No subject


Thu Jul 24 13:42:23 EDT 2014


with BPASS, have fluxes reduced by a factor of about 1000.0
Here below I report the parameter set I used for running BPASS:

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     'GM043A_CAL  '          Input UV file name (name)
AIPS 1: INCLASS    'UVDAT '                Input UV file name (class)
AIPS 1: INSEQ         1                    Input UV file name (seq. #)
AIPS 1: INDISK        1                    Input UV file disk unit #
AIPS 1:
AIPS 1:                                    Data Selection
AIPS 1: CALSOUR    *all ' '                Bandpass calibrator sources.
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           0                    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       1                    Cleaned map disk unit #
AIPS 1: INVERS        8                    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       1                    If >0 calibrate data
AIPS 1:                                    = 2 calibrate weights
AIPS 1: GAINUSE       3                    CL table to apply (SN table
AIPS 1:                                    to apply to single-source)
AIPS 1: DOPOL        -1                    If >0 correct polarization.
AIPS 1: FLAGVER       2                    Flag table version
AIPS 1: SOLINT        0                    Solution interval (mins)
AIPS 1:                                    -1 => do whole time range
AIPS 1: REFANT        1                    Reference antenna
AIPS 1: BPVER         5                    BP table version to write
AIPS 1:                                    0 => a new table to be
AIPS 1:                                         generated.
AIPS 1: SMOOTH     *all 0                  Smoothing function. See
AIPS 1:                                    HELP SMOOTH for details.
AIPS 1: ANTWT      *all 0                  Ant. wts (0 => 1.)
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      1           2        Control information:
AIPS 1:            *rest 0                 1: if > 0 use only the
AIPS 1:                                       autocorrelation data.
AIPS 1:                                    2: print level - see help
AIPS 1:                                    3: If > 0 do not divide data
AIPS 1:                                       by source model
AIPS 1:                                    4: If > 0 store phases only
AIPS 1:                                       in the BP table.
AIPS 1:                                    5: If <= 0 divide by 'channel
AIPS 1:                                       0' before determining BP.
AIPS 1:                                       If > 0 switch off the
AIPS 1:                                       channel 0 divide option.
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:                                       0 => no deliberate norm.
AIPS 1:                                    11: > 0 solution weights are
AIPS 1:                                       independent of channel
AIPS 1:                                       <=0, > -1.5 weights scaled
AIPS 1:                                         by amplitude**2
AIPS 1:                                       < -1.5 weights scaled by
AIPS 1:                                         1 / amplitude**2
AIPS 1: ICHANSEL   *all 0                  Array of start and stop chan
AIPS 1:                                    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:
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
>

Am I setting wrongly the BPASS parameters ?

Thanks for your help.

ciao,
Luca



-------------------------------------------------------------------------------
Luca Moscadelli       (mosca at ca.astro.it)
Osservatorio Astronomico di Cagliari
Loc. Poggio dei Pini, strada 54
09012 - Capoterra (CA)   Italy
Tel: +39 070 71180235 (office) ;  Fax: +39 070 71180222




More information about the Daip mailing list