gv30808 Data Log
gv30808.datalog: Reduction Log for gv30808
Reducer: Andrzej
File: /wet/xcov23/kpd1930/raw/gv30808
File format: Quilt 9
Reduction date & time: 28 August 2003 02:20:06
Observers: GV
Run name: gv30808
Acquisition software: Quilt 9
Extraction software: Quilt 9
Object: KPD 1930+2752
Observatory: Observatoire Haute-Provence
Telescope: 1.93m
Number of channels: 3
Number of data points: 3804
TIME INFORMATION
Start Date & time (UT): 27 August 2003 20:02:00.000
Exposure time (s): 5.000000
Readout time (s): 0.000000
Cycle time (s): 0.000000
Drift (s): 0.000000
File time format: TIME_PMT_SYSTEM
PHOTOMETER INFORMATION
Photometer name: Chevreton
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: 28 August 2003 02:20:06 UTC
DEAD TIME REDUCTION: Channels 1 2 3
SKY SUBTRACTION: Channels 1 2
SKY DIVISION: Channels 1
EXTINCTION: Channels 1 2
FIT CURVE: Channel 1
UNDO: FITTING undone in Channel 1!
CHANNEL 1 OPERATIONS
DEAD: Ch 1 Time = 15.00ns Maximum loss is 0.242% at point 70
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 1.131629
SKY_DIV: Ch 1 divided by all comparison channels, smoothing factor 1
EXTINC: Channel 1 extinction coefficient 0.050000
FIT: Type POLYNOMIAL Order 1 Range 0-3803 Error 13.941645
FIT: C0 53425.765625 C1 -0.071703
Channel 1 average data value: 52791.445
Channel 1 barycentric correction: 281.485
Channel 1 average data value: 52791.457
Channel 1 barycentric correction: 281.485
Channel 1 leap second correction: 64.184
CHANNEL 2 OPERATIONS
DEAD: Ch 2 Time = 15.00ns Maximum loss is 0.631% at point 80
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 0.951314
EXTINC: Channel 2 extinction coefficient 0.050000
Channel 2 average data value: 179206.350
Channel 2 barycentric correction: 281.485
Channel 2 leap second correction: 64.184
Channel 2 average data value: 179206.350
Channel 2 barycentric correction: 281.485
Channel 2 leap second correction: 64.184
CHANNEL 3 OPERATIONS
DEAD: Ch 3 Time = 15.00ns Maximum loss is 0.086% at point 3800
Channel 3 average data value: 21048.961
Channel 3 barycentric correction: 281.485
Channel 3 leap second correction: 64.184
Channel 3 average data value: 21048.961
Channel 3 barycentric correction: 281.485
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
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
31 31
32 32
33 33
34 34
35 35
3768 3768
3769 3769
3770 3770
3771 3771
3772 3772
3773 3773
3774 3774
3775 3775
3776 3776
3777 3777
3778 3778
3779 3779
3780 3780
3781 3781
3782 3782
3783 3783
3784 3784
3785 3785
3786 3786
3787 3787
3788 3788
3789 3789
3790 3790
3791 3791
3792 3792
3793 3793
3794 3794
3795 3795
3796 3796
3797 3797
3798 3798
3799 3799
3800 3800
3801 3801
3802 3802
3803 3803
GARBAGE POINTS
CH 1 CH 2 CH 3
========================================================================
36 36
37 37
38 38
3399 3766
3405 3767
3412
3419
3429
3435
3439
3445
3457
3460
3469
3473
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