Create CASA measurement sets: Difference between revisions
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Revision as of 04:48, 23 February 2017
The data EOVSA are stored in MIRIAD data format. To use CASA to process the data, one will need to import MIRIAD visibilities to be converted to a CASA Measurement Set (MS).
Import visibilities from MIRIAD
We have written a CASA task named importeovsa. The task importeovsa allows one to import visibilities in MIRIAD data format (IDB/UDB) to create MS file(s). The inputs are:
# importeovsa :: Import EOVSA idb file(s) to a measurement set or multiple measurement set idbfiles = '' # Name of input EOVSA idb file(s) or observation time range. timebin = '0s' # Bin width for time averaging width = 1 # Width of output channel relative to MS channel (# to average) visprefix = '' # Prefix of vis names (may include the path). nocreatms = False # If setting nocreatms True, will simulate a model measurement set for the first idb file and copy the model for the rest of idl files in list. If False, will # simulate a new measurement set for every idbfile in list. doconcat = False # If concatenate multi casa measurement sets to one file. modelms = '' # Name of input model measurement set file. If modelms is assigned, no simulation will start.
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