Keck spectra Apr/May 1996 Data reduction (LBL, May 1996) data in ka = /home/astro26/deepsearch/keckspectra/apr96/ data in km = /home/astro26/deepsearch/keckspectra/may96/ made lists: apr_all.list ccdproc Trim: [21:2069,40:448] AS BEFORE overscan: [2080:2145,45:445] apr96 data: overscan level 990-1010 ? may96 data: overscan level 780-800 BIASES ------ look at 014-019 >> bias1 : combine & see if there's structure. and 092-095 >> bias2 : also look for changes over course of night. no repeatable pattern so ignore bias frames. FLATS ----- Apr96 ----- Use rotator position of all frames to decide which flat goes with which observation. hedit lris*.imh ROTPOSN . update- cl> hedit lris*.imh ROTPOSN . update- lris0001.imh,ROTPOSN = -90.00000081 lris0002.imh,ROTPOSN = -90.00000081 lris0003.imh,ROTPOSN = -90.00000081 lris0004.imh,ROTPOSN = -90.00000081 lris0005.imh,ROTPOSN = -90.00000081 lris0006.imh,ROTPOSN = -90.00000081 lris0007.imh,ROTPOSN = -90.00009236 lris0008.imh,ROTPOSN = -90.00000081 lris0009.imh,ROTPOSN = -90.00000081 lris0010.imh,ROTPOSN = -90.00000081 lris0011.imh,ROTPOSN = -90.00000081 lris0012.imh,ROTPOSN = -90.00000081 lris0013.imh,ROTPOSN = -90.00000081 lris0014.imh,ROTPOSN = -90.00000081 lris0015.imh,ROTPOSN = -90.00000081 lris0016.imh,ROTPOSN = -30.02966336 lris0017.imh,ROTPOSN = 51.93200730 lris0018.imh,ROTPOSN = 89.99945149 lris0019.imh,ROTPOSN = 90.00000081 lris0020.imh,ROTPOSN = 90.00000081 lris0021.imh,ROTPOSN = 90.00000081 lris0022.imh,ROTPOSN = 90.00000081 lris0023.imh,ROTPOSN = 90.00000081 lris0024.imh,ROTPOSN = 0.00000000 lris0025.imh,ROTPOSN = 50.00757076 lris0026.imh,ROTPOSN = 50.00614926 lris0027.imh,ROTPOSN = 50.00203966 lris0028.imh,ROTPOSN = 50.00741976 lris0029.imh,ROTPOSN = 50.00174130 lris0030.imh,ROTPOSN = 50.00069565 lris0031.imh,ROTPOSN = 48.90782542 lris0032.imh,ROTPOSN = 49.99779919 lris0033.imh,ROTPOSN = 49.99469332 lris0034.imh,ROTPOSN = 49.99919960 lris0035.imh,ROTPOSN = 50.42364550 lris0036.imh,ROTPOSN = 50.62595189 lris0037.imh,ROTPOSN = 50.82311844 lris0038.imh,ROTPOSN = 51.01851709 lris0039.imh,ROTPOSN = 51.21199150 lris0040.imh,ROTPOSN = -30.00331848 lris0041.imh,ROTPOSN = -29.99990696 lris0042.imh,ROTPOSN = -30.00006650 lris0043.imh,ROTPOSN = -29.99931676 lris0044.imh,ROTPOSN = -30.00085408 lris0045.imh,ROTPOSN = -30.00012352 lris0046.imh,ROTPOSN = -30.00189935 lris0047.imh,ROTPOSN = -30.00165458 lris0048.imh,ROTPOSN = -30.00267719 lris0049.imh,ROTPOSN = -30.00356462 lris0050.imh,ROTPOSN = -30.00223565 lris0051.imh,ROTPOSN = -30.00271207 lris0052.imh,ROTPOSN = -31.00207729 lris0053.imh,ROTPOSN = -31.00259768 lris0054.imh,ROTPOSN = -26.50254314 lris0055.imh,ROTPOSN = -26.50357388 lris0056.imh,ROTPOSN = -26.19688277 lris0057.imh,ROTPOSN = -26.05778650 lris0058.imh,ROTPOSN = -25.94363451 lris0059.imh,ROTPOSN = 44.99907683 lris0060.imh,ROTPOSN = 44.99815090 lris0061.imh,ROTPOSN = 44.99738203 lris0062.imh,ROTPOSN = 44.99775549 lris0063.imh,ROTPOSN = 44.99855070 lris0064.imh,ROTPOSN = 44.99949971 lris0065.imh,ROTPOSN = 44.99856232 lris0066.imh,ROTPOSN = -36.00038019 lris0067.imh,ROTPOSN = -36.00185971 lris0068.imh,ROTPOSN = -36.00066341 lris0069.imh,ROTPOSN = -36.00061128 lris0070.imh,ROTPOSN = -35.99980197 lris0071.imh,ROTPOSN = -36.00047757 lris0072.imh,ROTPOSN = -25.99953643 lris0073.imh,ROTPOSN = -25.99887019 lris0074.imh,ROTPOSN = 10.00081154 lris0075.imh,ROTPOSN = 10.00061371 lris0076.imh,ROTPOSN = 10.00047671 lris0077.imh,ROTPOSN = 9.99947308 lris0078.imh,ROTPOSN = 9.99998140 lris0079.imh,ROTPOSN = 10.00091621 lris0080.imh,ROTPOSN = 9.99958230 lris0081.imh,ROTPOSN = 10.00206333 lris0082.imh,ROTPOSN = 10.00111371 lris0083.imh,ROTPOSN = 10.00044976 lris0084.imh,ROTPOSN = 9.99952885 lris0085.imh,ROTPOSN = 10.00176501 lris0086.imh,ROTPOSN = 9.99988313 lris0087.imh,ROTPOSN = 9.99960651 lris0088.imh,ROTPOSN = 10.00013998 lris0089.imh,ROTPOSN = 10.00002013 lris0090.imh,ROTPOSN = 9.99999812 lris0091.imh,ROTPOSN = 10.00117928 lris0092.imh,ROTPOSN = 90.00064168 lris0093.imh,ROTPOSN = 90.00000081 lris0094.imh,ROTPOSN = 90.00000081 lris0095.imh,ROTPOSN = 90.00000081 flats type use for ----------------------------------- 002-008 dome 001,009-013 020-023 internal 024 twilight 035-039 dome 025-034 044-047 dome 040-043, 048-053 056-058 dome 054-055 059-061 dome 062-065 068-070 dome 066-067, 071-073 077-080 dome 074-076, 082 083 twilight 084 twilight 085-091 twilight ========================================== ccdhedit *.imh dispaxis 1 ccdhedit *.imh disptype lambda ccdhedit *.imh dispunit angstroms ========================================== COMBINING FLATS: -julia --------------- imcombine lris0002,lris0003,lris0004,lris0005,lris0006,lris0007,lris0008 flat2to8 imcombine lris0035,lris0036,lris0037,lris0038,lris0039 flat35to39 imcombine lris0056,lris0057,lris0058 flat56to58 imcombine lris0059,lris0060,lris0061 flat59to61 imcombine lris0068,lris0069,lris0070 flat68to70 imcombine lris0077,lris0078,lris0079,lris0080 flat77to80 RESPONSE: -julia -------- response flat2to8 flat2to8 rflat2to8 response flat35to39 flat35to39 rflat35to39 response flat44to47 flat44to47 rflat44to47 response flat56to58 flat56to58 rflat56to58 response flat59to61 flat59to61 rflat59to61 response flat68to70 flat68to70 rflat68to70 response flat77to80 flat77to80 rflat77to80 =========================================== FLATFIELDING OBJECTS: -julia -------------------- ccdproc @obs1.list flat=rflat2to8 ccdtype=object flatcor+ ccdproc @obs2.list flat=rflat35to39 ccdtype=object flatcor+ ccdproc @obs3.list flat=rflat44to47 ccdtype=object flatcor+ ccdproc @obs4.list flat=rflat56to58 ccdtype=object flatcor+ ccdproc @obs5.list flat=rflat59to61 ccdtype=object flatcor+ ccdproc @obs6.list flat=rflat68to70 ccdtype=object flatcor+ ccdproc @obs7.list flat=rflat77to80 ccdtype=object flatcor+ where: obs1.list = 001,009-013 obs2.list = 025-034 obs3.list = 040-043, 048-053 obs4.list = 054-055 obs5.list = 062-065 obs6.list = 066-067, 071-073 obs7.list = 074-076, 082 CHECKING CR CLEANING - Isobel -------------------- data in /home/astro26/deepsearch/julia/apr96/ Targets: 029 lris0029 SN1996W 030 lris0030 -other object plus sky line getting zapped 033 l033s4cr SN1996M 034 l034s4cr 040 lris0040 bad sky lines (963) 041 l041s8cr 042 lris0042 049 lris0049 sky line even at 15 sig SN962 050 l050s4cr 051 l051s4cr 052 l052s5cr SN964 053 lris0053 054 lris0054 SN969 055 lris0055 063 lris0063 sky problems SN9611 064 l064s6cr 065 lris0065 066 lris0066 9624 067 l067s5cr 072 lris0072 SN1996 O 073 l073s5cr EXTRACTIONS - Isobel ----------- imh's extractions in /home/astro26/deepsearch/keck/apr96/is/ In apall set gain=1.9, readnoise =6.0 (from LRIS manual/IMH's notes at telescope). We were using 'low' gain setting. --------------------------------------- SN1996W, runs #29,#30 extracted 1 object (did 3 in May data) W calib F calib --------------------------------------- SN1996M, runs #033, #034 033 l033s4cr 034 l034s4cr extracted one object --------------------------------------- SN963 runs #040, 41, 42 040 lris0040 041 l041s8cr - not at all flat 042 lris0042 - " v hard to trace. used 041 as ref extracted one object --------------------------------------- SN962 runs 049, 050, 051 049 lris0049 cr 050 l050s4cr 051 l051s4cr extracted one object - possible line in 051, but may be 5577 ? W calib: F claib: --------------------------------------- SN964 052 l052s5cr 053 lris0053 4 objects ap#1 row 120 ap#2 row 200 target: brighter obj used as ref ap#3 row 213 bright obj ap#4 row 269 lots of horrid CRs --------------------------------------- SN969 054 lris0054 SN969 055 lris0055 3 objects ap#1 row #150 ap#2 row #200 target ap#3 row #245 lots of horrid CRs esp in ap#1 of #055 --------------------------------------- 063 lris0063 sky problems SN9611 064 l064s6cr 065 lris0065 extracted 2 objects ap#1 row 205 : target ap#2 row 313 --------------------------------------- SN9624 066 lris0066 067 l067s5cr 4 objects ap#1 row 118 ap#2 row 157 -H&K ? ap#3 row 204 target ap#4 row 272 bright --------------------------------------- SN1996 O 072 lris0072 073 l073s5cr extracted one object (some galaxy contamination ? - but did set background regions on the galaxy either side of object) ===================================================================== - arcs and standards: - julia OBJECTS -> CORRESPONDING ARC ----------------------------------------- 29,30 25 33,34 31,32 40-42,49-53 48 54,55 48 ? 63-65 62 66,67,72,73 71 STANDARDS -> CORRESPONDING ARC ----------------------------------------- 26,27,28 25 74,75,76 82 apall lris0025 out=alris0025arc refer=lris0026 trace=no backg=none apall lris0031 out=alris0031arc refer=033s4cr trace=no backg=none apall lris0032 out=alris0032arc refer=033s4cr trace=no backg=none apall lris0048 out=alris0048arc refer=052s5cr trace=no backg=none apall lris0062 out=alris0062arc refer=lris0066 trace=no backg=none apall lris0071 out=alris0071arc refer=lris0072 trace=no backg=none apall lris0082 out=alris0082arc refer=lris0074 trace=no backg=none copying Isobel's extractions - have to try to fool IRAF with names cop ../../../keck/apr96/is/database/apkajl033s4cr ap033s4cr cop ../../../keck/apr96/is/database/apkajl052s5cr ap052s5cr cop ../../../keck/apr96/is/database/apkajlris0066 ap066 cop ../../../keck/apr96/is/database/apkajlris0072 ap072 NOTE: Julia edited database file that was copied from Isobel's database corresponding to objects 52 and 66 with names respectively apl052s5cr & aplris0066 in Julia's database. 52 ws editied to only contain information on ap2; 66 was edited to contain only info on ap3. These 2 apertures corresponding to the aperture for the host. Also, the paerture and imagename had to be changed from kaj$l052s5cr to l052s5cr and kaj$lris0066 to lris0066 respectively. -j. ===================================================================== standards located in /home/astro26/deepsearch/julia/apr96 note : background = "fit" apall lris0074 out=alris0074 apall lris0075 out=alris0075 apall lris0076 out=alris0076 * note: 76 may be saturated -j. ===================================================================== Arcs seem to