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1.3.1 define a frequency measure
Description
frequency defines a frequency measure from the CLI. It has to specify a
reference code, frequency quantity value (see introduction for the action on a
scalar quantity with either a vector or scalar value),
and optionally it can specify an offset, which in itself has to be a frequency.
Allowable reference codes are: REST LSRK LSRD BARY GEO TOPO
GALACTO LGROUP CMB.
Note that additional ones may become available. Check in CASA with:
The frequency quantity values should be in one of the recognised units (examples all give same frequency):
Arguments
| Inputs |
| ||
| rf |
| reference code | |
| allowed: | string |
|
| Default: | LSRK |
|
| v0 |
| frequency/wavelength/…
| |
| allowed: | any |
|
| Default: | variant |
|
| off |
| optional offset frequency measure
| |
| allowed: | any |
|
| Default: | record |
|
Example
Please send any comments or questions about CASA or AIPS++ to aips2-requests@nrao.edu
Copyright © 2008 Associated Universities Inc., Washington, D.C.
This code is available under the terms of the GNU General Public Lincense
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