lulin-0014 Data Log
/private/automount/Users/wet/xcov24/pg0048/red/lulin-0014.datalog: Reduction Log for lulin-0014
Reducer: wet
File: /private/automount/Users/wet/xcov24/pg0048/raw/lulin-0014
File format: XQED data
Reduction date & time: 18 October 2004 21:20:43
Observers: Hsu-Tai Lee, K. Sanchawala, YP Chen
Run name: lulin-0014
Acquisition software: UNKNOWN
Extraction software: UNKNOWN
Object: PG 0048+091
Observatory: Lulin Observatory
Telescope: 1.0m
Number of channels: 4
Number of data points: 313
TIME INFORMATION
Start Date & time (UT): 18 October 2004 17:16:39.000
End Date & time (UT): 18 October 2004 19:43:14.000
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: 18 October 2004 21:20:43 UTC
SKY SUBTRACTION: Channels 1 3 4
CHANNEL DIVISION: Channels 1
UNDO: All markings undone in Channel 1!
UNDO: SKY DIVISION undone in Channel 1!
UNDO: All markings undone in Channel 1!
CHANNEL DIVISION: Channels 1
FIT CURVE: Channel 1
Barycentric correction: (490.262974 : 490.093921)
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 all comparison channels, smoothing factor 1
FIT: Type POLYNOMIAL Order 3 Range 0-312 Error 71.376155
FIT: C0 101100.769961 C1 -0.864245 C2 0.000084 C3 -0.000000
Channel 1 average data value: 98235.791
CHANNEL 2 OPERATIONS
Channel 2 average data value: 114613.995
CHANNEL 3 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
Channel 3 average data value: 19528.595
CHANNEL 4 OPERATIONS
SKY_SUB: Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
Channel 4 average data value: 37139.532
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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50
287
289