[daip] SCIMG,SCMAP aborts
Larry Maddox
maddox at nhn.ou.edu
Mon Apr 25 13:16:05 EDT 2005
when trying to image some data using SCMAP or SCIMG, the task abruptly
aborts when i choose "CONTINUE SELF CAL" option from the TV menu.
this occurs after a little cleaning, or after no cleaning. my inputs are
as follows:
AIPS 1: SCMAP: Imaging plus self-calibration
AIPS 1: Adverbs Values Comments
AIPS 1: ----------------------------------------------------------------
AIPS 1: INNAME 'M83 ' Input UV data (name)
AIPS 1: INCLASS 'C98_SP' Input UV data (class)
AIPS 1: INSEQ 2 Input UV data (seq. #)
AIPS 1: INDISK 3 Input UV data disk drive #
AIPS 1: OUTNAME 'M83_C98 ' Output image name
AIPS 1: OUTSEQ 0 Output image seq. no.
AIPS 1: OUTDISK 3 Output image disk drive #
AIPS 1: OUT2NAME 'M83_SC ' Output UV file name
AIPS 1: OUT2CLAS ' ' Output UV file class
AIPS 1: OUT2SEQ 0 Output UV file seq. #
AIPS 1: OUT2DISK 3 Output UV file disk drive #
AIPS 1: Imaging info
AIPS 1: CELLSIZE 0.3 0.3 (X,Y) size of grid in asec
AIPS 1: IMSIZE 2048 2048 Image size (power of 2)
AIPS 1: SHIFT 0 0 (X,Y) image shift in asec
AIPS 1: NOT a "3D" shift.
AIPS 1: UVTAPER 0 0 (U,V) Gaussian taper
AIPS 1: units are kilo-lambda
AIPS 1: UVRANGE 0 0 Min & max baseline (klambda)
AIPS 1: UVWTFN ' ' UV dist. weight function
AIPS 1: blank => uniform
AIPS 1: UVSIZE 0 0 Array size for doing uniform
AIPS 1: weights. 0 -> actual field
AIPS 1: size. ??
AIPS 1: ROBUST 0 Robustness power: -4 -> pure
AIPS 1: uniform weights, 4 => natural
AIPS 1: UVBOX 0 Additional rows and columns
AIPS 1: used in weighting.
AIPS 1: UVBXFN 1 Box function type when UVBOX
AIPS 1: > 0. 0 -> 1 round pill box.
AIPS 1: ROTATE 0 Rotate image CCW from N by
AIPS 1: ROTATE degrees
AIPS 1: ZEROSP *all 0 0-spacing fluxes and weights
AIPS 1: XTYPE 5 Conv. function type in x
AIPS 1: default spheroidal
AIPS 1: YTYPE 5 Conv. function type in y
AIPS 1: default spheroidal
AIPS 1: XPARM *all 0 Conv. function parms for x
AIPS 1: YPARM *all 0 Conv. function parms for y
AIPS 1: Cleaning info
AIPS 1: GUARD 0 0 x,y guard band fractional
AIPS 1: radius
AIPS 1: NBOXES 0 Number of boxes for CLEAN
AIPS 1: CLBOX *all 0 Four coordinates for each box
AIPS 1: OBOXFILE 'FITS:M83C98SC.BOX Output file for final Clean
AIPS 1:
AIPS 1: '
AIPS 1: boxes
AIPS 1: GAIN 0.1 CLEAN loop gain
AIPS 1: FLUX 0 Minimum CLEAN component (Jy)
AIPS 1: MINPATCH 51 Min. BEAM half-width in AP.
AIPS 1: NITER 10000 Maximum # of CLEAN components
AIPS 1: BMAJ 0 FWHM(asec) major axis CLEAN
AIPS 1: restoring beam.
AIPS 1: BMIN 0 FWHM(asec) minor axis CLEAN
AIPS 1: restoring beam.
AIPS 1: BPA 0 CLEAN beam position angle
AIPS 1: FACTOR 0 Speedup factor see HELP
AIPS 1: MAXPIXEL 20000 Maximum pixels searched in
AIPS 1: each major cycle.
AIPS 1: CMETHOD ' ' Modeling method:
AIPS 1: 'DFT','GRID',' '
AIPS 1: Self cal info
AIPS 1: NMAPS 4 Number of self-cal loops.
AIPS 1: SMODEL *all 0 Initial model, 1=flux,2=x,3=y
AIPS 1: REFANT 4 Reference antenna
AIPS 1: SOLINT 0 Solution interval (min)
AIPS 1: APARM *all 0 Control parameters
AIPS 1: 1=min. no. antennas
AIPS 1: 2 >0 => normalize gain
AIPS 1: 3 > 0 => avg. RR,LL
AIPS 1: 5 > 0 => avg. IFs.
AIPS 1: 6=print level, 1=some
AIPS 1: 7=soln SNR cutoff (0=>5)
AIPS 1: 8=SIGMA (see HELP SCMAP)
AIPS 1: 9=Edit averaging time
AIPS 1: 10=Amplitude smoothing time
AIPS 1: SOLTYPE ' ' Soln type,' ','L1','GCON',
AIPS 1: 'R', 'L1R', 'GCOR'
AIPS 1: SOLMODE 'A&P ' Soln. mode: 'A&P','P','P!A',
AIPS 1: 'GCON'
AIPS 1: SOLCON 0 Gain constraint factor.
AIPS 1: ANTWT *all 0 Ant. weights (0=>1.0)
AIPS 1: GAINERR *all 0 Std. Dev. of antenna gains.
