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sd.calnod - Function

5.1.1 Calibration function for nodding data
Description

This method performs full (but a pair of scans at time) processing of GBT Nod data calibration. Adopted from GBTIDL’s getnod

Arguments

Inputs

scantab

Input data as a scantable

allowed:

scantable

Default:

scannos

A pair of scan numbers, or the first scan number of the pair

allowed:

(list of) integer

Default:

[] (all data)

smooth

Box car smoothing order

allowed:

int

Default:

1 (no smoothing)

tsysval

Optional user specified Tsys

allowed:

float

Default:

0.0 (use Tsys in the data)

tauval

Optional user specified optical depth (not implemented yet)

allowed:

float

Default:

0.0

tcalval

Optional user specified Tcal

allowed:

float

Default:

0.0

verify

Verify calibration if True

allowed:

bool

Default:

False

Returns
scantable

Example

   s=sd.scantable(’IRC+10216_rawACSmod’,False)#load the data without averaging  
   scal=sd.calnod(s,[229,230])             # Calibrate CS scans

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