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Knowledgebase: ALMA Observing Tool (OT)
How do I specify time constraints in my proposal?
Posted by Sarah Wood, Last modified by Sarah Wood on 19 March 2018 05:37 PM

In the Control & Performance editor of the OT you can choose between two types of time-constrained observations:

  • single visit: the observation needs to be executed only once within either one or several possible time windows. You can enter these possible time windows either interactively in the OT or load them from an external ASCII file.
  • multiple visits: the observations need to be repeated several times, either at specific dates (within a time margin) or relative to a previous visit (e.g. the observation needs to be repeated every 6 weeks). You should make sure the margins on the time windows entered are not too restrictive. The default margin is 14 days i.e. ±7 days. Requests for more stringent time constraints may not be met and make the scheduling of the observations impossible.

For either of these types it is possible to add extra information in the free-format text box provided below thee visits table.

Please refer to relevant section of the Proposer's Guide for more information on time-critical and monitoring observation.

Related Knowledgebase article: 

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