#-------------------------------------------------------- # NGC4254, Raster, Combining all data - Both Feb 08 runs #-------------------------------------------------------- ------------------------------------------------------------------------------- INITIAL REDUCTION USING NEAREST SPREAD: # Full cube for observations on 20080214, 20080228, and 20080427 makecube in="a2008*_flagspike.sdf" autogrid=true crota=0 pixsize=7.2761 sparse=false spread='nearest' specbounds=\"2010.0 2830.0\" out=ngc4254_combined reset # Projection parameters used: # CRPIX1 = 25.8877550959587 # CRPIX2 = 27 # CRVAL1 = 184.706666666667 ( RA = 12:18:49.6 ) # CRVAL2 = 14.4163888888889 ( Dec = 14:24:59 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 0 # # Output cube pixel bounds: ( -24:26, -25:28, -954:952 ) # Output cube WCS bounds: # Right ascension: 12:18:36.8 -> 12:19:02.3 # Declination: 14:21:46 -> 14:28:19 # Optical velocity (USB): 2009.668 -> 2830.072 km/s # # WARNING: Tsys conversion factor has changed from 3.09807816355576e-06 to # 3.0982113967652e-06 (0.00430051155608609 %) in file a20080228_00035_flagspike mfittrend ngc4254_combined ranges=\"2010 2270 2560 2830\" order=3 axis=3 out=ngc4254_combined_base3 sub ngc4254_combined ngc4254_combined_base3 ngc4254_combined_sub3 compave ngc4254_combined_sub3 ngc4254_combined_sub3_20kms compress="[1,1,47]" stats 'ngc4254_combined_sub3_20kms(~21,~21,:)' | grep Standard # Standard deviation : 0.0250659 stats 'ngc4254_combined_sub3_20kms(~21,~21,2010.0:2270.0)' | grep Standard # Standard deviation : 0.0177403 stats 'ngc4254_combined_sub3_20kms(~21,~21,2560.0:2830.0)' | grep Standard # Standard deviation : 0.0150037 # Target reached. ------------------------------------------------------------------------------- NOW SINCSINC: makecube in="a*" autogrid=true crota=0 pixsize=7.2761 sparse=false spread='sincsinc' params='[1,2]' specbounds=\"2010.0 2830.0\" out=ngc4254_sincsinc reset # Projection parameters used: # CRPIX1 = 25.8877550959587 # CRPIX2 = 27 # CRVAL1 = 184.706666666667 ( RA = 12:18:49.6 ) # CRVAL2 = 14.4163888888889 ( Dec = 14:24:59 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 0 # # Output cube pixel bounds: ( -24:26, -25:28, -954:952 ) # Output cube WCS bounds: # Right ascension: 12:18:36.8 -> 12:19:02.3 # Declination: 14:21:46 -> 14:28:19 # Optical velocity (USB): 2009.668 -> 2830.072 km/s # # # # WARNING: Tsys conversion factor has changed from 3.09807816355576e-06 to # 3.0982113967652e-06 (0.00430051155608609 %) in file a20080228_00035_flagspike # # WARNING: Cannot create output Tsys values. chpix in=ngc4254_sincsinc.sdf out=ngc4254_sincsinc_spikebad section=\":,:,-445:-433\" newval=bad ndfcopy in=ngc4254_sincsinc_spikebad'(-15:23,-12:19,)' out=ngc4254_sincsinc_trim mfittrend ngc4254_sincsinc_trim ranges=\"2010 2270 2560 2830\" order=3 axis=3 out=ngc4254_sincsinc_trim_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 2010.097 : 2269.891 km/s (-954 : -349) # 2559.841 : 2829.641 km/s (325 : 951) sub ngc4254_sincsinc_trim ngc4254_sincsinc_trim_base3 ngc4254_sincsinc_trim_sub3 compave ngc4254_sincsinc_trim_sub3 ngc4254_sincsinc_trim_sub3_20kms compress="[1,1,47]" stats 'ngc4254_sincsinc_trim_sub3_20kms(~21,~21,:)' | grep