[daip] BPASS

Lynn D. Matthews lmatthew at cfa.harvard.edu
Tue Nov 7 13:35:44 EST 2006


I have just tried running the new BPASS. I find that the real and
imaginary values listed in the generated BP table are all "INDEF",
while all the channel shifts are 0.

My inputs are appended below.

Lynn

AIPS 1: BPASS     Task to generate a "Bandpass" (BP) table.
AIPS 1: Adverbs     Values                 Comments
AIPS 1: ----------------------------------------------------------------
AIPS 1: USERID        0                    User number
AIPS 1: INNAME     'BG118D'                Input UV file name (name)
AIPS 1: INCLASS    'SPLAT'                 Input UV file name (class)
AIPS 1: INSEQ         2                    Input UV file name (seq. #)
AIPS 1: INDISK        1                    Input UV file disk unit #
AIPS 1:
AIPS 1:                                    Data Selection
AIPS 1: CALSOUR    '4C39.25'               Bandpass calibrator sources.
AIPS 1:            '0528+134'  *rest ' '
AIPS 1: QUAL         -1                    Calibrator qualifier -1=>all
AIPS 1: CALCODE    ' '                     Calibrator code '    '=>all
AIPS 1: UVRANG        0           0        UV range to select
AIPS 1: TIMERANG   *all 0                  Time range to select
AIPS 1: SELBAND      -1                    Bandwidth to select (kHz)
AIPS 1: SELFREQ      -1                    Frequency to select (MHz)
AIPS 1: FREQID       -1                    Freq. ID to select.
AIPS 1: BIF           1                    Lowest IF number 0=>all
AIPS 1: EIF           0                    Highest IF number 0=>all
AIPS 1: SUBARRAY      0                    Subarray, 0=>all
AIPS 1: ANTENNAS   *all 0                  Antennas to select
AIPS 1:
AIPS 1:                                    CLEAN map (optional)
AIPS 1: IN2NAME    ' '                     Cleaned map name (name)
AIPS 1: IN2CLASS   ' '                     Cleaned map name (class)
AIPS 1: IN2SEQ        0                    Cleaned map name (seq. #)
AIPS 1: IN2DISK       0                    Cleaned map disk unit #
AIPS 1: INVERS        7                    CC file version #.
AIPS 1: NCOMP      *all 0                  # comps to use for model.
AIPS 1:                                    1 value per field
AIPS 1: FLUX          0                    Lowest CC component used.
AIPS 1: NMAPS         0                    No. Clean map files
AIPS 1: CMETHOD    ' '                     Modeling method:
AIPS 1:                                    'DFT','GRID','    '
AIPS 1: SMODEL     *all 0                  Source model, 1=flux,2=x,3=y
AIPS 1:                                    See HELP SMODEL for details.
AIPS 1:
AIPS 1:                                    Control options
AIPS 1: DOCALIB       2                    > 0 calibrate data & weights
AIPS 1:                                    > 99 do NOT calibrate weights
AIPS 1: GAINUSE       8                    CL table to apply (SN table
AIPS 1:                                    to apply to single-source)
AIPS 1: DOPOL        -1                    If >0 correct polarization.
AIPS 1: BLVER        -1                    BL table to apply.
AIPS 1: FLAGVER       2                    Flag table version
AIPS 1: DOBAND       -1                    If >0 apply bandpass cal.
AIPS 1:                                    Method used depends on value
AIPS 1:                                    of DOBAND (see HELP file).
AIPS 1: BPVER         0                    Bandpass table version
AIPS 1: SOLINT        0                    Solution interval (mins)
AIPS 1:                                    -1 => do whole time range
AIPS 1: SOLTYPE    ' '                     Soln type,'  ','L1','GCON',
AIPS 1:                                       'R', 'L1R', 'GCOR'
AIPS 1: REFANT        9                    Reference antenna
AIPS 1: OUTVERS      19                    Output BP table version
AIPS 1:                                    0 => a new table to be
AIPS 1:                                         generated.
AIPS 1: SMOOTH     *all 0                  Smoothing function.
AIPS 1:                                    BE VERY CAREFUL HERE.
AIPS 1: ANTWT      *all 0                  Ant. wts (0 => 1.)
AIPS 1: WEIGHTIT      0                    Modify data weights function
AIPS 1: MINAMPER      0                    Amplitude closure error
AIPS 1:                                    regarded as excessive in %
AIPS 1: MINPHSER      0                    Phase closure error regarded
AIPS 1:                                    as excessive in degrees
AIPS 1: BPASSPRM      0           1        Control information:
AIPS 1:               1           1        1: if > 0 use only the
AIPS 1:               1           0           autocorrelation data.
AIPS 1:               0           1        2: print level - see help
AIPS 1:               0           2        3: If > 0 do not divide data
AIPS 1:               0                       by source model
AIPS 1:                                    4: If > 0 store phases only
AIPS 1:                                       in the BP table.
AIPS 1:                                    5: Divide by 'channel 0'
AIPS 1:                                       **** SEE HELP - NEW ****
AIPS 1:                                    6: amp closure error limit -
AIPS 1:                                       print channels averaging
AIPS 1:                                       over this if (2) > 0
AIPS 1:                                    7: phase closure error limit
AIPS 1:                                       print channels averaging
AIPS 1:                                       over this if (2) > 0
AIPS 1:                                    8: > 0 => scalar average
AIPS 1:                                    9: > 0 => interpolate over
AIPS 1:                                       flagged channels if poss.
AIPS 1:                                    10:1 => normalize amplitudes
AIPS 1:                                         using all channels
AIPS 1:                                       2 => normalize amplitudes
AIPS 1:                                         using ICHANSEL channels
AIPS 1:                                       3 => normalize amplitudes
AIPS 1:                                         and zero average phase
AIPS 1:                                         using ICHANSEL channels
AIPS 1:                                       4 => normalize amplitudes
AIPS 1:                                         and zero average phase
AIPS 1:                                         using all channels
AIPS 1:                                       0 => no deliberate norm.
AIPS 1:                                    11: > 0 solution weights are
AIPS 1:                                       independent of channel
AIPS 1:                                       = -1 weights scaled
AIPS 1:                                         by amplitude**2
AIPS 1:                                       < -1.5 weights scaled by
AIPS 1:                                         1 / amplitude**2
AIPS 1: ICHANSEL     10         410        Array of start and stop chan
AIPS 1:               1        *rest 0     numbers, plus a channel
AIPS 1:                                    increment and IF to be used
AIPS 1:                                    to select channels to sum to
AIPS 1:                                    find a 'channel 0'.  If all
AIPS 1:                                    0, range set to inner 75% of
AIPS 1:                                    observing band.
AIPS 1: SPECINDX      0                    Spectral index to correct
AIPS 1:                                    'Channel 0' uv-data
AIPS 1: IN3NAME    ' '                     Channel 0 uv name (name)
AIPS 1:                                    must be '' to suppress option
AIPS 1: IN3CLASS   ' '                     Channel 0 uv name (class)
AIPS 1:                                    must be '' to suppress option
AIPS 1: IN3SEQ        0                    Channel 0 uv name (seq. #)
AIPS 1: IN3DISK       0                    Channel 0 uv disk unit #
AIPS 1: BADDISK    *all 0                  Disks to avoid for scratch




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