Continuum Sensitivity of Sub-mm Telescopes
Telescope
Time in hours to survey
1 square degree at 1 mJy
850m
450m
350m
ALMA
19
2.4 103
6.4 103
FIRST
678
583
SOFIA
800
800
AST/RO
5.1 104
5.8 104
7.7 104
SP 10m
18
20
27
SP 30m
2
2
3
Survey speed nAB / Tsys2
n = number of detectors
A = total collecting area
B = bandwidth
Tsys = corrected system temperature