gv30807 Data Log
gv30807.datalog: Reduction Log for gv30807
Reducer: Reed Riddle
File: /wet/xcov23/kpd1930/raw/gv30807
File format: Quilt 9
Reduction date & time: 27 August 2003 04:07:24
Observers: GV
Run name: gv30807
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: 3564
TIME INFORMATION
Start Date & time (UT): 26 August 2003 20:50:00.000
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: 27 August 2003 04:07:24 UTC
MATH: SUBTRACTION Channel 3
FIT CURVE: Channel 3
MATH: SUBTRACTION Channel 3
DEAD TIME REDUCTION: Channels 1 2 3
SKY SUBTRACTION: Channels 1 2
UNDO: SKY BUBTRACTION undone in Channel 2!
UNDO: SKY BUBTRACTION undone in Channel 1!
SKY SUBTRACTION: Channels 1 2
EXTINCTION: Channels 1 2
UNDO: EXTINCTION undone in Channel 1!
UNDO: EXTINCTION undone in Channel 2!
SKY DIVISION: Channels 1
EXTINCTION: Channels 1 2
FIT CURVE: Channel 1
CHANNEL 1 OPERATIONS
DEAD: Ch 1 Time = 15.00ns Maximum loss is 0.266% at point 105
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 1.172441
SKY_DIV: Ch 1 divided by all comparison channels, smoothing factor 1
EXTINC: Channel 1 extinction coefficient 0.100000
Channel 1 average data value: -2675148.986
Channel 1 barycentric correction: 284.397
Channel 1 leap second correction: 64.184
FIT: Type POLYNOMIAL Order 1 Range 0-3563 Error 17.034588
FIT: C0 63159.535156 C1 -0.074488
Channel 1 average data value: 62498.573
Channel 1 barycentric correction: 284.397
Channel 1 leap second correction: 64.184
CHANNEL 2 OPERATIONS
DEAD: Ch 2 Time = 15.00ns Maximum loss is 0.685% at point 110
SKY_SUB: Channel 3 subtracted, smoothed by 9, sky ratio 0.956217
EXTINC: Channel 2 extinction coefficient 0.280000
Channel 2 average data value: 267662.207
Channel 2 barycentric correction: 284.397
Channel 2 leap second correction: 64.184
Channel 2 average data value: 267662.207
Channel 2 barycentric correction: 284.397
Channel 2 leap second correction: 64.184
CHANNEL 3 OPERATIONS
MATH: SUBTRACTION Range 0-38 Value 1163.000000
FIT: Type POLYNOMIAL Order 1 Range 3525-3563 Error 42.001682
FIT: C0 -56232.156250 C1 4.582024
MATH: SUBTRACTION Range 3525-3563 Value 1259.000000
DEAD: Ch 3 Time = 15.00ns Maximum loss is 0.120% at point 3195
Channel 3 average data value: 21868.092
Channel 3 barycentric correction: 284.397
Channel 3 leap second correction: 64.184
Channel 3 average data value: 21868.092
Channel 3 barycentric correction: 284.397
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
36 36
37 37
38 3525
3525 3526
3526 3527
3527 3528
3528 3529
3529 3530
3530 3531
3531 3532
3532 3533
3533 3534
3534 3535
3535 3536
3536 3537
3537 3538
3538 3539
3539 3540
3540 3541
3541 3542
3542 3543
3543 3544
3544 3545
3545 3546
3546 3547
3547 3548
3548 3549
3549 3550
3550 3551
3551 3552
3552 3553
3553 3554
3554 3555
3555 3556
3556 3557
3557 3558
3558 3559
3559 3560
3560 3561
3561 3562
3562 3563
3563
GARBAGE POINTS
CH 1 CH 2 CH 3
========================================================================
39 38 3195
2128 39
2129 3412
2714 3524
2911
2997
3271
3369
3370
3382
3410
3412
3425
3436
3473
3474
3482
3504
3521
3524