نتایج جستجو برای: iram
تعداد نتایج: 656 فیلتر نتایج به سال:
We have used the IRAM Plateau de Bure mm interferometer to locate with subarcsecond accuracy the dust emission of three of the brightest 1.2mm sources in the NTT Deep Field (NDF) selected from our 1.2mm MAMBO survey at the IRAM 30m telescope. We combine these results with deep B to K imaging and VLA interferometry. Reliable identifications are an essential step towards an understanding of the h...
The measurement of the J=1–0 line of CO with the IRAM interferometer is reported. The CO line parameters are in good agreement with the result given by Scoville et al. (1993). Thus, CO emission from 3C 48, a radio loud QSO, is definitely detected. The CO emission region is marginally resolved. Source parameters based on the CO line data are discussed.
The increasing gap between processor and memory performance has led to new architectural models for memory-intensive applications. In this paper, we use a set of memory-intensive benchmarks to evaluate a mixed logic and DRAM processor called VIRAM as a building block for scientific computing. For each benchmark, we explore the fundamental hardware requirements of the problem as well as alternat...
The Cosmic Evolution Survey (COSMOS) targets an equatorial two square degree field covering the full electromagnetic spectrum. Here we present first results from observations of the COSMOS field in the millimeter and centimeter regime done with the IRAM 30m/MAMBO array and NRAO’s Very Large Array (VLA) at 250GHz and 1.4GHz, respectively.
BACKGROUND Surgeries and other procedures can influence the risk of death in hospital. All published scales that predict post-operative death risk require clinical data and cannot be measured using administrative data alone. This study derived and internally validated an index that can be calculated using administrative data to quantify the independent risk of hospital death after a procedure. ...
We present a detailed millimeter line study of the circumstellar environment of the low-luminosity Class 0 protostar IRAM 04191 + 1522 in the Taurus molecular cloud. New line observations demonstrate that the ∼ 14000 AU radius protostellar envelope is undergoing both extended infall and fast, differential rotation. Radiative transfer modeling of multitransition CS and C 34 S maps indicate an in...
We present 12CO,13CO and C18O J=1→0, and 12CO and 13CO 2→1 and 3→2 observations of the Rosette Molecular Complex (RMC), obtained with the KOSMA 3m and IRAM 30m telescopes. We introduce a method for correcting error beam pick-up of single-dish telescopes in spectral line radio maps by using observations of a smaller telescope and apply it to correct the IRAM 30m data presented in this paper by t...
We have used the IRAM Plateau de Bure mm interferometer to locate with sub-arcsecond accuracy the dust emission of three of the brightest 1.2 mm sources in the NTT Deep Field (NDF) selected from our 1.2mm MAMBO survey at the IRAM 30m telescope. We combine these results with deep B to K imaging and VLA interferometry. Reliable identifications are an essential step towards an understanding of the...
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