AIPS 1: WTUV 0.1 Weight outside full weight
AIPS 1: range in self-cal
AIPS 1: WEIGHTIT 0 Modify data weights function
AIPS 1: DOCALIB -1 Restart with previous SN
AIPS 1: = 2 calibrate weights
AIPS 1: GAINUSE 0 SN table to apply
AIPS 1: DOPOL -1 If >0 correct polarization.
AIPS 1: BLVER -1 BL table to apply.
AIPS 1: FLAGVER 0 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 -1 Bandpass table version
AIPS 1: DOTV -1 Display residuals on TV ?
AIPS 1: 0 -> no, 1 -> after each
AIPS 1: major cycle and each full
AIPS 1: Clean, -1 only after each
AIPS 1: full Clean. If you can, do
AIPS 1: at least -1.
AIPS 1: DOWEIGHT 1 Rescale weights by DOWEIGHT
AIPS 1: for editing display only
AIPS 1: DOTWO -1 True => do second observable
AIPS 1: plot of main baseline for
AIPS 1: display only
AIPS 1: BADDISK 1 2 Disks to avoid for scratch.
AIPS 1: 4 *rest 0
AIPS 1: BPARM *all 0 Subarray weight factors
AIPS 1: CPARM *all 0 Subarray ref. ant.
here is some of the output from the message file (this was done with no
boxes and no cleaning, just immediate selfcal):
AIPS 1 12:02:14 go
SCMAP1 12:02:14 Task SCMAP (release of 31DEC05) begins
SCMAP1 12:02:15 Create M83_SC .SCMAP . 2 (UV) on disk 3 cno 428
SCMAP1 12:02:16 Create M83_C98 .ICL001. 5 (MA) on disk 3 cno 429
SCMAP1 12:02:16 Create M83_C98 .IBM001. 5 (MA) on disk 3 cno 430
SCMAP1 12:02:21 SCUV2S: Copied 470997 visibilities to be imaged
SCMAP1 12:02:22 Copied AN file from vol/cno/vers 3 424 1 to 3 431
1
SCMAP1 12:02:22 ******* Beginning self-calibration loop 1 *****
SCMAP1 12:02:25 UVWAIT: begin finding uniform weights
SCMAP1 12:02:27 UVWAIT: Average grid weight 1.719E+05
SCMAP1 12:02:27 UVWAIT: Adding temperance S 3.439E+04
SCMAP1 12:02:27 UVWAIT: begin applying uniform or other weights
SCMAP1 12:02:29 UVWAIT: Sum of weights in 8.411E+08 and out 1.819E+09
SCMAP1 12:02:29 UVWAIT: Noise is increased by a factor 1.198 due to
weighting
SCMAP1 12:02:29 UVWAIT: Average summed weight 1.719E+05 over 931742
vis
SCMAP1 12:02:30 GRDFLT: X and Y convolution type = SPHEROIDAL
AIPS 1: ** press RETURN for more, enter Q or next line to quit print **
#
aragorn AIPS (31DEC05) 2 25-APR-2005 12:04:43 Page 10
task time messages for user 2
SCMAP1 12:02:30 GRDFLT: X and Y parms = 3.0000 1.0000
SCMAP1 12:02:30 GRDFLT: convolution function sampled every 1/100 of a cell
SCMAP1 12:02:31 GRDMEM: Ave 2 Channels; 4.885100E+09 to 4.835100E+09 Hz
SCMAP1 12:02:34 Field 1 Sum of gridding weights = 1.93062E+10
SCMAP1 12:02:34 Field 1 Beam min = -86.7 MilliJy, max = 1.0 Jy
SCMAP1 12:02:34 Field 1 fit FWHM = 3.544 x 3.034 arcsec, PA=
73.4
SCMAP1 12:02:34 CLBHIS: minimum component 0.500 of current peak
SCMAP1 12:02:43 Field 1 min = -965.1 MicroJy,max = 14.3 MilliJy
SCMAP1 12:02:46 Loading field 1 from -9.65E-04 to 1.43E-02 every 3
pixel
SCMAP1 12:02:50 Stop cleaning - done enough I guess!
SCMAP1 12:02:51 Checking image max/min
SCMAP1 12:02:51 Will reuse merged components brighter than 2.316
MilliJy
SCMAP1 12:02:51 RMS CLEAN residual = 231.641 MicroJy
SCMAP1 12:02:51 RMS CLEAN residual/flux = 231.641 Microratio
SCMAP1 12:02:53 Loading field 1 to TV from -9.65E-04 to 1.43E-02 every 3
pixel
SCMAP1 12:02:56 Self-cal continuing
SCMAP1 12:02:56 Determining new calibration from CLEAN model
SCMAP1 12:02:56 Copied CC file from vol/cno/vers 3 429 1 to 3 429
2
SCMAP1 12:02:56 Using 0 components with flux = 0.000 Jy
SCMAP1 12:02:56 Copied AN file from vol/cno/vers 3 424 1 to 3 428
1
SCMAP1 12:02:56 Divide data by model - first compute model by summing
SCMAP1 12:03:21 Self-cal uv range = 9.494E+04 to 9.499E+04 wavelengths
SCMAP1 12:03:21 NXTAVG: average interval set to 10.00 seconds
SCMAP1 12:03:22 ZABORS: signal 11 received
SCMAP1 12:03:22 ABORT!
AIPS 1 12:03:22 TASK QUIT WITHOUT RESUMING ME
AIPS 1 12:03:22 Begin check for any 'standard' scratch files
AIPS 1 12:03:22 Scratch files -- destroyed: 5 still active: 0
AIPS 1 12:03:22 Resumes
any ideas?
larry maddox
lam
More information about the Daip
mailing list