The gain-elevation correction of the IRAM 30-m telescope

Details The gain-elevation correction of the IRAM 30-m telescope The gain-elevation correction of the IRAM 30-m telescope

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..132..413g&link_type=abstract

Astronomy and Astrophysics Supplement, v.132, p.413-416

Astronomy and Astrophysics

Astrophysics

8

Telescopes

Scientific paper

The residual surface deformations of an optimized homologous radio reflector produce an elevation dependent gain variation for which astronomical observations must be corrected. For the IRAM 30-m telescope we provide information, and an example, how to correct observations of point-like and extended sources. We find agreement between the gain-elevation dependence predicted from the finite element structural calculations and radiometric measurements on the telescope.

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