Night 1 Bias: 17 -21 Flats: 11 - 16 25 for standard Arcs: 7 , 26 script ered.cl used the first night cbias='[2080:2145,26:430]' ctrim='[25:2064,26:430]' nights 2 and 3 used 400 grating, larger window. (biassec = "[2080:2145,60:399]") Overscan strip image section (trimsec = "[25:2064,60:399]") Trim data section EXTRACTIONS ----------- SN 97198 run # 027 (also done later) 4 objects extracted ap1 faint gal ap2 host z=0.538, OII, Hd, H & K, Heta > 97198_c027cc_ap2.asc ap3 SN (separate extraction possible), type Ia features match. > 97198_c027cc_ap3.asc ap4 bright star fits file: c027cc.fits ---------------------------------------------------------------- SN 97182 run # 032 5 objects in the slit ap1 ap2 : object - OII, OIII at z=0.636, SN features agree > 97182_l032c_ap2.asc Convincing Ia. ap3 ap4 ap5 : star fits file : l032c.fits ---------------------------------------------------------------- SN 97241 run # 037 3 objects in slit ap1 ap2 - has shoulder. SN features. z=0.575. weak OII and H&K. SN wiggles consistent > 97241_l037c_ap2.asc ap3 fits file: l037c.fits ---------------------------------------------------------------- SN 97218 run # 042 3 objects ap1 target - maybe a feature at 6800A ? No clear SN features > 97218_l042c_ap1.asc ap2 brighter gal z= ?? (has lines) : peter got z=0.53 from 4000 break > 97218_l042c_ap2.asc (not host) ap3 too faint (companion to brighter gal) fits file: l042c.fits ------------------------------------------------------------- SN 97201< run # 047 Extracted one object (others are present). ap1: z=0.86 based on H & K. SN features agree. Very red. > 97201_l047c_ap1.asc fits file: c047c.fits ---------------------------------------------- SN 97243 run # 052 #053 Extracted two objects ap1: z=0.77 OII OIII probably. SN features not clear listed as 'Ia?' in telegram ap2: star ? fits file: c052cc.fits, c053cc.fits (see later for summed version) ------------------------------------------------------------------- SN 97226 run # 067 Extracted one object ap1: z=0.778 ? OII and absorption lines SN features consistent with that. fits file: c067cc.fits ------------------------------------------------------------------- SN 97233 run #072 3 objects ap1 galaxy, z=0.402 ap2 target: QSO z=1.52 ap3 featureless galaxy ? fits file: c072cc.fits -------------------------------------------------------------------- SN 97193 run #074 #075 3 objects near centre ap1 host - z=0.59 ? absorption lines > 97193cc_sum_ap1.asc ap2 target : z=0.59, narrow OII, OIII & Hb. No Type Ia features. Type II ? > 97193cc_sum_ap2.asc Not sure what this is. Tiles plots look strange, nothing clear in spectrum. Call it 'SN?' in telegram. ap3 featureless ? fits files: l074c.fits,c075cc.fits,97193_sumc.fits ------------------------------------------------------------------- SN 97236 runs #080 and 081 Extracted host + shoulder ap1 : shoulder (lower row no) > 97236cc_sum_ap1.asc No clear features ap2 : host z=0.649<, OII & H&K c081cc.fits > 97236cc_sum_ap2.asc fits files: c080cc.fits,c081cc.fits,97236cc_sum.fits ---------------------------------------------------------- SN 97192 run # 088 ap1 : galaxy z=0.47 (not host) ap2 : SN (shoulder extraction) Blue, featureless. Early Type II ? Peter- please check. Not sure what this is. ap3 : Host, z=0.431, OII H&K etc > 97192_c088cc_apX.asc fits file: c088cc.fits ------------------------------------------------------------------ ----------------------------------------------------------------- Night 2 2 gratings : 300/7500 and 400/8400 ------------------------------------------------------------ SN 97195 run #243, 300-grating ap1: brighter object- SN z=0.466 (OII in host? - also OIII & Hb see later), SN features inclusing SiII. ap2: host galaxy ? - maybe not associated > 97195_l243c_apX.asc, l243c_chop.fits fluxed using g158 from night 1 (l024gsens) Redone later but next spectrum didn't add much ------------------------------------------------------------ SN 97180 run # 249, 300 grating One object in slit ap1: Host + SN. z=0.462, H&K lines. > 97180_l249c_ap1.asc SN features look very good when Elliptical gal template subtracted (see 97180_snz_galsub.ps) fluxed using g158 from night 1 (l024gsens) Files: 97180_l249c_ap1.asc, l249c.fits, 97180_snz.ps, 97180_snz_galsub.ps ------------------------------------------------------------ SN 97203 run # 255 5 objects in slit ap1: SN + host. bright object near center z=0.416 - Ca H & K, Hd SN features agree ? SiII feature doesn't. z=0.462 ?? - check galaxy lines SN features match better at that z, especially when some E gal template is removed. *** Check this one *** Files: 97203_l255c_ap1.asc, l255c_chop.fits ------------------------------------------------------------ SN 97234 run #262, #263, grating 400 flats 265-267 3 objects. 