Atacama Pathfinder EXperiment APEX
Heterodyne Instruments
MPIfR Bonn   ESO   Onsala Space Observatory

OTF Time Estimator

OTF time estimator V8.0.1
Heterodyne receiver:
Side Band:
Frequency: [GHz]
Line Freq: [GHz]
Resolution Δv: [km/s]
pwv : [mm H2O]
Source elevation: [deg]
Length axis in scanning direction: [arcsec]
Length in the orthogonal axis: [arcsec]
Dumptime (0.1 <= dt <= 4 [s]): [sec]
rms or sigma requested: [K]
Other Tools
OTF SimulatorHelps you to design a map
Atmospheric transmissionCheck your tuning
ON/OFF OTC CalculatorEstimate on/off integration time
Note about OverheadsOverheads Estimatios
Time per sub map [sec]0
Number of calibrations per coverage 0
Total map area covered [arcsec2] 0
Number of submaps 1
Tau (source elev deg) 122232.767
Trec [K] 80.5
Tsys [K] (source elev deg) INF
HPBW () [arcsec] 18.1
Beam solid angle [arcsec2] 411.5
Num of row per Off position (reference pos.) 1
Scanning speed [arsec/ s] 6
Number of coverages 1
sigma reached after 1 coverage [K]0
sigma reached after 1 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] 0 | 0

2017-09-12SEPIA-B7 added, The specification values for SEPIA-B7 are provisional (based on the specifications) and will need to be updated after successful installation and commissioning
2017-09-12New version 8.0 available. New set of overhead parameters per instrument, measured from data obtained in 2016.
2018-03-21New version 8.0.1 available. LASMA added