CNR ISTITUTO DI RADIOASTRONOMIA INAF Sardinia Radio Telescope G. Grueff IRA – Istituto di Radioastronomia INAF – Istituto Nazionale di Astrofisica

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT SITEElevation 585 m Longitude m 40 s Latitude m 50 s

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT DESIGN GOALS Large Diameter: 64 meters Large Diameter: 64 meters Multiple Feeds Multiple Feeds 300MHz to 100GHz 300MHz to 100GHz Receive and Transmit Receive and Transmit Versatile Configuration – Can be used for: Versatile Configuration – Can be used for: Radio Astronomy Radio Astronomy VLBI VLBI Deep Space Probes (such as Cassini) Deep Space Probes (such as Cassini) Use State-of-the-Art Technology Use State-of-the-Art Technology Minimum Technical Risks Minimum Technical Risks Can be implemented in two stages: Can be implemented in two stages: Stage 1: Up to 22GHz HOMOLOGY Stage 1: Up to 22GHz HOMOLOGY Stage 2: Up to 100GHz ACTIVE SURFACE Stage 2: Up to 100GHz ACTIVE SURFACE

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT SCIENTIFIC MOTIVATIONS Continuum Sky Mapping Continuum Sky Mapping VLBI VLBI Improved Sensitivity Improved Sensitivity Space VLBI Space VLBI Variability Variability Cosmic Microwave Background Cosmic Microwave Background Small-Scale fluctuations Small-Scale fluctuations Sunyaev-Zeldovich Effect Sunyaev-Zeldovich Effect Galactic Background Polarization Galactic Background Polarization Pulsars Pulsars Searches and Discovery Searches and Discovery Fundamental Physics, Neutron Stars Fundamental Physics, Neutron Stars Interstellar Medium studies Interstellar Medium studies Support for Space Mission Support for Space Mission Radio Stars Radio Stars Flare Stars, RS CVn, Algol, X-ray, Flare Stars, RS CVn, Algol, X-ray,Novae Solar System Solar System The Sun The Sun Planetary Radar Planetary Radar Spacecraft Tracking Spacecraft Tracking CONTINUUM RADIATION

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT SCIENTIFIC MOTIVATIONS Extragalactic CO Studies Extragalactic CO Studies Evolution of Galaxies Evolution of Galaxies Structure of Individual Galaxies Structure of Individual Galaxies Extragalactic Molecules (other) Extragalactic Molecules (other) Normal Emission and Absorption Normal Emission and Absorption Masers Masers Galactic Studies Galactic Studies The Stellar Disk The Stellar Disk Evolved Stars Evolved Stars Methanol Methanol Diffuse Clouds Diffuse Clouds Dark Clouds Astrochemistry Dark Clouds Astrochemistry Isotopes of Cosmological Interest Isotopes of Cosmological Interest Solar System Solar System Comets (OH, H 2 CO, HC 3 N, Urea) Comets (OH, H 2 CO, HC 3 N, Urea) HI: Extragalactic HI: Extragalactic Large-Scale distribution of Galaxies Large-Scale distribution of Galaxies Low-Luminosity Galaxies Low-Luminosity Galaxies High-Redshift HI Absorption High-Redshift HI Absorption HI in Galaxies and Clusters HI in Galaxies and Clusters HI: Galactic HI: Galactic The Magellanic Stream Gas The Magellanic Stream Gas High-Velocity Gas High-Velocity Gas Halo Gas Halo Gas The Galactic Center The Galactic Center The Disk of the Galaxy The Disk of the Galaxy High-Latitude HI Mapping High-Latitude HI Mapping Magnetic Fields via the Zeeman Effect Magnetic Fields via the Zeeman Effect SPECTROSCOPY

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT SIDE VIEW

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT GREGORIAN & BWG

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT PRIMARY FOCUS

CNR ISTITUTO DI RADIOASTRONOMIA INAF PANELS CONTROL SYSTEM

CNR ISTITUTO DI RADIOASTRONOMIA INAF ACTIVE SURFACE

CNR ISTITUTO DI RADIOASTRONOMIA INAF SRT PROJECT - Fundamental Epochs 1991GBT starts the past: 1993got money for a feasibility study 1995feasibility study completed 1997The Ministry of Scientific Research declares to accept the Project and SRT is funded Mar. 1999Contract with Vertex signed (full engineering design) the future: Oct Design completed- GBT dedicated Jan. 2001Manufacturing and Procurement start Jan. 2003Site installation starts Apr. 2004Final Acceptance, we start playing with radiosources

CNR ISTITUTO DI RADIOASTRONOMIA INAF SCHEDULA TEMPORALE

CNR ISTITUTO DI RADIOASTRONOMIA INAF FONTI DI FINANZIAMENTO (acquisite)

CNR ISTITUTO DI RADIOASTRONOMIA INAF IMPEGNI ECONOMICI FUTURI