vlt-0003 Data Log
/private/automount/Users/wet/xcov24/rxj2117/raw/vlt-0003.dat.datalog: Reduction Log for vlt-0003.dat
Reducer: wet
File: /private/automount/Users/wet/xcov24/rxj2117/raw/vlt-0003.dat
File format: XQED data
Reduction date & time: 6 October 2004 20:20:44
Observers: Bruno Steininger
Run name: vlt-0003.dat
Acquisition software: MaxIm DL
Extraction software: IRAF APPHOT
Object: RXJ 2117+3412
Observatory: Vienna Observatory
Telescope: Vienna Little Telescope
Number of channels: 7
Number of data points: 1075
TIME INFORMATION
Start Date & time (UT): 5 October 2004 17:14:21.000
End Date & time (UT): 5 October 2004 23:24:44.000
Exposure time (s): 15.000000
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_OTHER
Aperture size (pixels): 6.000000
Aperture shape: ANNULAR
CHANNEL INFORMATION
Channel 1
TYPE: Data AP SCALE: 1.0000 SKY: Channel 7
Channel 2
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 7
Channel 3
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 7
Channel 4
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 7
Channel 5
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 7
Channel 6
TYPE: Comparison AP SCALE: 1.0000 SKY: Channel 7
Channel 7
TYPE: Sky AP SCALE: 1.0000 SMOOTHING: 1
REDUCTION OPERATIONS SUMMARY
Reduction started: 6 October 2004 20:20:44 UTC
SKY SUBTRACTION: Channels 1 2 3 4 5 6
CHANNEL DIVISION: Channels 1 2
EXTINCTION: Channels 1
FIT CURVE: Channel 2
FIT CURVE: Channel 1
Barycentric correction: (276.579459 : 275.666953)
Leap second correction: (64.184 : 64.184)
CHANNEL 1 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
CHAN_DIV: Ch 1 divided by Ch 2, 4, smoothing factor 1
EXTINC: Channel 1 extinction coefficient 0.110000
FIT: Type POLYNOMIAL Order 4 Range 0-1074 Error 4.381354
FIT: C0 20181.006428 C1 0.123826 C2 -0.000021 C3 0.000000 C4 -0.000000
Channel 1 average data value: 20404.373
CHANNEL 2 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
CHAN_DIV: Ch 2 divided by Ch 4, smoothing factor 1
FIT: Type POLYNOMIAL Order 4 Range 0-1074 Error 3.808886
FIT: C0 31857.038466 C1 -0.161100 C2 0.000026 C3 -0.000000 C4 0.000000
Channel 2 average data value: 31636.865
CHANNEL 3 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 3 average data value: 36310.253
CHANNEL 4 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 4 average data value: 32137.882
CHANNEL 5 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 5 average data value: 34043.857
CHANNEL 6 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 6 average data value: 205406.213
CHANNEL 7 OPERATIONS
Channel 7 average data value: 0.000
SKY POINTS
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7
========================================================================
GARBAGE POINTS
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7
========================================================================
49 294
373 307
926 950
974 957
975 959
979 973
1073 974
975
1039
1043
1047
1061
1063
1064