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Space Telescope Science Institute |
Cycle 21 Phase II Proposal Instructions |
help@stsci.edu |
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.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 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 Use
Interface (GUI) versus the Text Proposal FileIn 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).In most of the fields in the APT graphical interface, you choose a keyword or parameter <value> 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 using the formats specified in this document. Required items are marked with a red “x” if you haven’t selected or entered a <value>. Also, for many of the keywords, a tooltips message will appear when you place your pointer on the keyword: <value> area.When creating or editing large repetitive proposals, editing with APT’s graphical interface can be inefficient and prone to error. We present two examples where you may want to use a text proposal file.Table 2.1 summarizes some of the differences between the APT GUI and the Text Proposal File.
Table 2.1: Comparison of APT GUI and the Text Proposal File For most of the fields (exceptions noted below1), choose a keyword <value> from a pull-down list, or
check a checkbox, or
enter a text <value> in the field provided. 1) Required data marked with a red x2) Tooltips (e.g., a message noting a required item and its format) provided during data entry3) Context-sensitive help available None while editing. After editing your proposal, you must import it back into APT (see the APT Web page for instructions). Once you have imported your program back into APT you can run the diagnostics tool.
In these fields you must enter text (<keyword>, <value> and any separators) exactly as described in the relevant sections of this document.
2.1.3 APT ToolsAPT also provides tools to help you plan your observations, such as an Aladin based visualization tool, an Orbit Planner and a Visit Planner (see the Using APT web page). If you have any problems using APT, or have any questions about your proposal, please feel free to contact your assigned Program Coordinator (PC) and/or Contact Scientist (CS). Programs without an assigned CS may also contact help@stsci.edu for help with APT.2.1.4 Submitting Your ProgramAfter you submit your Phase II program, the APT system will give you an automatic electronic acknowledgment. This should be followed in a few days by an acknowledgment from your PC. If, at the time of submission, the proposal contains errors, the APT submission system will give a warning, but will allow the proposal to be submitted. However, the proposal will be flagged, and your PC will contact you within a few days to discuss how to proceed.
The resolution of errors in the Phase II Program is the responsibility of the Principal Investigator. The fact that APT may allow you to submit a program that contains errors does not mean that your program can or will be scheduled.
We strive to make APT a useful aid for preparing and checking your Phase II program, but it is nevertheless imperfect. On rare occasions syntax errors are not detected. Also, APT does not check for guide stars.