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