be flipped (ie. higher->lower wavelengths from left to right) -j. Julia flipped back for purposes of identification by doing SFLIP IMH: this is not a good idea unless you flip EVERYTHING. This produced final spectra with the wavelength scale backwards ! See below SFLIP: ------ input = "alris0082arc.imh" Input spectra to flip output = "alris0082farc.imh" Output flipped spectra (coord_flip = no) Flip coordinate system? (data_flip = yes) Flip data? (mode = "ql") sflip alris0025arc.imh alris0025farc.imh sflip alris0032arc.imh alris0032farc.imh sflip alris0048arc.imh alris0048farc.imh sflip alris0062arc.imh alris0062farc.imh sflip alris0071arc.imh alris0071farc.imh sflip alris0082arc.imh alris0082farc.imh IDENT: ----- images = "alris0082farc" Images containing features to be identified (section = "middle line") Section to apply to two dimensional images (database = "database") Database in which to record feature data (coordlist = "/home/astro10/julia/iraf/IRAFlinelist") User coordinate list (nsum = "10") Number of lines/columns/bands to sum in 2D imag (match = 10.) Coordinate list matching limit in user units (maxfeatures = 50) Maximum number of features for automatic identi (zwidth = 100.) Zoom graph width in user units (ftype = "emission") Feature type (fwidth = 4.) Feature width in pixels (cradius = 5.) Centering radius in pixels (threshold = 10.) Feature threshold for centering (minsep = 2.) Minimum pixel separation (function = "spline3") Coordinate function (order = 1) Order of coordinate function (sample = "*") Coordinate sample regions (niterate = 0) Rejection iterations (low_reject = 3.) Lower rejection sigma (high_reject = 3.) Upper rejection sigma (grow = 0.) Rejection growing radius (autowrite = no) Automatically write to database (graphics = "stdgraph") Graphics output device (cursor = "") Graphics cursor input (mode = "ql") ident alris0025farc REIDENT: -------- reference = "alris0025farc" Reference image images = "alris0082farc" Images to be reidentified answer = "yes" Fit dispersion function interactively? (interactive = "no") Interactive fitting? (section = "middle line") Section to apply to two dimensional images (newaps = yes) Reidentify apertures in images not in reference (override = no) Override previous solutions? (refit = yes) Refit coordinate function?\n (trace = no) Trace reference image? (step = "10") Step in lines/columns/bands for tracing an imag (nsum = "10") Number of lines/columns/bands to sum (shift = "0.") Shift to add to reference features (nlost = 0) Maximum number of features which may be lost\n (cradius = 5.) Centering radius (threshold = 10.) Feature threshold for centering (addfeatures = no) Add features from a line list? (coordlist = " /home/astro10/imh/iraf/keck_nov95/cuarne") User coordinate li (match = 10.) Coordinate list matching limit in user units (maxfeatures = 50) Maximum number of features for automatic identi (minsep = 2.) Minimum pixel separation\n (database = "database") Database (logfiles = "logfile") List of log files (plotfile = "") Plot file for residuals (verbose = no) Verbose output? (graphics = "stdgraph") Graphics output device (cursor = "") Graphics cursor input (mode = "ql") reident alris0025farc alris0031farc reident alris0025farc alris0032farc reident alris0025farc alris0048farc reident alris0025farc alris0062farc reident alris0025farc