OABO Participation to the GAIA DPAC OABO Team: E. Pancino, G. Altavilla, M. Bellazzini, A. Bragaglia, C. Cacciari, L. Federici, F.Fusi Pecci, E. Rossetti, P. Montegriffo, G. Clementini

The GAIA Mission 6D Phase Space (V<20) and Astrophysical Parameters (V<16) for 10 9 stars Science: Galaxy Dynamics, Distances, Extinction, Stellar Astrophysics, Rare Objects and Events, Exoplanets, Solar System Objects, Variability, Supernovae, GRB, Rapid Alerts, Fundamental Physics, Galaxies, Extragalactic Objects, QSO … _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007)

GAIA Instruments _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) Imager: Astrometry G-Band Imaging HR Spectrometer: CaT (847–874 nm) LR Spectrophotometers: BP & RP (330–680; 640–1050 nm)

The DPAC _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) AO Response Accepted Dec 2006

Italian Effort on Gaia _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) P.I.: M. Lattanzi (TO) INAF: INAF Staff (Salaries) and Small Expenses ASI: Missions, Contracts, Hardware (until launch 2012) 1.6 M ( ) - Total Manpower 30 FTE (2007) Involvement in all CUs, but mainly: CU3 (Core, Astrometry): Torino CU4 (Object Analysis): Torino CU5 (Photometry): Bologna, Roma, Teramo CU7 (Variability): Bologna, Napoli, Catania CU8 (Astrophysical Parameters): Padova Italy is the 2nd contributor after France

OABO Involvement in Gaia _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) Absolute Flux Calibration of all Gaia Photometry (CU5): BP/RP Spectrophotometry ( nm) G-Band Imaging from Astrometric Field Design of Algorithm and Java Classes Ground Based Observations of SPSS Total Manpower in Bologna (4.5/6.5/7.0) MM/Yr Variability GBObs, RR Lyrae and Cepheids (CU7): Supplementary Ground Based and Space Observations RR Lyrae and Cepheids Classification and Parameters Total Manpower in Bologna (0.3/1.5/ 3.5) MM/Yr

Absolute Calibration (CU5) DU13 - Ground Based Observations _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) Work Package: GWP-513-M Manager: E. Pancino Team: G. Altavilla, M. Bellazzini, A. Bragaglia, C. Cacciari, L. Federici, F. Fusi Pecci, E. Rossetti (OABO), C. Jordi, J. Carrasco, F. Figueras (UB), S. Trager (Groningen) Manpower (Actual/Needed): (3/5) MM/Yr [2.5 in Bologna] Select List of SPSS and Methods Obtain Flux Tables for SPSS General criteria and Methods Proposals Mostly Written Observations Started Data Reduction Just Started DB&A and Tables Delivery FEIGE 110: CALSPEC Flux Table CAFOS, 2.2m CAHA (3 blue + 3 red spectra) Telluric Bands

_______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) Work Package: GWP-514-M Manager: C. Cacciari Team: M. Bellazzini, P. Montegriffo, E. Pancino Manpower (Actual/Needed): (2/2) MM/YR [All in Bologna] Define Algorithms Provide Java Classes Criteria and Methods Zero level tests Going On Define/Refine Algorithms Provide Java Classes Absolute Calibration (CU5) DU14 - Define Algorythms and Provide Java Class

Variability (CU7) Supplementary Observations (732) - Cepheids and RR Lyrae (720) _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007) WP: GWP-S-732 Manager: G. Clementini Team: V. Ripepi, L. Eyer, D. Mary, T. Lebzelter, R. Hudec, K. Kolenberg, M. Ibrahimow Manpower: (1.5/2.0) [50% BO] Ground or Space Pre/Follow Quality Control for CU7 studies Questionnaire Telescope Netw. Census of needs+facilities Observations will start after evaluation phase WP: GWP-S Manager: G. Clementini Team: V. Ripepi, M. Marconi, I. Musella, A. Piersimoni, G. Bono, L. Szabados, M. Groenewegen, C. Ngeow, M. Chadid, K. Kolenberg Manpower: (2/3.5) [0.3 BO] Classification of Variables found Parametrization (Periods etc.) Science Evaluation Phase Software Requirements Specs Methods and Algorithms Software Delivery and Testing

Conclusions _______________________________________________ Elena Pancino - INAF Visiting Committee (Dec 2007)