Observing with THEMIS

The objective of this page is to provide information to research scientists desiring to benefit from observation time with the THEMIS Solar telescope. Observation campaigns generaly range from April to October.

Interested user are encouraged to check the latest information on available instrumentation and observing capacities.

Interested researchers are also encouraged to contact the THEMIS staff — in particular email Bernard GELLY or Etienne PARIAT —- directly to obtain more specific informations or express their needs.

THEMIS 2024 observing campaign (closed)
THEMIS 2023 observing campaign (closed)

Applicants can find hereafter general rules about access and procedute to obtain observation time. Interested researchers shall also check the calls of previous observation campaign.

Use of the THEMIS telescope is granted by rights to the French and Spanish communities, but also to the international community through the CCI-ITP time allocation procedures. The International Scientific Committee (CCI) of the Instituto de Astrofisica de Canarias (IAC), overseeing the Canary Islands telescopes, awards observing time through its International Time Program (ITP).

The available time ratio and application procedure is specific to each category of user:

• Applicants to “French time”: ~75% time of the campaign. Proposal for the French time are allocated by the THEMIS TAC. Applicants shall complete a specific proposal and email it to the THEMIS director. Please note that French users must take care of their travel and subsistence expenses.
• Applicants to “Spanish time”: ~20% time of the campaign. Proposal for the Spanish time are allocated by the Spanish TAC. Applicants should follow the instructions of the IAC solar CAT proposal system.
• Applicants to the “CCI time Solar ITP”: ~5% time of the total. Proposals for ITP time are allocated by the EAST-TAC, a joint European time allocation committee of the European Association for Solar Telescopes (EAST). Applicants shall follo the instructions of the Solarnet TNA webpage.

As soon as the appropriate refereeing steps for each community and TAC have been passed, the THEMIS staff will quickly inform the applicants of the outcome of their proposal.