NRAO Home > CASA > CASA Toolkit Reference Manual
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


More information about CASA may be found at the CASA web page

Copyright 2016 Associated Universities Inc., Washington, D.C.

This code is available under the terms of the GNU General Public Lincense


Home | Contact Us | Directories | Site Map | Help | Privacy Policy | Search