#-------------------------------------------------------- # NGC3031, Raster, Combining all data - Both Feb 08 runs #-------------------------------------------------------- ------------------------------------------------------------------------------- INITIAL REDUCTION USING NEAREST SPREAD: # Full cube for observations on 20080212, 20080213, and 20080228 makecube in="a2008*_flagspike.sdf" autogrid=true crota=23 pixsize=7.2761 sparse=false spread='nearest' specbounds=\"-445.0 360.0\" out=ngc3031_combined reset # Projection parameters used: # CRPIX1 = 40.1346938759089 # CRPIX2 = 63.0224489811808 # CRVAL1 = 148.888333333333 ( RA = 9:55:33.2 ) # CRVAL2 = 69.0652777777778 ( Dec = 69:03:55 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 23 # # Output cube pixel bounds: ( -38:40, -61:63, -952:950 ) # Output cube WCS bounds: # Right ascension: 9:54:10.5 -> 9:56:55.6 # Declination: 68:55:04 -> 69:12:46 # Optical velocity (USB): -445.0473 -> 360.2858 km/s # # WARNING: Tsys conversion factor has changed from 3.09857308753382e-06 to # 3.09866193678148e-06 (0.0028674246225628 %) in file a20080228_00028_flagspike mfittrend ngc3031_combined ranges=\"-445 -280 185 360\" order=1 axis=3 out=ngc3031_combined_base1 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # -444.6253 : -280.355 km/s (-952 : -563) # 184.716 : 359.8615 km/s (536 : 949) sub ngc3031_combined ngc3031_combined_base1 ngc3031_combined_sub1 compave ngc3031_combined_sub1 ngc3031_combined_sub1_20kms compress="[1,1,47]" stats 'ngc3031_combined_sub1_20kms(~35,~35,:)' | grep Standard # Standard deviation : 0.0185988 stats 'ngc3031_combined_sub1_20kms(~35,~35,-445.0:-280.0)' | grep Standard # Standard deviation : 0.019386 stats 'ngc3031_combined_sub1_20kms(~35,~35,185.0:360.0)' | grep Standard # Standard deviation : 0.0162427 # First order fit does a worse job at the end of the bandpass. May need to take a bit of a look at the flagging and cubes for each component file. ------------------------------------------------------------------------------- NOW SINCSINC: makecube in="a*_flagspike.sdf" autogrid=true crota=23 pixsize=7.2761 sparse=false spread='sincsinc' params='[1,2]' specbounds=\"-445.0 360.0\" out=ngc3031_sincsinc reset # Projection parameters used: # CRPIX1 = 40.1346938759089 # CRPIX2 = 63.0224489811808 # CRVAL1 = 148.888333333333 ( RA = 9:55:33.2 ) # CRVAL2 = 69.0652777777778 ( Dec = 69:03:55 ) # CDELT1 = -0.00202113893296984 ( -7.3 arcsec ) # CDELT2 = 0.00202113893296984 ( 7.3 arcsec ) # CROTA2 = 23 # Output cube pixel bounds: ( -38:40, -61:63, -952:950 ) # Output cube WCS bounds: # Right ascension: 9:54:10.5 -> 9:56:55.6 # Declination: 68:55:04 -> 69:12:46 # Optical velocity (USB): -445.0473 -> 360.2858 km/s # WARNING: Tsys conversion factor has changed from 3.09857308753382e-06 to # 3.09866193678148e-06 (0.0028674246225628 %) in file a20080228_00028_flagspike # WARNING: Cannot create output Tsys values. chpix in=ngc3031_sincsinc out=ngc3031_sincsinc_spikebad section=\":,:,-439:-428\" newval=bad ndfcopy in=ngc3031_sincsinc_spikebad'(-27:25,-49:51,)' out=ngc3031_sincsinc_trim mfittrend ngc3031_sincsinc_trim ranges=\"-445 -280 185 360\" order=1 axis=3 out=ngc3031_sincsinc_trim_base1 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # -444.6253 : -280.355 km/s (-952 : -563) # 184.716 : 359.8615 km/s (536 : 949) sub ngc3031_sincsinc_trim