alris0071farc reident alris0025farc alris0082farc ident alris0031farc ident alris0032farc ident alris0048farc ident alris0062farc ident alris0071farc ident alris0082farc ident alris0082farc ____________________________________________________________________ imh identified alris0025arc (not flipped) directly 4th order legendre >> rms=0.25. NB blue end not tied down too well- Hg lines not very strong. ===================================================================== ASSIGNING ARCLAMPS and WAVELENGTH CALIBRATING: - julia DISPCOR: -------- input = "kais$049x" List of input spectra output = "dlris049" List of output spectra (linearize = yes) Linearize (interpolate) spectra? (database = "database") Dispersion solution database (table = "") Wavelength table for apertures (w1 = INDEF) Starting wavelength (w2 = INDEF) Ending wavelength (dw = INDEF) Wavelength interval per pixel (nw = INDEF) Number of output pixels (log = no) Logarithmic wavelength scale? (flux = yes) Conserve flux? (samedisp = yes) Same dispersion in all apertures? (global = no) Apply global defaults? ignoreaps = yes) Ignore apertures? (confirm = no) Confirm dispersion coordinates? (listonly = no) List the dispersion coordinates only? (verbose = yes) Print linear dispersion assignments? (logfile = "") Log file (mode = "ql") OBJECTS -> CORRESPONDING ARC ----------------------------------------- 29,30 25 33,34 31,32 40-42,49-53 48 54,55 48 ? 63-65 62 66,67,72,73 71 STANDARDS -> CORRESPONDING ARC ----------------------------------------- 26,27,28 25 74,75,76 82 Standards: ccdhedit alris0026 REFSPEC1 alris0025farc ccdhedit alris0027 REFSPEC1 alris0025farc ccdhedit alris0028 REFSPEC1 alris0025farc ccdhedit alris0074 REFSPEC1 alris0082farc ccdhedit alris0075 REFSPEC1 alris0082farc ccdhedit alris0076 REFSPEC1 alris0082farc dispcor alris0026 dlris0026 > dispcor.log dispcor alris0027 dlris0027 >> dispcor.log dispcor alris0028 dlris0028 >> dispcor.log dispcor alris0074 dlris0074 >> dispcor.log dispcor alris0075 dlris0075 >> dispcor.log dispcor alris0076 dlris0076 >> dispcor.log NOTE: kais$ = /home/astro26/deepsearch/keck/apr96/is/ (This is set up in Julia's login.cl directory to easily access Isobel's directory in which she extracted the SNe spectra; The following steps are performed in the directory /home/astro26/deepsearch/julia/apr96/) Supernovae: ccdhedit kais$029x REFSPEC1 alris0025farc ccdhedit kais$030x REFSPEC1 alris0025farc ccdhedit kais$033x REFSPEC1 alris0032farc ccdhedit kais$034x REFSPEC1 alris0032farc ccdhedit kais$040x REFSPEC1 alris0048farc ccdhedit kais$041x REFSPEC1 alris0048farc ccdhedit kais$042x REFSPEC1 alris0048farc ccdhedit kais$049x REFSPEC1 alris0048farc ccdhedit kais$050x REFSPEC1 alris0048farc ccdhedit kais$051x REFSPEC1 alris0048farc ccdhedit kais$052x REFSPEC1 alris0048farc ccdhedit kais$053x REFSPEC1 alris0048farc ccdhedit kais$054x REFSPEC1 alris0048farc ??? arc 48? ccdhedit kais$055x REFSPEC1 alris0048farc ??? ccdhedit kais$063x REFSPEC1 alris0062farc ccdhedit kais$064x REFSPEC1 alris0062farc 064x does not exist in kais$ ccdhedit kais$065x REFSPEC1 alris0062farc ccdhedit kais$066x REFSPEC1 alris0071farc ccdhedit kais$067x REFSPEC1 alris0071farc 067x does not exist in kais$ ccdhedit kais$072x REFSPEC1 alris0071farc ccdhedit kais$073x REFSPEC1 alris0071farc dispcor kais$029x dlris029 >> dispcor.log dispcor kais$030x