Brazilian Decimetric Array (Phase-I)

Details Brazilian Decimetric Array (Phase-I) Brazilian Decimetric Array (Phase-I)

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007soph..242..213s&link_type=abstract

Solar Physics, Volume 242, Issue 1-2, pp. 213-220

Physics

1

Scientific paper

An East West, one-dimensional radio interferometer array consisting of five parabolic dish antennas has been set up at Cachoeira Paulista (longitude 45°0′20″ W, latitude 22°41′19″ S) for observations of the Sun and some of the strong sidereal sources by the Instituto Nacional de Pesquisas Espaciais (INPE), Brazil. This is Phase-I of the proposed Brazilian Decimetric Array and can be operated at any frequency in the range 1.2 1.7 GHz. The instrument has been in operation since November 2004 onwards at 1.6 GHz. The angular and temporal resolutions at this frequency are ˜3′ and 100 ms, respectively. Details of the array, analog/digital receiver system, and a preliminary East West one-dimensional solar image at the 1.6 GHz are presented in this paper.

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