sdsmooth – Smooth spectral data – single dish task
Description
Task sdsmooth performs smoothing along spectral axis using user-specified smoothing kernel. Currently gaussian and boxcar kernels are supported.
Parameters
Parameter |
Default |
Description |
|---|---|---|
infile |
|
|
datacolumn |
|
|
antenna |
|
|
field |
|
|
spw |
|
|
timerange |
|
|
scan |
|
|
pol |
|
|
intent |
|
|
kernel |
|
|
kwidth |
|
|
outfile |
|
|
overwrite |
|
overwrite the output file if already exists [True, False] |
Parameter Explanations
infile
''
name of input SD dataset
datacolumn
'data'
name of data column to be used [“data”, “float_data”, or “corrected”]
antenna
''
select data by antenna name or ID, e.g. “PM03”
field
''
select data by field IDs and names, e.g. “3C2*” (“”=all)
spw
''
select data by spectral window IDs, e.g. “3,5,7” (“”=all)
timerange
''
select data by time range, e.g. “09:14:0~09:54:0” (“”=all) (see examples in help)
scan
''
select data by scan numbers, e.g. “21~23” (“”=all)
pol
''
select data by polarization IDs, e.g. “0,1” (“”=all)
intent
''
select data by observational intent, e.g. “ON_SOURCE” (“”=all)
kernel
'gaussian'
spectral smoothing kernel type
kwidth
int(5)
smoothing kernel width in channel
outfile
''
name of output file
overwrite
False
overwrite the output file if already exists