2 12.3.3 12.3.4 12.3.5 12.3.6 12.3.7 Aperture or FOV ................................................... Spectral Elements................................................. Wavelength ........................................................... Optional Parameters ............................................. Number of Iterations ............................................. Time Per Exposure ............................................... Special Requirements........................................... 218 218 218 218 220 220 220

12.4 Mode = ACQ Config = NIC2 ............................................................... 223
Aperture or FOV ................................................... Spectral Elements................................................. Wavelength ........................................................... Optional Parameters ............................................. Number of Iterations ............................................. Time Per Exposure ............................................... Special Requirements........................................... 12.5 Tabular Data ............................................................ 12.5.1 TPG_TIME Values ................................................ 12.5.2 NICMOS Apertures ............................................... 12.5.3 NICMOS Spectral Elements ................................. 12.6 Illustrations ............................................................... 12.4.1 12.4.2 12.4.3 12.4.4 12.4.5 12.4.6 12.4.7 223 223 223 223 223 223 224 224 224 225 226 229

Index

...................................................................................... 235


PART I:

Phase II Proposal Writing
The chapters in this section explain how to use the Phase II Instructions, how to fill out your Phase II information file and submit it to STScI. It also explains where to go for help and describes the information that must be submitted to STScI by GOs and GTOs during Phase II. Chapter 1: About This Document / 3 Chapter 2: The Basics of Phase II Proposals / 9 Chapter 3: Fixed and Generic Targets / 25 Chapter 4: Solar System Targets / 59 Chapter 5: Visits, Exposures and Exposure Groups / 89 Chapter 6: Parallel Science Exposures / 103 Chapter 7: Special Requirements Special_Requirements] / 113 Chapter 8: Pointings and Patterns / 145 [Visit and Exposure

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CHAPTER 1:

About This Document
In this chapter. . .
1.1 Document Design and Structure 1.2 Changes Since the Previous Version 1.3 Document Presentation 1.4 Technical Content 1.5 Where to Find Additional Information 1.6 Some Pointers in PDF and APT JavaHelp / / / / / / 4 4 4 5 5 6

Proposals to observe with Hubble Space Telescope (HST) are reviewed in two phases managed by the Space Telescope Science Institute (STScI). In Phase I, proposers submitted an Observation Summary for review by the Telescope Allocation Committee (TAC). The Observation Summary provides only general descriptions of the targets and of the proposed observations. The TAC review results in a list of accepted proposals. During Phase II, General Observers (GOs) with accepted proposals, as well as Guaranteed Time Observers (GTOs), must provide complete details of their proposed observations so that STScI can conduct a full technical feasibility review. The Phase II information will then be used to schedule the actual observations and obtain data. This document, the Phase II Proposal Instructions, has the following purposes: · To describe the information that must be submitted to STScI by GOs and GTOs during Phase II. · To describe what you have to provide in APT (Astronomer's Proposal Tool). · To show how to submit the information to STScI. Readers of this document should be familiar with the Cycle 16 Call for Proposals, issued in October 2006, and with the Instrument Handbooks.

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Chapter 1: About This Document

Note on colors in the GO Version: Blue text shows active external references and cross-references to other parts of this document. Brown text pertains to use of the Text Proposal File.

1.1 Document Design and Structure
These Instructions are meant to be read on-line, although many readers may wish to print selected portions. Many cross-references have been added to make navigation easy and convenient. A comprehensive table of contents allows you to go directly to chapters, sections and subsections. Each chapter starts with a listing of sections and subsections, each linked to its page. Near the beginning of most chapters, a list of figures and tables is provided; this list is cross-referenced for convenient navigation to a particular item you may wish to examine. Also, an index has been provided.

1.2 Changes Since the Previous Version
Initial Release for Cycle 16. Significant changes include: · ACS HRC and WFC are not available · A new proposal type, GO/SURVEY has been added

1.3 Document Presentation
Navigation Cross-references and external references highlighted in blue can be accessed by clicking on the item. Text Proposal File Instructions Sections and text in brown have been added for those proposers who elect to export, and then edit their proposal in a Text Proposal File. For


Technical Content

5

guidelines on when you might use this template, see "Using the Text Proposal File" in Chapter 2. Available Formats Proposers can access this information in two formats: PDF via the Web and Sun JavaHelp via the Astronomer's Proposal Tool (APT). · The PDF version available on the Web will be the only one that you can be certain is up-to-date. It can be downloaded and printed if you wish, and when used on-line provides "instant" access to internal and external cross-references. · The JavaHelp version available in APT should not be printed due to the limitations of printing in Java. You can use the internal cross-references, but the external references in JavaHelp have been disabled. Reader Feedback We have striven to present this critical, detailed, and complex information in a form that allows it to be used accurately and effectively. Your comments on its good and bad qualities will help us in the future; send e-mail to help@stsci.edu.

1.4 Technical Content
Available Science NICMOS, WFPC2 and the side 2 electronics in Cycle 16 (see ACS Web Instruments for Cycle 16 FGS are available in Cycle 16. Due to a failure in January 2007 , only the ACS SBC is available for Site).

