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 Mission6D Phase Space (V<20) and Astrophysical Parameters (V<16) for 109 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)

Star motion in 10 sAstrometric

Field

Blue P

hotometer

CC

Ds

Sky Mappers

Red

Photom

eter

Radial-Velocity Spectrometer

• 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 ResponseAccepted Dec 2006

Italian Effort on Gaia

_______________________________________________Elena Pancino - INAF Visiting Committee (Dec 2007)

P.I.: M. Lattanzi (TO)INAF: INAF Staff (Salaries) and Small ExpensesASI: Missions, Contracts, Hardware (until launch 2012)

1.6 M€ (2008-2009) - Total Manpower 30 FTE (2007)

Involvement in all CUs, but mainly:CU3 (Core, Astrometry): TorinoCU4 (Object Analysis): Torino• CU5 (Photometry): Bologna, Roma, Teramo• CU7 (Variability): Bologna, Napoli, CataniaCU8 (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 (330-1050 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-00000 Manager: E. PancinoTeam: 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 TableCAFOS, 2.2m CAHA(3 blue + 3 red spectra)

Telluric Bands

_______________________________________________Elena Pancino - INAF Visiting Committee (Dec 2007)

Work Package: GWP-514-M-00000 Manager: C. CacciariTeam: M. Bellazzini, P. Montegriffo, E. PancinoManpower (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. IbrahimowManpower: (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-720-03000 Manager: G. Clementini Team: V. Ripepi, M. Marconi, I. Musella, A. Piersimoni, G. Bono, L. Szabados, M. Groenewegen, C. Ngeow, M. Chadid, K. KolenbergManpower: (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)

Conclusions:Conclusions:

The Bologna Observatory of INAF The Bologna Observatory of INAF participates in fundamental aspects of participates in fundamental aspects of the Gaia mission, with a significant the Gaia mission, with a significant amount of resources and of expertise.amount of resources and of expertise.

Much work has been done but we just Much work has been done but we just started. Launch is foreseen in 2012 and started. Launch is foreseen in 2012 and we need funds and manpower to we need funds and manpower to complete the assigned tasks.complete the assigned tasks.