#------------------------------------------------------ # NGC4631, Raster, Nights 1 and 2, January 2008 run #------------------------------------------------------ ------------------------------------------------------------------------------- INITIAL REDUCTION USING NEAREST SPREAD: # Full cube for observations on 20080105 + 20080106 makecube in="a2008010*_flagspike.sdf" autogrid=true crota=4 pixsize=7.2761 sparse=false spread='nearest' specbounds=\"240.0 1050.0\" out=ngc4631_combined reset # Projection parameters used: # CRPIX1 = 46.381632655859 # CRPIX2 = 21.8877550959587 # CRVAL1 = 190.533333333333 ( RA = 12:42:08.0 ) # CRVAL2 = 32.5413888888889 ( Dec = 32:32:29 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 4 # # Output cube pixel bounds: ( -45:46, -20:22, -953:952 ) # Output cube WCS bounds: # Right ascension: 12:41:41.2 -> 12:42:35.8 # Declination: 32:29:31 -> 32:35:29 # Optical velocity (USB): 239.8156 -> 1050.206 km/s mfittrend ngc4631_combined ranges=\"240 430 810 1050\" order=3 axis=3 out=ngc4631_combined_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 240.2397 : 429.9029 km/s (-953 : -506) # 809.9496 : 1049.78 km/s (388 : 951) sub ngc4631_combined ngc4631_combined_base3 ngc4631_combined_sub3 compave ngc4631_combined_sub3 ngc4631_combined_sub3_20kms compress="[1,1,47]" stats 'ngc4631_combined_sub3_20kms(~17,~17,:)' | grep Standard # Standard deviation : 0.0298919 stats 'ngc4631_combined_sub3_20kms(~17,~17,240.0:430.0)' | grep Standard # Standard deviation : 0.014643 stats 'ngc4631_combined_sub3_20kms(~17,~17,810.0:1050.0)' | grep Standard # Standard deviation : 0.0126726 # Well past our target depth. Source is strong in the cube. ------------------------------------------------------------------------------- NOW SINCSINC: makecube in="a*" autogrid=true crota=4 pixsize=7.2761 sparse=false spread='sincsinc' params='[1,2]' specbounds=\"240.0 1050.0\" out=ngc4631_sincsinc reset # Projection parameters used: # CRPIX1 = 46.381632655859 # CRPIX2 = 21.8877550959587 # CRVAL1 = 190.533333333333 ( RA = 12:42:08.0 ) # CRVAL2 = 32.5413888888889 ( Dec = 32:32:29 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 4 # # Output cube pixel bounds: ( -45:46, -20:22, -953:952 ) # Output cube WCS bounds: # Right ascension: 12:41:41.2 -> 12:42:35.8 # Declination: 32:29:31 -> 32:35:29 # Optical velocity (USB): 239.8156 -> 1050.206 km/s # # # WARNING: Cannot create output Tsys values. chpix in=ngc4631_sincsinc out=ngc4631_sincsinc_spikebad section=\":,:,-438:-426\" newval=bad ndfcopy in=ngc4631_sincsinc_spikebad'(-35:41,-6:10,)' out=ngc4631_sincsinc_trim mfittrend ngc4631_sincsinc_trim ranges=\"240 430 810 1050\" order=3 axis=3 out=ngc4631_sincsinc_trim_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 240.2397 : 429.9029 km/s (-953 : -506) # 809.9496 : 1049.78 km/s (388 : 951) sub ngc4631_sincsinc_trim ngc4631_sincsinc_trim_base3 ngc4631_sincsinc_trim_sub3 compave ngc4631_sincsinc_trim_sub3 ngc4631_sincsinc_trim_sub3_20kms compress="[1,1,47]" stats 'ngc4631_sincsinc_trim_sub3_20kms(~17,~17,:)' | grep Standard # Standard deviation : 0.0277012 stats 