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225 papers · 1 filter
The water abundance behind interstellar shocks: results from /PACS and /IRS observations of HO, CO, and H
David A. Neufeld, Antoine Gusdorf, Rolf Güsten +7
We have investigated the water abundance in shock-heated molecular gas, making use of measurements of far-infrared CO and HO line emissions in combination with $Spit…
Diffuse optical intracluster light as a measure of stellar tidal stripping: the cluster CL0024+17 at 0.4 observed at LBT
E. Giallongo, N. Menci, A. Grazian +9
We have evaluated the diffuse intracluster light (ICL) in the central core of the galaxy cluster CL0024+17 at observed with the prime focus camera (LBC) at LBT. The mea…
CO(1-0) survey of high-z radio galaxies: alignment of molecular halo gas with distant radio sources
B. H. C. Emonts, R. P. Norris, I. Feain +19
We present a CO(1-0) survey for cold molecular gas in a representative sample of 13 high-z radio galaxies (HzRGs) at 1.4<z<2.8, using the Australia Telescope Compact Array. We dete…
Probing photon decay with the Sunyaev-Zel'dovich effect
S. Colafrancesco, P. Marchegiani
The fundamental properties of the photon have deep impact on the astrophysical processes that involve it, like the inverse Compton scattering of CMB photon by energetic electrons r…
Quiescent state and outburst evolution of SGR 0501+4516
A. Camero, A. Papitto, N. Rea +9
We report on the quiescent state of the Soft Gamma Repeater SGR 0501+4516 observed by XMM-Newton on 2009 August 30. The source exhibits an absorbed flux ~75 times lower than that m…
Swift X-ray and ultraviolet observations of the shortest orbital period double-degenerate system RX J0806.3+1527 (HM Cnc)
P. Esposito, G. L. Israel, S. Dall'Osso +1
The system RX J0806.3+1527 (HM Cnc) is a pulsating X-ray source with 100 per cent modulation on a period of 321.5 s (5.4 min). This period reflects the orbital motion of a close bi…