vlt-0001a Data Log
/private/automount/Users/wet/xcov24/rxj2117/red/vlt-0001a.datalog: Reduction Log for vlt-0001a.dat
Reducer: wet
File: /private/automount/Users/wet/xcov24/rxj2117/raw/vlt-0001a.dat
File format: XQED data
Reduction date & time: 6 October 2004 15:41:45
Observers: Denise Lorenz
Run name: vlt-0001a.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: 163
TIME INFORMATION
Start Date & time (UT): 3 October 2004 20:15:23.000
End Date & time (UT): 3 October 2004 21:01:28.000
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: Vienna CCD
Photometer type: CCD
Filter: FILTER_OTHER
Aperture size (pixels): 9.000000
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 15:41:45 UTC
SKY SUBTRACTION: Channels 1 2 3 4 5 6
CHANNEL DIVISION: Channels 1 2
EXTINCTION: Channels 1 2
Barycentric correction: (283.064505 : 282.956215)
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 3, 4, 5, smoothing factor 1
EXTINC: Channel 1 extinction coefficient 0.250000
Channel 1 average data value: 16375.403
CHANNEL 2 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
CHAN_DIV: Ch 2 divided by Ch 3, 4, 5, smoothing factor 1
EXTINC: Channel 2 extinction coefficient 0.250000
Channel 2 average data value: 27593.239
CHANNEL 3 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 3 average data value: 24984.730
CHANNEL 4 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 4 average data value: 22248.644
CHANNEL 5 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 5 average data value: 23409.025
CHANNEL 6 OPERATIONS
SKY_SUB: Channel 7 subtracted, smoothed by 1, sky ratio 1.000000
Channel 6 average data value: 144173.221
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
========================================================================
24 1
28 24
32 35
34 36
35 37
36 42
37 43
38 46
43 47
78