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Table 1

SMA observations summary.

Array configuration Subcompact Compact Extended
Observing date 2014 Feb 10, July 25 2013 Aug 2 2013 Oct 24, 25
τ225GHz 0.14, 0.12 0.13 0.25, 0.16
Number of antennas 6, 7 5 6
Time on target (h) 2, 5 8 8
Flux calibrator Callisto, Neptune Uranus Uranus
Passband calibrator 0102 + 584 3c84 3c454.3
Gain calibrator 0102 + 584 0102 + 584 0102 + 584

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