Welcome to the IAC Time Allocation Commission proposal submission service. Please visit CAT for additional information and news about the proposal submission process and the time allocation of the Commission. Both the principal investigator and all co-investigators must be registered to submit proposals. If you already have an account please log in to view and submit proposals.
If you are facing technical difficulties with the application, you can contact us at helpdesk-cat@iac.es.
2027A Regular CAT call
Regular night time call for 2027A, including GTC, TNG, WHT, INT, NOT, Stella, LT, TCS, TTT, and Mercator
Time types available in this call:CATESP CATCHI CATFLO CATMEX
Night time calls
Spanish Service Time
Spanish Service time for TNG, NOT, TCS and IAC80 only. The PI of the IAC80 proposals must affiliated to the IAC.
Solar time calls
There are no solar time calls at this time.