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Table 2

Main parameters of the IRAM-30 m antenna measured with EMIR between 2009 and 2013 at representative frequencies.

Frequency Beff Feff HPBW S/T
(GHz) (%) (%) (′′) (Jy/K)

86 81 95 29 5.9
115 78 94
145 73 93 16 6.4
210 63 94 11 7.5
230 59 92 10.7
280 49 87
340 35 81 7.5 10.9
345 34 80

Notes. Column 1: representative frequency; Col. 2: beam efficiency; Col. 3: forward efficiency; Col. 4: half power beam width; Col. 5: flux density to antenna temperature conversion factor in Jansky per Kelvin for a point-like source. The values without symbols were reported on 2013. Source: http://www.iram.es/IRAMES/mainWiki/Iram30mEfficiencies

(†)

2009 values.

(‡)

2012 value.

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