casa6

class par(str):

​

        @staticmethod

        def acaconfig():

                """

                Antenna configuration of ACA 7-m array [''|'cycle1'|'i'|'ns']

                Available configurations are:

                * '' (default) : automatically defines based on antennalist. 

                                 If antennalist is Cycle-1 configuration, acaconfig='cycle1'.

                                 Otherwise, acaconfig='i'

                * 'cycle1' : Cycle-1 ACA-7m configuration. Uses 'aca_cycle1.cfg'.

                * 'i' : Normal ACA configuration in full operation. Uses 'aca.i.cfg'.

                * 'ns': North-South extended configuration in full operation. Uses 'aca.ns.cfg'.

                """

​

        @staticmethod

        def acaratio():

                """

                Ratio of the total observation time of ACA relative to that of 12m array.

                Set 0 for no ACA observation. 

                For Cycle-1 with ACA, set acaratio = 3.

                """

​

        @staticmethod

        def accumtime():

                """ Cumulative table timescale when creating from scratch. This is the sampling

                interval upon which to accumulate *if* an input calibration table (tablein)

                has not been specified. [units=seconds] """

​

        @staticmethod

        def addwn():

                """

        addwn -- additional wave number(s) of sinusoids to be used

                 for fitting.

                         (list) and (int) are accepted to specify every

                         wave numbers. also (str) can be used in case

                         you need to specify wave numbers in a certain range,

                example: 'a-b' (= a, a+1, a+2, ..., b-1, b),

                     '<a'  (= 0,1,...,a-2,a-1),

                     '>=a' (= a, a+1, ... up to the maximum wave

                                  number corresponding to the Nyquist

                                  frequency for the case of FFT).

            default: []

        """

​

    @staticmethod

    def alg():

        """ 

            alg -- Algorithm to use:

                    default: 'csclean'; example: alg='clark'; 

                    Options: 'clark','hogbom','csclean'

                    csclean is Cotton-Schwab and cleans entire image

                    hogbom and clark clean inner quarter of image

​

        """

​

    @staticmethod

    def algorithm():

        """

            algorithm -- autoflag algorithm name

                default: 'timemed'

                options: 'timemed','freqmed','uvbin','sprej'

​

                column -- the column on which to operate (DATA, CORRECTED, MODEL)

                expr -- expression to use

                        default: 'ABS I'; example: expr='RE XX'

                        Options: 'ABS','ARG','RE','IM','NORM' + ' ' +  'I','XX','YY','RR','LL'

​

                thr -- flagging threshold as a multiple of standard-deviation ( n sigma )

                window -- half width for sliding window median filters

        """

​

    @staticmethod

    def antenna():

        """ 

                antenna -- Select data by antenna/baseline

                default: 0 for sdimaging, '' (means all) for the other tasks

                Non-negative integers are assumed to be antenna indices, and

                anything else is taken as an antenna name.

​

                Examples:

                antenna='5&6': baseline between antenna index 5 and index 6.

                antenna='VA05&VA06': baseline between VLA antenna 5 and 6.

                antenna='5&6:7&8': baselines 5-6 and 7-8

                antenna='5': all baselines with antenna 5

                antenna='5,6,10': all baselines including antennas 5, 6, or 10

                antenna='5,6,10&': all baselines with *only* antennas 5, 6, or 10

                                   (cross-correlations only.  Use && to include

                                   autocorrelations, and &&& to get only

                                   autocorrelations.)

                antenna='!ea03,ea12,ea17': all baselines except those that include