gv30802 Data Log
gv30802.datalog: Reduction Log for gv30802
Reducer: wet
File: /wet/xcov23/hs2201/raw/gv30802
File format: Quilt 9
Reduction date & time: 23 August 2003 20:23:08
Observers: G.V.
Run name: gv30802
Acquisition software: Quilt 9
Extraction software: Quilt 9
Object: HS 2201+2610
Observatory: Observatoire Haute-Provence
Telescope: 1.93m
Number of channels: 3
Number of data points: 1784
TIME INFORMATION
Start Date & time (UT): 23 August 2003 00:35:00.000
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: 4
REDUCTION OPERATIONS SUMMARY
Reduction started: 23 August 2003 20:23:08 UTC
MATH: SUBTRACTION Channel 3
DEAD TIME REDUCTION: Channels 1 2 3
SKY SUBTRACTION: Channels 1 2
EXTINCTION: Channels 1 2
FIT CURVE: Channel 1
CHANNEL 1 OPERATIONS
DEAD: Ch 1 Time = 15.00ns Maximum loss is 0.169% at point 1703
SKY_SUB: Channel 3 subtracted, smoothed by 4, sky ratio 1.104450
EXTINC: Channel 1 extinction coefficient 0.270000
FIT: Type POLYNOMIAL Order 1 Range 0-1783 Error 11.918919
FIT: C0 40138.910156 C1 -0.058251
Channel 1 average data value: 39879.255
Channel 1 barycentric correction: 398.726
Channel 1 leap second correction: 64.184
CHANNEL 2 OPERATIONS
DEAD: Ch 2 Time = 15.00ns Maximum loss is 0.554% at point 1075
SKY_SUB: Channel 3 subtracted, smoothed by 4, sky ratio 2.272576
EXTINC: Channel 2 extinction coefficient 0.250000
Channel 2 average data value: 170397.931
Channel 2 barycentric correction: 398.726
Channel 2 leap second correction: 64.184
CHANNEL 3 OPERATIONS
MATH: SUBTRACTION Range 0-38 Value 2060.000000
DEAD: Ch 3 Time = 15.00ns Maximum loss is 0.077% at point 1783
Channel 3 average data value: 22159.370
Channel 3 barycentric correction: 398.726
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
1745 1745
1746 1746
1747 1747
1748 1748
1749 1749
1750 1750
1751 1751
1752 1752
1753 1753
1754 1754
1755 1755
1756 1756
1757 1757
1758 1758
1759 1759
1760 1760
1761 1761
1762 1762
1763 1763
1764 1764
1765 1765
1766 1766
1767 1767
1768 1768
1769 1769
1770 1770
1771 1771
1772 1772
1773 1773
1774 1774
1775 1775
1776 1776
1777 1777
1778 1778
1779 1779
1780 1780
1781 1781
1782 1782
1783 1783
GARBAGE POINTS
CH 1 CH 2 CH 3
========================================================================
38 38
1744 1583
1584
1685
1694
1698
1699
1712
1715
1716
1717
1718
1736
1737
1738
1739
1740
1741
1742
1743
1744