Standard # Standard deviation : 0.0222596 stats 'ngc4254_sincsinc_trim_sub3_20kms(~21,~21,2010.0:2270.0)' | grep Standard # Standard deviation : 0.0153445 stats 'ngc4254_sincsinc_trim_sub3_20kms(~21,~21,2560.0:2830.0)' | grep Standard # Standard deviation : 0.0127626 ------------------------------------------------------------------------------- BASELINE MASK PRODUCTION: # First produce a smoothed cube to identify the line and make masks with mfittrend block in=ngc4254_sincsinc_trim out=ngc4254_sincsinc_trim_vsmooth 'axes=[1,3] box=[1,25]' block in=ngc4254_sincsinc_trim_vsmooth out=ngc4254_sincsinc_trim_smooth 'axes=[1,2] box=[3,3]' mfittrend in=ngc4254_sincsinc_trim_smooth axis=3 order=3 out=ngc4254_sincsinc_trim_smooth_base3 auto mask=ngc4254_sincsinc_trim_smooth_basemsk3 method=single variance=false subtract=false 'clip=[2,3]' mfittrend in=ngc4254_sincsinc_trim_smooth axis=3 order=3 out=ngc4254_sincsinc_trim_smooth_base3g auto mask=ngc4254_sincsinc_trim_smooth_basemsk3g method=global variance=false subtract=false 'clip=[2,2.5,3]' add ngc4254_sincsinc_trim_smooth_basemsk3 ngc4254_sincsinc_trim_smooth_basemsk3g ngc4254_trim_basemask0 chpix in=ngc4254_trim_basemask0 out=ngc4254_trim_basemask0_end1 section=\":,:,-954:-349\" newval=0 chpix in=ngc4254_trim_basemask0_end1 out=ngc4254_trim_basemask0_end2 section=\":,:,325:951\" newval=0 cadd ngc4254_trim_basemask0_end2 1 ngc4254_trim_basemask1 mult ngc4254_sincsinc_trim ngc4254_trim_basemask1 ngc4254_sincsinc_trim_masked mfittrend ngc4254_sincsinc_trim_masked ranges=\"2010 2830\" order=3 axis=3 out=ngc4254_sincsinc_trim_masked_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 2010.097 : 2829.641 km/s (-954 : 951) sub ngc4254_sincsinc_trim ngc4254_sincsinc_trim_masked_base3 ngc4254_sincsinc_trim_submask3 compave ngc4254_sincsinc_trim_submask3 ngc4254_sincsinc_trim_submask3_20kms compress="[1,1,47]" stats 'ngc4254_sincsinc_trim_submask3_20kms(~21,~21,:)' | grep Standard # Standard deviation : 0.0207599 stats 'ngc4254_sincsinc_trim_submask3_20kms(~21,~21,2010.0:2270.0)' | grep Standard # Standard deviation : 0.0159396 stats 'ngc4254_sincsinc_trim_submask3_20kms(~21,~21,2560.0:2830.0)' | grep Standard # Standard deviation : 0.0135018 ------------------------------------------------------------------------------- CREATE MOMENT MAPS: mkdir Moment_sincsinc cp ngc4254_sincsinc_trim_submask3.sdf Moment_sincsinc/ngc4254_sincsinc_trim_submask3_rembsl.sdf cp ngc4254_trim_basemask1.sdf Moment_sincsinc/ngc4254_sincsinc_trim_submask3_msk.sdf cp ../../NGC3351/Moment_sincsinc/REDUCE_SCIENCE_GRADIENT Moment_sincsinc cd Moment_sincsinc *Edit RSG Script: emacs REDUCE_SCIENCE_GRADIENT & set object = "ngc4254_sincsinc_trim_submask3" set vrange = "low=2270 high=2560" # 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) # 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(-8:16,-6:13,-896:894): 0.00882472763010709 Rotate intvel maps: rotate ngc4254_sincsinc_trim_submask3_intvel20 ngc4254_sincsinc_trim_submask3_intvel20_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel25 ngc4254_sincsinc_trim_submask3_intvel25_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel30 ngc4254_sincsinc_trim_submask3_intvel30_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel35 