dlris030 >> dispcor.log dispcor kais$033x dlris033 >> dispcor.log dispcor kais$034x dlris034 >> dispcor.log dispcor kais$040x dlris040 >> dispcor.log dispcor kais$041x dlris041 >> dispcor.log dispcor kais$042x dlris042 >> dispcor.log dispcor kais$049x dlris049 >> dispcor.log IRAF error: Pixel storage file is truncated (kais$049x) dispcor kais$050x dlris050 >> dispcor.log dispcor kais$051x dlris051 >> dispcor.log dispcor kais$052x dlris052 >> dispcor.log dispcor kais$053x dlris053 >> dispcor.log dispcor kais$054x dlris054 >> dispcor.log dispcor kais$055x dlris055 >> dispcor.log dispcor kais$063x dlris063 >> dispcor.log dispcor kais$065x dlris065 >> dispcor.log dispcor kais$066x dlris066 >> dispcor.log dispcor kais$072x dlris072 >> dispcor.log dispcor kais$073x dlris073 >> dispcor.log Still need to do as of: 8/5/96 dispcor kais$064x dlris064 >> dispcor.log dispcor kais$067x dlris067 >> dispcor.log ===================================================================== SENSITIVITY FUNCTIONS & CALIBRATION FOR STANDARD STARS: -julia stand dlris0026 stdlris0026 star=hd84937 stand dlris0027 stdlris0027 star=hd84937 stand dlris0028 stdlris0028 star=hd84937 stand dlris0074 stdlris0074 star=bd174708 stand dlris0075 stdlris0075 star=bd174708 stand dlris0076 stdlris0076 star=bd174708 HD84937 sensfunc stdlris0026 sf0026; rms=0.0808, spline3 order=19 sensfunc stdlris0027 sf0027; rms=0.400, spline3 order=17 sensfunc stdlris0028 sf0028; rms=0.0479, spline3 order=15 BD+174708 sensfunc stdlris0074 sf0074; rms=0.0435 spline3 order=11 sensfunc stdlris0075 sf0075; rms=0.0324 spline3 order=15 sensfunc stdlris0076 sf0076; rms=0.0428 spline3 order=13 CALIBRATIONS: CALIB: ------ input = "dlris0076" Input spectra to calibrate output = "clris0076" Output calibrated spectra (extinct = yes) Apply extinction correction? (flux = yes) Apply flux calibration? (extinction = "onedstds$kpnoextinct.dat") Extinction file (observatory = "obspars") Observatory of observation (ignoreaps = yes) Ignore aperture numbers in flux calibration? (sensitivity = "sens") Image root name for sensitivity spectra (fnu = no) Create spectra having units of FNU? (mode = "ql") Note: Standard stars calibrated with respect to themselves: calib dlris0026 clris0026 sens=sf0026 calib dlris0027 clris0027 sens=sf0027 calib dlris0028 clris0028 sens=sf0028 calib dlris0074 clris0074 sens=sf0074 calib dlris0075 clris0075 sens=sf0075 calib dlris0076 clris0076 sens=sf0076 ------------------------------------------------------------------- CALIBRATIONS (Objects): - julia calib dlris029 clris029 sens=sf0027 calib dlris030 clris030 sens=sf0027 calib dlris033 clris033 sens=sf0027 calib dlris034 clris034 sens=sf0027 calib dlris040 clris040 sens=sf0027 calib dlris041 clris041 sens=sf0027 calib dlris042 clris042 sens=sf0027 calib dlris049 clris049 sens=sf0027 calib dlris050 clris050 sens=sf0027 calib dlris051 clris051 sens=sf0027 calib dlris052 clris052 sens=sf0027 calib dlris053 clris053 sens=sf0027 calib dlris054 clris054 sens=sf0027 calib dlris055 clris055 sens=sf0027 calib dlris063 clris063 sens=sf0027 calib dlris065 clris065 sens=sf0027 calib dlris066 clris066 sens=sf0027 calib dlris072 clris072 sens=sf0027 calib dlris073 clris073 sens=sf0027 Things still need to be done: extract, dispersion correct & fluxcalibrate: 64, 67 dispersion correct and flux-calibrate: 049x (IRAF error)