2 faint ones close together and one bright one. Extracted only the fainter ones. ap1 (lower row number) = 'host' > 97234c_comb_ap1.asc ap2 target - z=0.70, OII and OIII. No clear SN features ? > 97234c_comb_ap2.asc Listed as 'Ia?' in telegram Summed the extractions Need to do CR rejection on this properly. Fits files: l262c.fits, l263c.fits, 97234c_comb.fits Comparison with Ia template looks OK after heavy smoothing (see 97234_snz.ps) --------------------------------------------------------- 97243 (again) #269, #270 400 grating extracted the same two objects as last night. ap1 = sn + host ap2 = star fits files: l269c.fits, l270c.fits combined extractions with last night's: 97243c_comb_ap1.asc, 97243c_comb.fits weak Ia features maybe. Need to subtract some galaxy - sb ? ------------------------------------------------------------ 97201 (again) #275 #276 400-grating 276 much lower s/n - airmass too high ? Extracted target only > l275c.fits, l276c.fits combined with last night's > 97201c_comb.asc, 97201c_comb.fits --------------------------------------------------------------- 97236 (again, but at different PA) run #281, #282 400-grating Different PA from last night individual extractions: l281c.fits, l282c.fits Combined these night 2 extractions > 97236c_comb_n2.asc, 97236c_comb_n2.fits Combined these with previous > 97236c_comb_all_ap1.asc --------------------------------------------- SN 97227 run 287 - 400 grating 8 objects ap1 star ap2 ap3 ap4 target (shoulder). Clear SN features including SiII, matching gal z ap5 host z=0.498 OIII, Hb ap6 ap7 ap8 Files: 97227_l287c_ap5.asc, 97227_l287c_ap4.asc, l287c.fits ps file: 97227_snz.ps ----------------------------------------------------------- SN 97190 292 4 objects ap1 faint thing ap2 gal, z=0.349 - with wiggles ?! ap3 ap4 target z=0.361 OII, OIII. Clear SN features including SiII. slight offset in z - does the template have a non-zero z ? Matches a pre-maximum (-7 restframe days) template Files: 97190_l292c_ap2.asc, 97190_l292c_ap4.asc, l292c.fits 97190_snz.ps (this shows match to an at-max spectrum. pre-max matches better) ----------------------------------------------------------- SN 97188 run # 297 3 objects ap1 faint thing ap2 target z=0.633. weak SN features. Looks good after subtracting some Sa galaxy (12% subtracted as derived from percent increase) ap3 bright object Files: 97188_l297c_ap2.asc, l297c.fits ----------------------------------------------------------------- SN 97216 run # 302 Did separate extraction of sn and host since IRAF was messing up the aperture numbers. SN - 0.592 (single line) > 97216_l302c_sn.asc, l302c_sn.fits Convincing Ia host - line at 7015 > 97216_l302c_host.asc, l302c_host.fits ----------------------------------------------------------------- ----------------------------------------------------------------- Night 3 400 grating all night Wavelength calibration done with l238arc (from night 2) Flux calibration dome with l242sens (from night 2) ----------------------------------------------------------------- SN 9571 host run #424, 425 - 400 grating l424c.fits, l425c.fits Combined > 9751c_comb_host.fits, 9751c_comb_host.asc ----------------------------------------------------------------- SN 97223 run #430 - 400 grating 3 objects ap1 star ? ap2 galaxy, z=0.142 ap3 target: QSO, z=1.20 Files: 97223_l430c_apX.asc, l430c.fits ----------------------------------------------------------------- SN97198 again runs 435, 436 400-grating ap3 is SN l435c.fits, l436c.fits 97198c_comb_all.fits 97198c_comb_all_ap3.asc 97198_comb_snz.ps ----------------------------------------------------------------- SN 97201 again #441, #442, #443 Extracted SN only Combined extractions from night 3 > 97201c_comb_n3.fits, 97201c_comb_n3.asc Good s/n. Features aren't a great match, but some galaxy contamination. ----------------------------------------------------------------- SN 97218 again Different Sky PA this time. #448, #449 #450 ap1 ap2 ap3 target combined > 97218c_comb_n3.fits, 97218c_comb_n3_ap3.asc Cant see much in this yet. ----------------------------------------------------------------- SN 97195 run # 456 - bad seeing patch. Doesn't add much to previous observation. Files: l456c Extracted 2 objects as before combined with l243c >> 97195c_comb_3.fits ascii file (SN + host) 97195c_comb_3_ap1.asc See OIII & Hb to confirm z. ----------------------------------------------------------------- SN 97231 run # 461 EXtracted 5 objects ap1 target ? > 97231_l461c_ap1.asc ap2 ? (maybe this is target) > 97231_l461c_ap2.asc ap3 ap4 ap5 Cant see any features in ap 1 or ap2 Fits file: l461c.fits ----------------------------------------------------------------- SN 97226 (again) run numbers 466 467 Extracted 2 objects this time ap1 faint object (not host) ap2 target individual fits files: l466c.fits l467c.fits Combined ap2 with c067cc > 97226c_comb.fits 97226c_comb.asc Looks nice. Ia features match and several host lines confirm redshift z=0.777 ----------------------------------------------------------------- SN97216 (again) run # 472 Ap1 sn ap2 host (traced relative to SN, worked this time) Fits file: l472c.fits Combined ap1 with l302c_sn > 97216c_comb_sn.fits 97216c_comb_sn.asc Combined ap2 with l302c_host > 97216c_comb_host.fits 97216c_comb_host.asc Combined SN spectrum matches Ia at lateish times. z=0.59 ----------------------------------------------------------------- SN 97236 (again again, at same PA as night 2) runs 478 479 480 ap1 ) ap2 ) ap3 target Individual Fits files: l478c.fits l479c.fits l480c.fits Combine night's 2 and 3 (night 1 had lower flux) l281c[*,1,1],l282c[*,1,1],l478c[*,3,1],l479c[*,3,1], l480c[*,3,1] > 97236c_n2_n3.fits, 97236c_n2_n3.asc Still not sure about this one. Host from night 1 matches Sa or Sb gal. ------------------------------------------------------------------