ngc4254_sincsinc_trim_submask3_intvel35_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel40 ngc4254_sincsinc_trim_submask3_intvel40_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel45 ngc4254_sincsinc_trim_submask3_intvel45_rot angle=! rotate ngc4254_sincsinc_trim_submask3_intvel50 ngc4254_sincsinc_trim_submask3_intvel50_rot angle=! (contoured totint maps and velocity maps then made using gaia) ------------------------------------------------------------------------------- MAKE CUBES DISPLAYING S/N RATIO: collapse in=ngc4254_sincsinc_trim_submask3.sdf low=2010 high=2270 axis=vopt out=sigma_low estimator=sigma reset collapse in=ngc4254_sincsinc_trim_submask3.sdf low=2560 high=2830 axis=vopt out=sigma_high estimator=sigma reset block ngc4254_sincsinc_trim_submask3_20kms.sdf ngc4254_sincsinc_trim_submask3_20kms_bin5.sdf axes="[2,3]" box="[1,5]" estimator=mean block ngc4254_sincsinc_trim_submask3_20kms.sdf ngc4254_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=ngc4254_sincsinc_trim_submask3_20kms_bin5.sdf confirm=false reset cdiv sigma_low_3d 6.85565 sigma_low_20kms div ngc4254_sincsinc_trim_submask3_20kms_bin5.sdf sigma_low_20kms.sdf ngc4254_sincsinc_trim_submask3_20kms_bin5_SN.sdf div ngc4254_sincsinc_trim_submask3_20kms_bin9.sdf sigma_low_20kms.sdf ngc4254_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/ngc4254_sincsinc_trim_submask3_rembsl_findclump20.sdf . cp ../Moment_sincsinc/ngc4254_sincsinc_trim_submask3_totint20.sdf . add sigma_high sigma_low out=sigma_sum cdiv sigma_sum.sdf 2 sigma_avg collapse in= ngc4254_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 ngc4254_totint20_noise div ngc4254_sincsinc_trim_submask3_totint20.sdf ngc4254_totint20_noise ngc4254_totint20_SN (contoured SN maps then made using gaia) ------------------------------------------------------------------------------- TRIM OUT NOISE FROM TOTINT20 MAP: *Try trimming regions with SN < 2.0: thresh ngc4254_totint20_SN.sdf thrlo=2 newlo=bad thrhi=500 newhi=bad out=ngc4254_totint20_SN_thresh2 # There were 583 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc4254_totint20_SN_thresh2.sdf 0 ngc4254_zeroall_2 cadd ngc4254_zeroall_2 1 ngc4254_msk_2 mult ngc4254_msk_2.sdf ngc4254_sincsinc_trim_submask3_totint20.sdf ngc4254_totint20_noisetrim2 *Try trimming regions with SN < 1.5: thresh ngc4254_totint20_SN.sdf thrlo=1.5 newlo=bad thrhi=500 newhi=bad out=ngc4254_totint20_SN_thresh15 # There were 495 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc4254_totint20_SN_thresh15.sdf 0 ngc4254_zeroall_15 cadd ngc4254_zeroall_15.sdf 1 ngc4254_msk_15 mult ngc4254_msk_15.sdf ngc4254_sincsinc_trim_submask3_totint20.sdf ngc4254_totint20_noisetrim_15 ------------------------------------------------------------------------------- MAKE TOTINT30 NOISE and SN MAPS: cp ../Moment_sincsinc/ngc4254_sincsinc_trim_submask3_rembsl_findclump30.sdf . cp ../Moment_sincsinc/ngc4254_sincsinc_trim_submask3_totint30.sdf . collapse in= ngc4254_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 ngc4254_totint30_noise div ngc4254_sincsinc_trim_submask3_totint30.sdf ngc4254_totint30_noise ngc4254_totint30_SN (contoured noisetrimmed maps then made using gaia)