Instrument Modes, Special Requirements, etc. Some changes have been made to these Instructions since the previous version to correct errors and omissions, and to document new modes or options. There are too many to list, but as long as you use the most recent version the information provided should reflect our current state of knowledge.

1.5 Where to Find Additional Information
As you write your Phase II proposal, you will probably need to consult the Instrument Handbooks for additional information on one or more Science Instruments. These handbooks are available on the Web in both PDF and


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Chapter 1: About This Document

HTML versions at http://www.stsci.edu/hst/HST_overview/documents There are some policies that were delineated in the Call for Proposals, which asked for Phase I proposals. You may wish to review those, particularly the sections discussing limited resources.

1.6 Some Pointers in PDF and APT JavaHelp
PDF Online and Print Adobe's Portable Document Format (PDF) is the standard for the commercial sector because it is easily produced with modern documentation software and has many excellent features. If you're new to PDF here are some hints that you may find useful: · PDF has links, just like HTML. Anything in blue in this document is a link you can click on to go somewhere else. · PDF can print selected pages. Note that the page numbers you enter are PDF's sequential numbers (look at the bottom of the Acrobat window to see where you are). · PDF is searchable with most viewing software such as Adobe's Reader and Apple's Preview. · You can move up or down page by page using the scroll bar on the right of your Acrobat window; just click above or under the indicator that shows your relative position. You can also click and hold on this indicator to speed through the document. · If you wish to save this document as a PDF file on your local machine, click with your right mouse button on the Institute's Web page that has the Phase II information at the spot where you link to the PDF file. In other words, your left button opens the file in Acrobat, but the right button lets you save the file if you pull down to "Save Link as." · Look at Acrobat's help facility (the help button is in the upper right corner of the Acrobat window) for more pointers. APT JavaHelp The Astronomer's Proposal Tool (APT) user interface provides access to this document via Sun JavaHelp -- a help format specifically designed for Java-based applications. · The internal cross-references are linked (in blue), but all external references have been disabled.


Some Pointers in PDF and APT JavaHelp

7

· The JavaHelp viewer provides access to a table of contents and an index; all the listed items are linked to the referenced sections. Once you are in a document, you can use the table of contents, the index, or the cross-references in the text to navigate to other parts of the document as you would in html. · JavaHelp has a very useful search utility. · Some of the sections in the Phase II Instructions are used for "context-sensitive" help in APT. At the top of the APT user interface, click on the "Help" menu item for access to this document and instructions on how to use the context-sensitive help. We welcome your comments and thoughts for improving how we provide information to you.


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Chapter 1: About This Document


CHAPTER 2:

The Basics of Phase II Proposals
In this chapter . . .
2.1 How to Prepare and Submit Phase II Information 2.2 What to Submit / 2.3 General Instructions / 2.4 Examples and General Advice / 2.5 Text Proposal File / /9 12 13 17 21

2.1 How to Prepare and Submit Phase II Information
The computer software used to schedule and execute HST observations can interpret the proposal information only if it is in the proper format. Therefore, proposals must be filled out accurately, completely, and in strict accordance with the instructions in this document. Observers now have the capability and responsibility, with the help of their Program Coordinator (PC) and/or Contact Scientist (CS) for creating and submitting proposals that are not only syntactically correct but also feasible and schedulable. The Astronomer's Proposal Tool (APT) will help you achieve this.

2.1.1 Astronomer's Proposal Tool (APT)
With APT you can prepare your Phase II program on your computer and then submit it electronically to STScI. You will use a copy of your Phase I proposal (marked up in XML), which contains all the information from your Phase I submission. If you haven't done so already, please consult the APT Web Page for detailed instructions on how to install and use APT on

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Chapter 2: The Basics of Phase II Proposals

your computer. Observers without access to a suitable computer platform to run APT for Phase II should contact their PC.

2.1.2 Entering Information: The APT Graphical User Interface (GUI) versus the Text Proposal File
In the previous proposal entry system, RPS2, you could enter and edit information as text (usually in the form =) using a template and your favorite text editor. Also, you could use the Proposal Editor (PED), a graphical editor in RPS2 designed for editing your Phase II program. In APT you can enter proposal information by using either the APT Form/Spreadsheet Editors via a GUI or a Text Proposal File that employs a "simplified" RPS2 syntax. This text file has been developed for APT as an alternative method for editing proposals outside of the APT GUI; you use a flat ASCII file format that is similar to the RPS2 .prop file that was used in HST cycles 5-11. Small changes to the original RPS2 format were necessary to accommodate enhancements that came with APT, and some of the syntax has been made stricter in order to make reading of the file more robust. You create this file in APT by exporting your proposal into a text proposal file format (for details please see the APT Web Page). Using the APT GUI In most of the fields in the APT graphical interface, you choose a keyword or parameter in a list from a pull-down menu, or check a box. In a few other fields (e.g., Other Fluxes, Observing Windows and Criteria in the Targets forms) you enter free text in the field