LOFAR: opening a new window on low frequency radio astronomy

Details LOFAR: opening a new window on low frequency radio astronomy LOFAR: opening a new window on low frequency radio astronomy

2011-12-21

arxiv.org/abs/1112.5094v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

Invited talk at the 11th Asian-Pacific Regional IAU Meeting; NARIT Conference Series, Vol. 1; S. Komonjinda, Y. Kovalev, and D

Scientific paper

This contribution reports on the status of LOFAR (the LOw Frequency ARray) in its ongoing commissioning phase. The purpose is to illustrate the progress that is being made, often on a daily basis, and the potential of this new instrument, which is the first "next-generation" radio telescope. Utilizing a novel phased-array design, LOFAR is optimized for the largely unexplored low frequency range: 10 - 240 MHz. The construction of LOFAR in the Netherlands is almost complete and 8 international stations have already been deployed as well. The wide field-of-view and multi-beam capabilities, in combination with sub-milliJansky sensitivity at arcsec (and sub-arcsec) resolution, are unprecedented at these frequencies. With the commissioning of LOFAR in full swing, we report some of the initial results, in particular those coming from the testing of imaging and pulsar modes.

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