Atacama Pathfinder EXperiment APEX
Heterodyne Instruments
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OTF Estimator V4.0
OTF Time Estimator
OTF time estimator V4.0
(The numbers in green represent the automatic suggestion to be used in the OTF definition. )
How to use
Heterodyne receiver:
APEX-1
APEX-2
APEX-3
FLASH345
FLASH460
Frequency:
[GHz]
Resolution Δv:
[km/s]
pwv :
[mm H
2
O]
Source elevation:
[deg]
Length axis in scanning direction:
[arcsec]
Space between dumps in scanning direction :
[arcsec]
0
Length in the orthogonal axis:
[arcsec]
Space between rows:
[arcsec]
0
Dumptime (< 4 [s]):
[sec]
0 (max dumptime)
rms in the map with full sampling:
[K]
Numbers of rows per off (on2off):
Numbers of submaps between calibration:
Results
Time per sub map [sec]
0
120 (maximum time per submap).
Numbers of submaps between calibration
0 (calibration every 10 minutes).
Total map area covered [arcsec
2
]
0
Numbers of submaps
1
Tau (source elev deg)
INF
Trec [K]
49.5
Tsys [K] (source elev deg)
49.5
Beam [arcsec]
0
Area Beam [arcsec
2
]
0
Scaning speed [arsec/ s]
0
Num of rows per off
0
Coverage num
0
sigma reach after 0 coverage(s) [K]
0
On source time [min,hr]
0 | 0
Off source time [min,hr]
0 | 0
Calibration time [min,hr]
0 | 0
Telescope time [min,hr]
NAN | NAN
ON/OFF OTC Calculator