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Phase I Tool

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The Gemini Phase I Proposal Tool

The Gemini Phase I Tool (PIT) must be used for proposal preparation and submission to all of the Gemini participating countries (Participants). Please check the Participant-specific instructions maintained by your National Gemini Office (e.g. by following the links in the Phase I overview) to check on the correct procedure for your country.

The PIT is a Java program that must be loaded onto a local computer (it is not a webform). Best performance is achieved by installing the PIT on individual machines although some institutions may prefer a site installation if they have adequate network resources. See the installation instructions for further details. Assistance with its use can be found at the PIT Help pages.

caution The PIT is updated every semester to accommodate new instruments and observing modes. We recommended reading the brief summary of new policies, features, and improvements described in the PIT Release Notes. Here is a summary of the PIT versions to use when submitting different types of proposals:

Mode Status PIT Version
Fast Turnaround Closed
Queue Closed
Large and Long Closed
Director's Discretionary Time Closed
Poor Weather Closed

Each Gemini participating country runs its own Phase I proposal process. All joint proposals must be submitted through the PIT. Backend servers for each Participant's National Offices allow automatic electronic submission to multiple Participants at the same time.  It is strongly encouraged that all investigators use the Gemini Phase I Tool for creating and submitting proposals. Any proposal not generated by the PIT must be converted into a specifically structured XML (eXtensible Markup Language) file for transmission from the National TACs to Gemini Observatory in order for the files to be ingested into the Gemini observing database.

Gemini Observatory Participants