loi_hs_3108 Data Log
loi_hs_3108.datalog: Reduction Log for loi_hs_3108
Reducer: Reed Riddle
File: /wet/xcov23/hs2201/raw/loi_hs_3108
File format: Quilt 9
Reduction date & time: 9 September 2003 21:02:19
Observers: Silvotti
Run name: loi_hs_3108
Acquisition software: Quilt 9
Extraction software: Quilt 9
Object: HS 2201+2610
Observatory: Bologna Astronomical Obs.
Telescope: 1.5m
Number of channels: 3
Number of data points: 955
TIME INFORMATION
Start Date & time (UT): 31 August 2003 19:35:00.000
Exposure time (s): 10.000000
Readout time (s): 0.000000
Cycle time (s): 0.000000
Drift (s): 0.000000
File time format: TIME_PMT_SYSTEM
PHOTOMETER INFORMATION
Photometer name: Loiano TTCP
Photometer type: PMT
Filter: CLEAR
Aperture setup: One sky for all apertures
Aperture size (pixels): 0.000000
Aperture shape: Circle
Aperture scaling: 1.00 1.00 1.00
CHANNEL INFORMATION
Channel 1: DATA CHANNEL SKY: Channel 3
Channel 2: COMP CHANNEL SKY: Channel 3
Channel 3: SKY CHANNEL Smoothing: 9
REDUCTION OPERATIONS SUMMARY
Reduction started: 9 September 2003 21:02:19 UTC
DEAD TIME REDUCTION: Channels 1 2 3
SKY SUBTRACTION: Channels 1 2
SKY DIVISION: Channels 1
FIT CURVE: Channel 1
UNDO: FITTING undone in Channel 1!
FIT CURVE: Channel 1
CHANNEL 1 OPERATIONS
DEAD: Ch 1 Time = 25.00ns Maximum loss is 0.183% at point 10
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 2.477228
SKY_DIV: Ch 1 divided by all comparison channels, smoothing factor 1
FIT: Type POLYNOMIAL Order 1 Range 0-954 Error 16.811708
FIT: C0 37761.710938 C1 0.242133
Channel 1 average data value: 38969.697
Channel 1 barycentric correction: 409.107
Channel 1 leap second correction: 64.184
CHANNEL 2 OPERATIONS
DEAD: Ch 2 Time = 25.00ns Maximum loss is 1.713% at point 686
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 2.746138
Channel 2 average data value: 580461.974
Channel 2 barycentric correction: 409.107
Channel 2 leap second correction: 64.184
CHANNEL 3 OPERATIONS
DEAD: Ch 3 Time = 25.00ns Maximum loss is 0.066% at point 308
Channel 3 average data value: 11748.126
Channel 3 barycentric correction: 409.107
Channel 3 leap second correction: 64.184
SKY POINTS
CH 1 CH 2 CH 3
========================================================================
0 0
1 1
2 2
3 3
4 4
945 945
946 946
947 947
948 948
949 949
950 950
951 951
952 952
953 953
954 954
GARBAGE POINTS
CH 1 CH 2 CH 3
========================================================================
5 5
79 944
80
81
128
129
130
151
152
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
237
254
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
349
394
469
470
471
472
756
757
758
759
760
761
762
763
764
765
772
773
783
814
815
867
868
869
870
871
872
873
874
875
911
919
944