'ngc4631_sincsinc_trim_sub3_20kms(~17,~17,240.0:430.0)' | grep Standard # Standard deviation : 0.0121602 stats 'ngc4631_sincsinc_trim_sub3_20kms(~17,~17,810.0:1050.0)' | grep Standard # Standard deviation : 0.0101481 ------------------------------------------------------------------------------- BASELINE MASK PRODUCTION: # First produce a smoothed cube to identify the line and make masks with mfittrend block in=ngc4631_sincsinc_trim out=ngc4631_sincsinc_trim_vsmooth 'axes=[1,3] box=[1,25]' block in=ngc4631_sincsinc_trim_vsmooth out=ngc4631_sincsinc_trim_smooth 'axes=[1,2] box=[3,3]' mfittrend in=ngc4631_sincsinc_trim_smooth axis=3 order=3 out=ngc4631_sincsinc_trim_smooth_base3 auto mask=ngc4631_sincsinc_trim_smooth_basemsk3 method=single variance=false subtract=false 'clip=[2,3]' mfittrend in=ngc4631_sincsinc_trim_smooth axis=3 order=3 out=ngc4631_sincsinc_trim_smooth_base3g auto mask=ngc4631_sincsinc_trim_smooth_basemsk3g method=global variance=false subtract=false 'clip=[2,2.5,3]' add ngc4631_sincsinc_trim_smooth_basemsk3 ngc4631_sincsinc_trim_smooth_basemsk3g ngc4631_trim_basemask0 chpix in=ngc4631_trim_basemask0 out=ngc4631_trim_basemask0_end1 section=\":,:,-954:-506\" newval=0 chpix in=ngc4631_trim_basemask0_end1 out=ngc4631_trim_basemask0_end2 section=\":,:,388:952\" newval=0 cadd ngc4631_trim_basemask0_end2 1 ngc4631_trim_basemask1 mult ngc4631_sincsinc_trim ngc4631_trim_basemask1 ngc4631_sincsinc_trim_masked mfittrend ngc4631_sincsinc_trim_masked ranges=\"240 1050\" order=3 axis=3 out=ngc4631_sincsinc_trim_masked_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # 240.2397 : 1049.78 km/s (-953 : 951) sub ngc4631_sincsinc_trim ngc4631_sincsinc_trim_masked_base3 ngc4631_sincsinc_trim_submask3 compave ngc4631_sincsinc_trim_submask3 ngc4631_sincsinc_trim_submask3_20kms compress="[1,1,47]" stats 'ngc4631_sincsinc_trim_submask3_20kms(~17,~17,:)' | grep Standard # Standard deviation : 0.0262337 stats 'ngc4631_sincsinc_trim_submask3_20kms(~17,~17,240.0:430.0)' | grep Standard # Standard deviation : 0.0128385 stats 'ngc4631_sincsinc_trim_submask3_20kms(~17,~17,810.0:1050.0)' | grep Standard # Standard deviation : 0.0108901 ------------------------------------------------------------------------------- CREATE MOMENT MAPS: mkdir Moment_sincsinc cp ngc4631_sincsinc_trim_submask3.sdf Moment_sincsinc/ngc4631_sincsinc_trim_submask3_rembsl.sdf cp ngc4631_trim_basemask1.sdf Moment_sincsinc/ngc4631_sincsinc_trim_submask3_msk.sdf cp ../NGC3031/Moment_sincsinc/REDUCE_SCIENCE_GRADIENT Moment_sincsinc/ cd Moment_sincsinc *Edit RSG Script: emacs REDUCE_SCIENCE_GRADIENT & set object = "ngc4631_sincsinc_trim_submask3" set vrange = "low=430 high=810" # 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(-21:27,-2:6,-895:894): 0.00669646266519664 ROTATE intvel MAPS: rotate ngc4631_sincsinc_trim_submask3_intvel20 ngc4631_sincsinc_trim_submask3_intvel20_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel25 ngc4631_sincsinc_trim_submask3_intvel25_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel30 ngc4631_sincsinc_trim_submask3_intvel30_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel35 