945 resultados para Impacting drop


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In the course of our 870 μm APEX/LABOCA follow-up of the Herschel Lensing Survey we have detected a source in AS1063 (RXC J2248.7-4431) that has no counterparts in any of the Herschel PACS/SPIRE bands, it is a Herschel “drop-out” with S_870/S_500 ≥ 0.5. The 870 μm emission is extended and centered on the brightest cluster galaxy, suggesting either a multiply imaged background source or substructure in the Sunyaev-Zel’dovich increment due to inhomogeneities in the hot cluster gas of this merging cluster. We discuss both interpretations with emphasis on the putative lensed source. Based on the observed properties and on our lens model we find that this source may be the first submillimeter galaxy (SMG) with a moderate far-infrared (FIR) luminosity (L_FIR < 10^12 L_⊙) detected so far at z > 4. In deep HST observations we identified a multiply imaged z ~ 6 source and measured its spectroscopic redshift to be z = 6.107 with VLT/FORS. This source may be associated with the putative SMG, but it is most likely offset spatially by 10−30 kpc and they may be interacting galaxies. With a FIR luminosity in the range [5−15] × 10^11 L_⊙ corresponding to a star formation rate in the range [80−260] M_⊙ yr^-1, this SMG would be more representative of the z > 4 dusty galaxies than the extreme starbursts detected so far. With a total magnification of ~25 it would open a unique window to the normal dusty galaxies at the end of the epoch of reionization.

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The study presents an overview of the impact of the main investment tools of the EU budget. The focus is on the increasing role of the financial instruments, which are fundamentally changing the budget’s nature and reach. Through these instruments, the EU can invest more efficiently in more areas and mobilise a multiple of funds. The EU budget has the potential to influence the European economy much more than its modest size in terms of GDP may suggest.

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The study presents an overview of the impact of the main investment tools of the EU budget. The focus is on the increasing role of the financial instruments, which are fundamentally changing the budget’s nature and reach. Through these instruments, the EU can invest more efficiently in more areas and mobilise a multiple of funds. The EU budget has the potential to influence the European economy much more than its modest size in terms of GDP may suggest.

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Mode of access: Internet.

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Texas Department of Transportation, Austin

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Federal Highway Administration, Office of Safety and Traffic Operations Research Development, McLean, Va.

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Mode of access: Internet.

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"SCS-TP-106"--cover.

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Includes bibliographical references.