lulin-0003 Data Log
/private/automount/Users/wet/xcov24/pg0048/red/lulin-0003.datalog: Reduction Log for lulin-0003
Reducer: wet
File: /private/automount/Users/wet/xcov24/pg0048/raw/lulin-0003
File format: XQED data
Reduction date & time: 14 October 2004 00:40:20
Observers: CW Chen, WS Hsiao
Run name: lulin-0003
Acquisition software: UNKNOWN
Extraction software: UNKNOWN
Object: PG0048
Observatory: Lulin Observatory
Telescope: 1.0m
Number of channels: 4
Number of data points: 377
TIME INFORMATION
Start Date & time (UT): 13 October 2004 17:51:47.000
End Date & time (UT): 13 October 2004 20:03:02.000
Exposure time (s): 10.000000
Readout time (s): 0.000000
Cycle time (s): 0.000000
Drift (s): 0.000000
File time format: FITS_FORMAT
PHOTOMETER INFORMATION
Photometer name: Generic CCD
Photometer type: CCD
Filter: FILTER_CLEAR
Aperture size (pixels): 0.000000
Aperture shape: SQUARE
CHANNEL INFORMATION
Channel 1
TYPE: Data AP SCALE: 1.0000 SKY: Channel 2
Channel 2
TYPE: Sky AP SCALE: 1.0000 SMOOTHING: 1
Channel 3
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 2
Channel 4
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 2
REDUCTION OPERATIONS SUMMARY
Reduction started: 14 October 2004 00:40:20 UTC
SKY SUBTRACTION: Channels 1 3 4
CHANNEL DIVISION: Channels 1
FIT CURVE: Channel 1
CHANNEL DIVISION: Channels 4
FIT CURVE: Channel 4
Barycentric correction: (496.665103 : 496.580756)
Leap second correction: (64.184 : 64.184)
CHANNEL 1 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
CHAN_DIV: Ch 1 divided by Ch 4, smoothing factor 1
FIT: Type POLYNOMIAL Order 2 Range 0-376 Error 44.876164
FIT: C0 119301.827727 C1 -0.023030 C2 -0.000082
Channel 1 average data value: 117445.778
CHANNEL 2 OPERATIONS
Channel 2 average data value: 85196.285
CHANNEL 3 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
Channel 3 average data value: 23735.157
CHANNEL 4 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
CHAN_DIV: Ch 4 divided by Ch 3, smoothing factor 0
FIT: Type POLYNOMIAL Order 2 Range 0-376 Error 194.924119
FIT: C0 227318.008448 C1 2.149025 C2 -0.000249
Channel 4 average data value: 230711.304
SKY POINTS
CH 1 CH 2 CH 3 CH 4
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GARBAGE POINTS
CH 1 CH 2 CH 3 CH 4
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1 1
2 2
3 3
4 4
5 5
6 6
7 7
127 127
197