Tidbinbilla Two-Element Interferometer

Details Tidbinbilla Two-Element Interferometer Tidbinbilla Two-Element Interferometer

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..938b&link_type=abstract

ASTRONOMICAL JOURNAL V. 87, P. 938, 1982

Astronomy and Astrophysics

Astronomy

12

Scientific paper

A phase-stable two-element interferometer has been formed by linking the 64- and 34-m antennas of the Deep Space Network at Tidbinbilla, Australia. Utilizing the existing first-stage maser receivers at 2.3 GHz to yield a system temperature of ∼20 K, the system has a 5σ detection sensitivity of 50 mJy in 1 s, with a rms confusion of ∼6 mJy. The 195-m north-south baseline permits positional measurements to ∼2 arcsec of sources stronger than 100 mJy over the declination range -80° ≲ δ ≲ +30 . Such measurements are ideally suited for the optical identification of weak radio sources. It is planned to extend the frequency of operation of the instrument to 8.4 GHz in the near future.

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