#-------------------------------------------------------------------- # NGC0925, Raster, Combining all "good" data - Nov 07 to Jan 08 runs #-------------------------------------------------------------------- ------------------------------------------------------------------------------- INITIAL REDUCTION USING NEAREST SPREAD: # Without observations that have bad pointings makecube in="a200*_flagspike.sdf" autogrid=true crota=348 pixsize=7.2761 sparse=false spread='nearest' specbounds=\"150.0 950.0\" out=ngc0925_pointingfix reset # Projection parameters used: # CRPIX1 = 40.0897959172726 # CRPIX2 = 30.0224489811808 # CRVAL1 = 36.8204166666667 ( RA = 2:27:16.9 ) # CRVAL2 = 33.5791666666667 ( Dec = 33:34:45 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 348 # # Output cube pixel bounds: ( -38:40, -28:30, -942:941 ) # Output cube WCS bounds: # Right ascension: 2:26:50.9 -> 2:27:43.0 # Declination: 33:30:15 -> 33:39:14 # Optical velocity (USB): 149.8707 -> 950.3145 km/s # # WARNING: Tsys conversion factor has changed from 3.09859847251323e-06 to # 3.09896025366861e-06 (0.0116756384730756 %) in file a20080111_00010_flagspike mfittrend ngc0925_pointingfix ranges=\"150 475 625 950\" order=3 axis=3 out=ngc0925_pointingfix_base sub ngc0925_pointingfix ngc0925_pointingfix_base ngc0925_pointingfix_sub compave ngc0925_pointingfix_sub ngc0925_pointingfix_sub_20kms compress="[1,1,47]" stats 'ngc0925_pointingfix_sub_20kms(~25,~25,:)' | grep Standard # Standard deviation : 0.017541 stats 'ngc0925_pointingfix_sub_20kms(~25,~25,150.0:475.0)' | grep Standard # Standard deviation : 0.0168201 stats 'ngc0925_pointingfix_sub_20kms(~25,~25,625.0:950.0)' | grep Standard # Standard deviation : 0.0152212 ------------------------------------------------------------------------------- NOW SINCSINC makecube in="a*" autogrid=true crota=348 pixsize=7.2761 sparse=false spread='sincsinc' params='[1,2]' specbounds=\"150.0 950.0\" out=ngc0925_sincsinc reset # Projection parameters used: # CRPIX1 = 40.0897959172726 # CRPIX2 = 30.0224489811808 # CRVAL1 = 36.8204166666667 ( RA = 2:27:16.9 ) # CRVAL2 = 33.5791666666667 ( Dec = 33:34:45 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 348 # # Output cube pixel bounds: ( -38:40, -28:30, -942:941 ) # Output cube WCS bounds: # Right ascension: 2:26:50.9 -> 2:27:43.0 # Declination: 33:30:15 -> 33:39:14 # Optical velocity (USB): 149.8707 -> 950.3145 km/s # # WARNING: Tsys conversion factor has changed from 3.09859847251323e-06 to # 3.09896025366861e-06 (0.0116756384730756 %) in file a20080111_00010_flagspike # # WARNING: Cannot create output Tsys values. chpix in=ngc0925_sincsinc out=ngc0925_sincsinc_spikebad_temp section=\":,:,-474:-487\" newval=bad chpix in=ngc0925_sincsinc_spikebad_temp.sdf out=ngc0925_sincsinc_spikebad section=\":,:,-451:-437\" newval=bad ndfcopy in=ngc0925_sincsinc_spikebad'(-21:25,-13:14,)' out=ngc0925_sincsinc_trim mfittrend ngc0925_sincsinc_trim ranges=\"150 475 625 950\" order=3 axis=3 out=ngc0925_sincsinc_trim_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 150.2944 : 474.8019 km/s (-942 : -177) # 624.7789 : 949.8885 km/s (176 : 940) sub ngc0925_sincsinc_trim ngc0925_sincsinc_trim_base3 ngc0925_sincsinc_trim_sub3 compave ngc0925_sincsinc_trim_sub3 ngc0925_sincsinc_trim_sub3_20kms compress="[1,1,47]" stats 'ngc0925_sincsinc_trim_sub3_20kms(~25,~25,:)' | grep Standard # Standard deviation : 0.0159842 stats 'ngc0925_sincsinc_trim_sub3_20kms(~25,~25,150.0:475.0)' | grep Standard # Standard deviation : 0.0153643 stats 'ngc0925_sincsinc_trim_sub3_20kms(~25,~25,625.0:950.0)' | grep Standard # Standard deviation : 0.0136725 ------------------------------------------------------------------------------------- BASELINE