Proposals Due April 1st, 2025

Announcement Document: Call for Proposals

IRTF Home Page

The call for NASA Infrared Telescope Facility semester 2025B observing proposals has been released. Proposal Deadline for Semester 2025B (August 1, 2025 to January 31, 2026) is Tuesday, April 1, 2025, 5 PM Hawaii Standard Time. Available instruments are listed here. Remote observing is offered from any location with broadband Internet access for any project that utilizes IRTF facility instruments. Click here for information about IRTF Computer and Remote Observing Information. Please see the announcement for available instruments and for further information. Please review the information and use our Online Application Form.

Note that the IRTF now implements the Dual-Anonymous Peer Review (DAPR) of observing proposals. After fine tuning during the first few semesters of DAPR, the guidelines remain unchanged this semester. See the instructions for semester 2025B below.

Note also that at the request of NASA HQ the proprietary period for observing data has been reduced from 18 months to 12 months starting from semester 2025A and the date of the observation.

Observing time on IRTF is scheduled in 6-month semesters.

The semester and application period are below.

Semester	Application Open During
A. Feb – July	September (Due Oct 1)
B. Aug – Jan	March (Due Apr 1)

The telescope schedule is published and successful proposals are announced at least 1 month prior to the start of each semester. Review the forms below:

• The Call for Proposals provides details on submitting proposals.
• The Online Application Form is used to submit your application
• The Dual-Anonymous Peer Review proposal submission instructions
• The Available IRTF Facility and Visitor Instruments and Systems
• The IRTF Data Release Policy

For up-to-date news about IRTF please read the Newsletter.

Questions may be directed to Miranda Hawarden-Ogata at hawarden@hawaii.edu