ngc3031_sincsinc_trim_base1 ngc3031_sincsinc_trim_sub1 compave ngc3031_sincsinc_trim_sub1 ngc3031_sincsinc_trim_sub1_20kms compress="[1,1,47]" stats 'ngc3031_sincsinc_trim_sub1_20kms(~35,~35,:)' | grep Standard # Standard deviation : 0.0162423 stats 'ngc3031_sincsinc_trim_sub1_20kms(~35,~35,-445.0:-280.0)' | grep Standard # Standard deviation : 0.0167719 stats 'ngc3031_sincsinc_trim_sub1_20kms(~35,~35,185.0:360.0)' | grep Standard # Standard deviation : 0.0141876 ------------------------------------------------------------------------------- BASELINE MASK PRODUCTION: # First produce a smoothed cube to identify the line and make masks with mfittrend block in=ngc3031_sincsinc_trim out=ngc3031_sincsinc_trim_vsmooth 'axes=[1,3] box=[1,25]' block in=ngc3031_sincsinc_trim_vsmooth out=ngc3031_sincsinc_trim_smooth 'axes=[1,2] box=[3,3]' mfittrend in=ngc3031_sincsinc_trim_smooth axis=3 order=1 out=ngc3031_sincsinc_trim_smooth_base1 auto mask=ngc3031_sincsinc_trim_smooth_basemsk1 method=single variance=false subtract=false 'clip=[2,3]' mfittrend in=ngc3031_sincsinc_trim_smooth axis=3 order=1 out=ngc3031_sincsinc_trim_smooth_base1g auto mask=ngc3031_sincsinc_trim_smooth_basemsk1g method=global variance=false subtract=false 'clip=[2,2.5,3]' add ngc3031_sincsinc_trim_smooth_basemsk1 ngc3031_sincsinc_trim_smooth_basemsk1g ngc3031_trim_basemask0 chpix in=ngc3031_trim_basemask0 out=ngc3031_trim_basemask0_end1 section=\":,:,-953:-563\" newval=0 chpix in=ngc3031_trim_basemask0_end1 out=ngc3031_trim_basemask0_end2 section=\":,:,536:950\" newval=0 cadd ngc3031_trim_basemask0_end2 1 ngc3031_trim_basemask1 mult ngc3031_sincsinc_trim ngc3031_trim_basemask1 ngc3031_sincsinc_trim_masked mfittrend ngc3031_sincsinc_trim_masked ranges=\"-445 360\" order=3 axis=3 out=ngc3031_sincsinc_trim_masked_base3 # Fitting NDF Axis 3, using ranges in current co-ordinate Frame (pixels): # -444.6253 : 359.8615 km/s (-952 : 949) sub ngc3031_sincsinc_trim ngc3031_sincsinc_trim_masked_base3 ngc3031_sincsinc_trim_submask3 compave ngc3031_sincsinc_trim_submask3 ngc3031_sincsinc_trim_submask3_20kms compress="[1,1,47]" stats 'ngc3031_sincsinc_trim_submask3_20kms(~35,~35,:)' | grep Standard # Standard deviation : 0.0150004 stats 'ngc3031_sincsinc_trim_submask3_20kms(~35,~35,-445.0:-280.0)' | grep Standard # Standard deviation : 0.0163954 stats 'ngc3031_sincsinc_trim_submask3_20kms(~35,~35,185.0:360.0)' | grep Standard # Standard deviation : 0.0137769 ------------------------------------------------------------------------------- CREATE MOMENT MAPS: mkdir Moment_sincsinc cp ngc3031_sincsinc_trim_submask3.sdf Moment_sincsinc/ngc3031_sincsinc_trim_submask3_rembsl.sdf cp ngc3031_trim_basemask1.sdf Moment_sincsinc/ngc3031_sincsinc_trim_submask3_msk.sdf cp ../NGC3521/Moment_sincsinc/REDUCE_SCIENCE_GRADIENT Moment_sincsinc cd Moment_sincsinc *Edit RSG Script: emacs REDUCE_SCIENCE_GRADIENT & set object = "ngc3031_sincsinc_trim_submask3" set vrange = "low=-280 high=185" # 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 from RSG: # 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(-17:15,-31:33,-894:892): 0.00789190715758173 Rotate intvel maps: rotate ngc3031_sincsinc_trim_submask3_intvel20 ngc3031_sincsinc_trim_submask3_intvel20_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel25 ngc3031_sincsinc_trim_submask3_intvel25_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel30 