ngc4631_sincsinc_trim_submask3_intvel35_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel40 ngc4631_sincsinc_trim_submask3_intvel40_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel45 ngc4631_sincsinc_trim_submask3_intvel45_rot angle=! rotate ngc4631_sincsinc_trim_submask3_intvel50 ngc4631_sincsinc_trim_submask3_intvel50_rot angle=! (contoured totint maps and velocity maps then made using gaia) ------------------------------------------------------------------------------- MAKE CUBES DISPLAYING S/N RATIO: collapse in=ngc4631_sincsinc_trim_submask3.sdf low=240 high=430 axis=vopt out=sigma_low estimator=sigma reset collapse in=ngc4631_sincsinc_trim_submask3.sdf low=810 high=1050 axis=vopt out=sigma_high estimator=sigma reset block ngc4631_sincsinc_trim_submask3_20kms.sdf ngc4631_sincsinc_trim_submask3_20kms_bin5.sdf axes="[2,3]" box="[1,5]" estimator=mean block ngc4631_sincsinc_trim_submask3_20kms.sdf ngc4631_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=ngc4631_sincsinc_trim_submask3_20kms_bin5.sdf confirm=false reset cdiv sigma_low_3d 6.85565 sigma_low_20kms div ngc4631_sincsinc_trim_submask3_20kms_bin5.sdf sigma_low_20kms.sdf ngc4631_sincsinc_trim_submask3_20kms_bin5_SN.sdf div ngc4631_sincsinc_trim_submask3_20kms_bin9.sdf sigma_low_20kms.sdf ngc4631_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/ngc4631_sincsinc_trim_submask3_rembsl_findclump20.sdf . cp ../Moment_sincsinc/ngc4631_sincsinc_trim_submask3_totint20.sdf . add sigma_high sigma_low out=sigma_sum cdiv sigma_sum.sdf 2 sigma_avg collapse in= ngc4631_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 ngc4631_totint20_noise div ngc4631_sincsinc_trim_submask3_totint20.sdf ngc4631_totint20_noise ngc4631_totint20_SN (contoured SN maps then made using gaia) ------------------------------------------------------------------------------- TRIM OUT NOISE FROM TOTINT20 MAP: *Try trimming regions with SN < 2.0: thresh ngc4631_totint20_SN.sdf thrlo=2 newlo=bad thrhi=500 newhi=bad out=ngc4631_totint20_SN_thresh2 # There were 654 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc4631_totint20_SN_thresh2.sdf 0 ngc4631_zeroall_2 cadd ngc4631_zeroall_2 1 ngc4631_msk_2 mult ngc4631_msk_2.sdf ngc4631_sincsinc_trim_submask3_totint20.sdf ngc4631_totint20_noisetrim2 *Try trimming regions with SN < 1.5: thresh ngc4631_totint20_SN.sdf thrlo=1.5 newlo=bad thrhi=500 newhi=bad out=ngc4631_totint20_SN_thresh15 # There were 570 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc4631_totint20_SN_thresh15.sdf 0 ngc4631_zeroall_15 cadd ngc4631_zeroall_15.sdf 1 ngc4631_msk_15 mult ngc4631_msk_15.sdf ngc4631_sincsinc_trim_submask3_totint20.sdf ngc4631_totint20_noisetrim_15 ------------------------------------------------------------------------------- MAKE TOTINT30 NOISE and SN MAPS: cp ../Moment_sincsinc/ngc4631_sincsinc_trim_submask3_rembsl_findclump30.sdf . cp ../Moment_sincsinc/ngc4631_sincsinc_trim_submask3_totint30.sdf . collapse in= ngc4631_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 ngc4631_totint30_noise div ngc4631_sincsinc_trim_submask3_totint30.sdf ngc4631_totint30_noise ngc4631_totint30_SN (contoured SN maps then made using gaia)