Observing Proposals for MMT, Magellan and FLWO telescopes
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Create and manage Observing Proposals for
To apply for CfA time on these telescopes, the Center for Astrophysics | Harvard and Smithonian must be your primary affiliation and you must be resident at a CfA facility. CfA staff on leave or sabbatical may also apply for time. Please
- Check our
proposal policies.
- Check the
instrument status to make sure the one you want to use is available.
- Check the
observing policies for the different telescopes.
- You will have access to all CfA proposals previously entered to this system.
- Changes may be made to any of your current proposals until the
deadline. There is a "Submit" button now. Only submitted proposal will be taken into account.
- Information from a web form is immediately used to build a proposal
cover page and errors are reported back to you so that they may be corrected
before the proposal is finalized.
- You can view any of your proposals as Adobe Acrobat (PDF) files the
way the TAC will see them.
- The TAC ranks submitted proposals 3-4 weeks after the proposal deadline.
- Telescope schedules should be available approximately one month before the beginning of each semester.
- If you are new to TDCApply, please read this help page.
- Please notice the CfA-Privacy Statement
- If the online help doesn't answer your
questions,
email them to the Telescope Data Center Staff.
Changes
- 03/21/2024:
- Passwords have a minimul length of 12 and will expire after 180 days
as required by Smithonian Institution Password Regulations. On login you might be asked to change your password
- The navigation bar ist sticking to the top now and does not scroll
out on long forms / lists
- The controls for nights now have an increment of 0.5 (was 0.1)
- Magnitudes have an increment of 0.1 (was 1)
- 09/23/2021: Institutions buying observing nights can now register and add their proposals.
- 05/05/2021: Automatic emails are sent to proposers when their proposals have
been accepted for scoring. FAQ added to Help
- 09/03/2021: Submit and clone link added to "Your proposals". Free text "Instrument
config." replaces instrument mode, grid, central wavelength and slitwith. Abstract and Instrument config have a word counter at the lower right.
- 02/09/2021: submit reminder added to "Your proposals" and proposal update page
- 02/08/2021: added telescope and instrument to "Your proposals", instrument mode is no longer enforced