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13 papers · 2 filters
Physical and chemical conditions in methanol maser selected hot-cores and UCHII regions
C. R. Purcell, S. N. Longmore, M. G. Burton +4
We present the results of a targeted 3-mm spectral line survey towards the eighty-three 6.67 GHz methanol maser selected star forming clumps observed by Purcell et al. 2006. In add…
Stochastic excitation of nonradial modes II. Are solar asymptotic gravity modes detectable?
K. Belkacem, R. Samadi, M. J. Goupil +3
Detection of solar gravity modes remains a major challenge to our understanding of the innerparts of the Sun. Their frequencies would enable the derivation of constraints on the co…
Large scale galactic turbulence: can self-gravity drive the observed HI velocity dispersions?
Oscar Agertz, George Lake, Romain Teyssier +3
Observations of turbulent velocity dispersions in the HI component of galactic disks show a characteristic floor in galaxies with low star formation rates and within individual gal…
On the frequency, intensity and duration of starburst episodes triggered by galaxy interactions and mergers
P. Di Matteo, F. Bournaud, M. Martig +3
We investigate the intensity enhancement and the duration of starburst episodes, triggered by major galaxy interactions and mergers. To this aim, we analyze two large statistical d…
Simulations of Galactic Cosmic Ray Impacts on the Herschel/PACS bolometer Arrays with Geant4 Code
C. Bongardo, P. M. Andreani, K. Okumura +5
The effects of the in-flight behaviour of the bolometer arrays of the Herschel/PACS instrument under impacts of Galactic cosmic rays are explored. This instrument is part of the ES…
Peering through the stellar wind of IGR J19140+0951 with simultaneous INTEGRAL/RXTE observations
L. Prat, J. Rodriguez, D. C. Hannikainen +1
We have used the RXTE and INTEGRAL satellites simultaneously to observe the High Mass X-ray binary IGR J19140+0951. The spectra obtained in the 3--80 keV range have allowed us to p…