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

Title

Parameter	Default	Description
infile	''
datacolumn	'data'
antenna	''
field	''
spw	''
timerange	''
scan	''
pol	''
intent	''
reindex	True
kernel	'gaussian'
kwidth	int(5)
outfile	''
overwrite	False	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)

reindex

True

Re-index indices in subtables based on data selection

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