ngc3031_sincsinc_trim_submask3_intvel30_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel35 ngc3031_sincsinc_trim_submask3_intvel35_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel40 ngc3031_sincsinc_trim_submask3_intvel40_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel45 ngc3031_sincsinc_trim_submask3_intvel45_rot angle=! rotate ngc3031_sincsinc_trim_submask3_intvel50 ngc3031_sincsinc_trim_submask3_intvel50_rot angle=! (contoured totint maps and velocity maps then made using gaia) ------------------------------------------------------------------------------- MAKE CUBES DISPLAYING S/N RATIO: collapse in=ngc3031_sincsinc_trim_submask3.sdf low=-445 high=-280 axis=vopt out=sigma_low estimator=sigma reset collapse in=ngc3031_sincsinc_trim_submask3.sdf low=185 high=360 axis=vopt out=sigma_high estimator=sigma reset block ngc3031_sincsinc_trim_submask3_20kms.sdf ngc3031_sincsinc_trim_submask3_20kms_bin5.sdf axes="[2,3]" box="[1,5]" estimator=mean block ngc3031_sincsinc_trim_submask3_20kms.sdf ngc3031_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=ngc3031_sincsinc_trim_submask3_20kms_bin5.sdf confirm=false reset cdiv sigma_low_3d 6.85565 sigma_low_20kms div ngc3031_sincsinc_trim_submask3_20kms_bin5.sdf sigma_low_20kms.sdf ngc3031_sincsinc_trim_submask3_20kms_bin5_SN.sdf div ngc3031_sincsinc_trim_submask3_20kms_bin9.sdf sigma_low_20kms.sdf ngc3031_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/ngc3031_sincsinc_trim_submask3_rembsl_findclump20.sdf . cp ../Moment_sincsinc/ngc3031_sincsinc_trim_submask3_totint20.sdf . add sigma_high sigma_low out=sigma_sum cdiv sigma_sum.sdf 2 sigma_avg collapse in= ngc3031_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 ngc3031_totint20_noise div ngc3031_sincsinc_trim_submask3_totint20.sdf ngc3031_totint20_noise ngc3031_totint20_SN (contoured SN maps then made using gaia) ------------------------------------------------------------------------------- TRIM OUT NOISE FROM TOTINT20 MAP: *Try trimming regions with SN < 2.0: thresh ngc3031_totint20_SN.sdf thrlo=2 newlo=bad thrhi=500 newhi=bad out=ngc3031_totint20_SN_thresh2 # There were 2827 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc3031_totint20_SN_thresh2.sdf 0 ngc3031_zeroall_2 cadd ngc3031_zeroall_2 1 ngc3031_msk_2 mult ngc3031_msk_2.sdf ngc3031_sincsinc_trim_submask3_totint20.sdf ngc3031_totint20_noisetrim2 *Try trimming regions with SN < 1.5: thresh ngc3031_totint20_SN.sdf thrlo=1.5 newlo=bad thrhi=500 newhi=bad out=ngc3031_totint20_SN_thresh15 # There were 2477 elements changed in the DATA array below the threshold. # There were 0 elements changed in the DATA array above the threshold. cmult ngc3031_totint20_SN_thresh15.sdf 0 ngc3031_zeroall_15 cadd ngc3031_zeroall_15.sdf 1 ngc3031_msk_15 mult ngc3031_msk_15.sdf ngc3031_sincsinc_trim_submask3_totint20.sdf ngc3031_totint20_noisetrim_15 ------------------------------------------------------------------------------- MAKE TOTINT30 NOISE and SN MAPS: cp ../Moment_sincsinc/ngc3031_sincsinc_trim_submask3_rembsl_findclump30.sdf . cp ../Moment_sincsinc/ngc3031_sincsinc_trim_submask3_totint30.sdf . collapse in= ngc3031_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 ngc3031_totint30_noise div ngc3031_sincsinc_trim_submask3_totint30.sdf ngc3031_totint30_noise ngc3031_totint30_SN (contoured SN maps then made using gaia)