MASK PRODUCTION: # First produce a smoothed cube to identify the line and make masks with mfittrend block in=ngc0925_sincsinc_trim out=ngc0925_sincsinc_trim_vsmooth 'axes=[1,3] box=[1,25]' block in=ngc0925_sincsinc_trim_vsmooth out=ngc0925_sincsinc_trim_smooth 'axes=[1,2] box=[3,3]' mfittrend in=ngc0925_sincsinc_trim_smooth axis=3 order=3 out=ngc0925_sincsinc_trim_smooth_base3 auto mask=ngc0925_sincsinc_trim_smooth_basemsk3 method=single variance=false subtract=false 'clip=[2,3]' mfittrend in=ngc0925_sincsinc_trim_smooth axis=3 order=3 out=ngc0925_sincsinc_trim_smooth_base3g auto mask=ngc0925_sincsinc_trim_smooth_basemsk3g method=global variance=false subtract=false 'clip=[2,2.5,3]' add ngc0925_sincsinc_trim_smooth_basemsk3 ngc0925_sincsinc_trim_smooth_basemsk3g ngc0925_trim_basemask0 chpix in=ngc0925_trim_basemask0 out=ngc0925_trim_basemask0_end1 section=\":,:,-943:-177\" newval=0 chpix in=ngc0925_trim_basemask0_end1 out=ngc0925_trim_basemask0_end2 section=\":,:,176:941\" newval=0 cadd ngc0925_trim_basemask0_end2 1 ngc0925_trim_basemask1 mult ngc0925_sincsinc_trim ngc0925_trim_basemask1 ngc0925_sincsinc_trim_masked mfittrend ngc0925_sincsinc_trim_masked ranges=\"150 950\" order=3 axis=3 out=ngc0925_sincsinc_trim_masked_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 150.2944 : 949.8885 km/s (-942 : 940) sub ngc0925_sincsinc_trim ngc0925_sincsinc_trim_masked_base3 ngc0925_sincsinc_trim_submask3 compave ngc0925_sincsinc_trim_submask3 ngc0925_sincsinc_trim_submask3_20kms compress="[1,1,47]" stats 'ngc0925_sincsinc_trim_submask3_20kms(~25,~25,:)' | grep Standard # Standard deviation : 0.0153811 stats 'ngc0925_sincsinc_trim_submask3_20kms(~25,~25,150.0:475.0)' | grep Standard # Standard deviation : 0.0158511 stats 'ngc0925_sincsinc_trim_submask3_20kms(~25,~25,625.0:950.0)' | grep Standard # Standard deviation : 0.014138 ------------------------------------------------------------------------------- CREATE MOMENT MAPS: mkdir Moment_sincsinc cp ngc0925_sincsinc_trim_submask3.sdf Moment_sincsinc/ngc0925_sincsinc_trim_submask3_rembsl.sdf cp ngc0925_trim_basemask1.sdf Moment_sincsinc/ngc0925_sincsinc_trim_submask3_msk.sdf cp ../NGC29/Moment_sincsinc/REDUCE_SCIENCE_GRADIENT Moment_sincsinc/ cd Moment_sincsinc *Edit RSG Script: emacs REDUCE_SCIENCE_GRADIENT & set object = "ngc0925_sincsinc_trim_submask3" set vrange = "low=475 high=625" # Quick jumps to repeat parts of the reduction #goto STEP1a #goto STEP1b #goto STEP2 goto STEP3 foreach rmslev (2.0 2.5 3.0 3.5 4.0 4.5 5.0) **Remove trim function: # Multiply baselined cube with clump mask ${kap}/mult ${sdf} ${sdf}_findclump${rmslab} ${sdf}_clmsk${rmslab} # Trim the noisy edges # ${kap}/ndfcopy temp'(-26:26,-36:40,)' ${sdf}_clmsk${rmslab} \rm -f ${sdf}_mask_temp1.sdf ${sdf}_mask_temp2.sdf >& /dev/null ./REDUCE_SCIENCE_GRADIENT # RMS MASKED SMOOTHED CUBE(-12:16,-7:8,-884:883): 0.00821716462505541 # FINDCLUMP: Tlow = 4.5*RMS; (see findclumps_ngc0925_sincsinc_trim_submask3.in45 for complete parameter list) # ClumpFind: # No usable clumps found. # 16 clumps rejected because they contain fewer than MinPix (50) pixels. Rotate intvel maps: rotate ngc0925_sincsinc_trim_submask3_intvel20 ngc0925_sincsinc_trim_submask3_intvel20_rot angle=! rotate ngc0925_sincsinc_trim_submask3_intvel25 ngc0925_sincsinc_trim_submask3_intvel25_rot angle=! rotate ngc0925_sincsinc_trim_submask3_intvel30 ngc0925_sincsinc_trim_submask3_intvel30_rot angle=! rotate ngc0925_sincsinc_trim_submask3_intvel35 ngc0925_sincsinc_trim_submask3_intvel35_rot angle=! rotate ngc0925_sincsinc_trim_submask3_intvel40 ngc0925_sincsinc_trim_submask3_intvel40_rot angle=! (contoured