Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile First results from the H.E.S.S. Galactic Plane Survey Stefan Funk (MPI-K Heidelberg) for the H.E.S.S. Collaboration

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile High Energy Stereoscopic System  Array of 4 Imaging Cherenkov Telescopes  In Namibia, 1800 m a.s.l. – Good optical site - dry, high and clear – Location perfect for central part of our galaxy   System completed December 2003

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile  -ray astronomy  The sky in high energy gamma-rays: EGRET AGN SNR Pulsars Unidentified sources Diffuse emission from CR interactions

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile  The sky in very high energy gamma-rays: IACTs AGN SNR Pulsars Unidentified sources (Diffuse emission from CR interactions) VHE  -ray astronomy  Handful of known galactic sources from pointed observations  HEGRA survey (nothern sky) in VHE Gamma-rays –Found no sources –Average sensitivity: 15-30% Crab

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile Technical details  Conducted between May and July 2004  Galactic Longitude -30° to +30°, Latitude -1°, 0°, 1°  504 runs, 230 hours of data  Reached average flux sensitivity below 3% of Crab  Known VHE Gamma-ray sources in the Region: –Galactic Centre and G –SNR RXJ Galactic survey region GC RXJ 1713

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile Counterparts  Three plausible associations with pulsar wind nebulae, two with SNRs  Only two of the new sources are vaguely close to EGRET sources (different populations?)  At least two of the sources have no known counterpart in any other waveband  Need multiwavelength data to understand these new sources

Jim Hinton MPI-R, Bonn Stefan Funk for H.E.S.S., XXXXth Rencontres de Moriond – 15th of march 2005, La Thuile Summary  First sensitive scan of inner part of Galactic plane  8 new sources, more to come  Will extend the survey this year  First results in upcoming Science paper