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