totint maps and velocity maps then made using gaia) ------------------------------------------------------------------------------- MAKE CUBES DISPLAYING S/N RATIO: collapse in=ngc0925_sincsinc_trim_submask3.sdf low=150 high=475 axis=vopt out=sigma_low estimator=sigma reset collapse in=ngc0925_sincsinc_trim_submask3.sdf low=625 high=950 axis=vopt out=sigma_high estimator=sigma reset block ngc0925_sincsinc_trim_submask3_20kms.sdf ngc0925_sincsinc_trim_submask3_20kms_bin5.sdf axes="[2,3]" box="[1,5]" estimator=mean block ngc0925_sincsinc_trim_submask3_20kms.sdf ngc0925_sincsinc_trim_submask3_20kms_bin9.sdf axes="[2,3]" box="[1,9]" estimator=mean manic in=sigma_low out=sigma_low_3d axes="[1,2,0]" lbound=-19 ubound=40 reset wcscopy ndf=sigma_low_3d like=ngc0925_sincsinc_trim_submask3_20kms_bin5.sdf confirm=false reset cdiv sigma_low_3d 6.85565 sigma_low_20kms div ngc0925_sincsinc_trim_submask3_20kms_bin5.sdf sigma_low_20kms.sdf ngc0925_sincsinc_trim_submask3_20kms_bin5_SN.sdf div ngc0925_sincsinc_trim_submask3_20kms_bin9.sdf sigma_low_20kms.sdf ngc0925_sincsinc_trim_submask3_20kms_bin9_SN.sdf ------------------------------------------------------------------------------- MAKE TOTINT20 NOISE and SN MAPS: mkdir noise_maps cd noise_maps cp ../sigma_high.sdf . cp ../sigma_low.sdf . cp ../Moment_sincsinc/ngc0925_sincsinc_trim_submask3_rembsl_findclump20.sdf . cp ../Moment_sincsinc/ngc0925_sincsinc_trim_submask3_totint20.sdf . add sigma_high sigma_low out=sigma_sum cdiv sigma_sum.sdf 2 sigma_avg collapse in= ngc0925_sincsinc_trim_submask3_rembsl_findclump20.sdf out=test0 axis=vopt estimator=sum wlim=0.0 (must make mask to multiply by collapsed image so values are real, not integer, otherwise sqrt function below will round to nearest integer) cmult sigma_avg 0 test1 cadd test1 1.0 test2 mult test2 test0 test3 (now have same collapsed image with real, not integer values) maths exp="sqrt(IA)" out=test4 IA=test3 cmult test4 0.42 test5 mult sigma_avg test5 ngc0925_totint20_noise div ngc0925_sincsinc_trim_submask3_totint20.sdf ngc0925_totint20_noise ngc0925_totint20_SN (contoured SN maps then made using gaia) ------------------------------------------------------------------------------- TRIM OUT NOISE FROM TOTINT20 MAP: *Try trimming regions with SN < 2.0: thresh ngc0925_totint20_SN.sdf thrlo=2 newlo=bad thrhi=500 newhi=bad out=ngc0925_totint20_SN_thresh2 # There were 311 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc0925_totint20_SN_thresh2.sdf 0 ngc0925_zeroall_2 cadd ngc0925_zeroall_2 1 ngc0925_msk_2 mult ngc0925_msk_2.sdf ngc0925_sincsinc_trim_submask3_totint20.sdf ngc0925_totint20_noisetrim2 *Try trimming regions with SN < 1.5: thresh ngc0925_totint20_SN.sdf thrlo=1.5 newlo=bad thrhi=500 newhi=bad out=ngc0925_totint20_SN_thresh15 # There were 273 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc0925_totint20_SN_thresh15.sdf 0 ngc0925_zeroall_15 cadd ngc0925_zeroall_15.sdf 1 ngc0925_msk_15 mult ngc0925_msk_15.sdf ngc0925_sincsinc_trim_submask3_totint20.sdf ngc0925_totint20_noisetrim_15 ------------------------------------------------------------------------------- MAKE TOTINT30 NOISE and SN MAPS: cp ../Moment_sincsinc/ngc0925_sincsinc_trim_submask3_rembsl_findclump30.sdf . cp ../Moment_sincsinc/ngc0925_sincsinc_trim_submask3_totint30.sdf . collapse in= ngc0925_sincsinc_trim_submask3_rembsl_findclump30.sdf out=test6 axis=vopt estimator=sum wlim=0.0 mult test2 test6 test7 maths exp="sqrt(IA)" out=test8 IA=test7 cmult test8 0.42 test9 mult sigma_avg test9 ngc0925_totint30_noise div ngc0925_sincsinc_trim_submask3_totint30.sdf ngc0925_totint30_noise ngc0925_totint30_SN (contoured SN maps then made using gaia)