1. NA5: Interferometry Forum Andreas Quirrenbach (U Leiden / U Heidelberg)

2. OPTICON Mid-Term ReviewAndreas Quirrenbach2 Interferometry Forum Participants l Universität Wien (Austria) l Universitè de Liège (Belgium) l Academy of Sciences (Czech Republic) l Jean-Marie Mariotti Center for Interferometry, JMMC (France) l Max-Planck-Institut für Astronomie (Germany) l Konkoly Observatory (Hungary) l Technion (Israel) l Torino University (Italy) l Nederlandse Onderzoekschool Voor Astronomie, NOVA (The Netherlands) l Torun University (Poland) l Porto University (Portugal) l Universita Autonoma Madrid (Spain) l Observatoire de Genève (Switzerland) l University of Cambridge (United Kingdom) l European Space Agency l European Southern Observatory

3. OPTICON Mid-Term ReviewAndreas Quirrenbach3 Interferometry: Top-Level Goals l Exploit the opportunities of the new facilities, in particular of the VLTI l Integrate interferometry with main-stream astronomy l Design the next generation of focal plane instruments l Develop a long-term perspective (science plan and technology roadmap), leading to a Design Study proposal for FP7

4. OPTICON Mid-Term ReviewAndreas Quirrenbach4 Organizational Structure of Interferometry in OPTICON l Interferometry Forum (NA5) Scientific exploitation of existing infrastructure Integration of interferometry with general astronomical community Long-term vision and science case Long-term technology roadmap l Interferometry JRA (JRA4) Tools for the exploitation of interferometry (algorithms and software) Next-generation focal plane instrumentation

5. OPTICON Mid-Term ReviewAndreas Quirrenbach5 Interferometry Forum (IF) Work Packages l WP1: Fizeau Exchange Visitors Program WP Manager: A. Niedzielski, Torun (PL) l WP2: Working groups WP Managers: R. Petrov, Nice (F) S. Wolf, MPIA (D) l WP3: Vision for a next-generation interferometric facility WP Manager: J. Surdej, Liège (B)

6. OPTICON Mid-Term ReviewAndreas Quirrenbach6 Fizeau Exchange Visitors Program

7. OPTICON Mid-Term ReviewAndreas Quirrenbach7 WP1: Fizeau Exchange Visitors Program l Goal 1: Make VLTI et al. as productive as possible l Goal 2: Integrate interferometry into mainstream (mostly stellar) astronomy l Goal 3: Enable Central European countries to participate in top-level research projects l Goal 4: Form new lasting partnerships l Tool: Scientific exchanges involving “astrophysics” and “interferometry” groups

8. OPTICON Mid-Term ReviewAndreas Quirrenbach8 Goals of Exchange Visitors Program Being Met l Exchanges between institutions with experience in interferometry and “newcomers” l Many exchanges involving scientists from new EU member states l Short-term visits appear to turn into lasting collaborations

9. OPTICON Mid-Term ReviewAndreas Quirrenbach9 WP2: Working Groups l Goal 1: Involve the whole European interferometry community in OPTICON activities l Goal 2: Support technical activities of JRA4 l Goal 3: Facilitate collaboration at the interface of interferometry and astrophysics l Tool: Focused working groups

10. OPTICON Mid-Term ReviewAndreas Quirrenbach10 Working Group Topics l Radiation Transfer and Stellar Atmospheres Modeling tools for the interpretation of data from interferometry l Interferometry and asteroseismology Exploration of combined potential for the determination of fundamental stellar parameters l European Interferometry Initiative Coordination and structuring of interferometry activities in Europe

11. OPTICON Mid-Term ReviewAndreas Quirrenbach11 WP3: Vision for a Next- Generation Facility l Goal 1: Develop long-term interferometry science case l Goal 2: Technology roadmap: leverage ELT R&D l Goal 3: Investigate issues specific to interferometry l Goal 4: Compare ground-based and space l Tools: Workshops on science and technology for a Kilometric Optical Interferometer

12. OPTICON Mid-Term ReviewAndreas Quirrenbach12

13. OPTICON Mid-Term ReviewAndreas Quirrenbach13 Spin-Off: Marie Curie Series of Schools l PI Paulo Garcia, U Porto (PT) l 4 Summer schools l Interferometry data reduction 2006: MIDI and AMBER (Goutelas, F) 2008: PRIMA (Keszthely, H) l Astrophysical topics  interferometry 2007: Circumstellar disks (Porto, PT) 2007: Active Galactic Nuclei (Torun, PL)

14. OPTICON Mid-Term ReviewAndreas Quirrenbach14 NA5 Financial Arrangements l Central bank account at U Leiden l Payments authorized by WP managers l Direct payment or reimbursement for cost of IF activities from central bank account l Annual financial statement to OPTICON management l Priority: EU funding for those who could not participate without it

15. OPTICON Mid-Term ReviewAndreas Quirrenbach15 NA5 Deliverables l WP1 (Fizeau program): Exchange visits taking place on a regular basis l WP2 (working groups): Report on asteroseismology and interferometry (150 pages) submitted to AARv Report on radiative transfer modeling in final redaction cycle l WP3 (vision for future facility): Two workshop proceeding volumes printed FP7 proposal (KOI design study) submitted

16. OPTICON Mid-Term ReviewAndreas Quirrenbach16 NA5 Summary l Strong structuring effect on European interferometry community l Strengthening of links between technical experts and new users l Development of vision for future facilities