Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20515308s&link_type=abstract
American Astronomical Society Meeting 205, #153.08; Bulletin of the American Astronomical Society, Vol. 36, p.1603
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The Low Frequency Array (LOFAR) is the first in the next generation of digital radio telescopes making strides in the Netherlands at ˜ 10 to 240 MHz (30 to 1.2 m). The LOFAR initial test station (ITS) represents the first prototype in the setup of a LOFAR station; it is comprised of 60 inverted-V dipole antennae operating at 10 to 35 MHz. With 45 additional stations similar to ITS planned and separated by a maximum baseline of 100 kilometers, LOFAR will achieve near arc second resolution by the year 2008. Here we report on the achievements of ITS, including: some of the first all-sky images, spectral index mapping of the galactic plane, the response and sensitivity functions of operating in a phase-array mode, as well as details on the software development aimed at maximizing the flexibility of managing, calibrating, processing and distributing the radio data collected by the array. Due to its design as a wide-area sensor network, LOFAR will provide an unprecedented platform for research in several interdisciplinary fields and it will be open to the international community of scientists, educators and students with its Internet accessible data repositories and designated educational programs.
Bahren L.
Brentjens Michiel
Falcke Heino
Paardekooper Jan-Pieter
R"ottgering Huub J. A.
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