1.3.2.0 msmetadata.propermotions

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msmetadata.propermotions - Function

1.3.2 Get the values of the PROPER_MOTION column from the SOURCE table.

Description

Get the values of the DIRECTION column from the SOURCE table. Returns a dictionary in which the keys are the associated zero-based row numbers, represented as strings, in the SOURCE table. The associated values are two element dictionaries, with keys ”longitude” and ”latitude”, containing the longitudinal and latidinal components of the proper motion, which are valid quantity dictionaries.

Arguments

Returns
record

Example

    msmd.open("my.ms")
    # get PROPER_MOTION column values from the SOURCE table
    mu = msmd.propermotions()
    msmd.done()
    # the direction associated with zero-based row number 10
    mu10 = mu["10"]

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