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8 papers · 2 filters
Multi-generation massive star-formation in NGC3576
C. R. Purcell, V. Minier, S. N. Longmore +7
Recent 1.2-mm continuum observations have shown the giant HII region NGC3576 to be embedded in the centre of an extended filamentary dust-cloud. The bulk of the filament away from…
Evidence of triggered star formation in G327.3-0.6. Dust-continuum mapping of an infrared dark cloud with P-ArTéMiS
V. Minier, Ph. André, P. Bergman +17
Aims. Expanding HII regions and propagating shocks are common in the environment of young high-mass star-forming complexes. They can compress a pre-existing molecular cloud and tri…
Spectrum and variability of the Galactic Center VHE gamma-ray source HESS J1745-290
H. E. S. S. collaboration, :, F. Aharonian
A detailed study of the spectrum and variability of the source HESS J1745-290 in the Galactic Center (GC) region using new data from the H.E.S.S. array of Cherenkov telescopes is p…
Pre-nova X-ray observations of V2491 Cyg (Nova Cyg 2008b)
A. Ibarra, E. Kuulkers, J. P. Osborne +12
Classical novae are phenomena caused by explosive hydrogen burning on an accreting white dwarf. So far, only one classical nova has been identified in X-rays before the actual opti…
The energetic environment and the dense interstellar medium in ULIRGs
O. Vega, M. S. Clemens, A. Bressan +3
We fit the near-infrared to radio spectral energy distributions of a sample of 30 luminous and ultra-luminous infrared galaxies with models that include both starburst and AGN comp…
Evolution of the Barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars
S. M. Andrievsky, M. Spite, S. A. Korotin +5
Barium is a key element in constraining the evolution of the (not well understood) r-process in the first galactic stars and currently the Ba abundances in these very metal-poor st…