au3103q1 Data Log

au3103q1.datalog:  Reduction Log for au3103q1

Reducer:		Reed Riddle
File:			/wet/xcov23/g2938/raw/au3103q1
File format:		Quilt 9
Reduction date & time:	 4 September 2003 21:00:05
Observers:		 djs                
Run name:		au3103q1
Acquisition software:	Quilt 9
Extraction software:	Quilt 9
Object:			G 29-38
Observatory:		Siding Springs Observatory
Telescope:		1.0m
Number of channels:	3
Number of data points:	635

	TIME INFORMATION
Start Date & time (UT):	31 August 2003 17:37:20.000
Exposure time (s):	10.000000
Readout time (s):	0.000000
Cycle time (s):		0.000000
Drift (s):		0.000000
File time format:	TIME_PMT_SYSTEM

	PHOTOMETER INFORMATION
Photometer name:	VUW3ch
Photometer type:	PMT
Filter:			CLEAR
Aperture setup:		One sky for all apertures
Aperture size (pixels):	0.000000
Aperture shape:		Circle
Aperture scaling:	1.00 1.00 1.00 

	CHANNEL INFORMATION
Channel 1:	DATA CHANNEL	SKY:  Channel 3
Channel 2:	COMP CHANNEL	SKY:  Channel 3
Channel 3:	SKY CHANNEL	Smoothing: 9

	REDUCTION OPERATIONS SUMMARY
Reduction started:  4 September 2003 21:00:05 UTC
MATH: SUBTRACTION Channel 3
DEAD TIME REDUCTION: Channels 1 2 3 
SKY SUBTRACTION: Channels 1 2 
SKY DIVISION: Channels 1 
EXTINCTION: Channels 2 

	CHANNEL 1 OPERATIONS
DEAD:  Ch 1  Time = 30.00ns Maximum loss is 0.302% at point 634
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 0.980681
SKY_DIV:  Ch 1 divided by all comparison channels, smoothing factor 1
Channel 1 average data value: 20405.478
Channel 1 barycentric correction: 478.525
Channel 1 leap second correction: 64.184

	CHANNEL 2 OPERATIONS
DEAD:  Ch 2  Time = 30.00ns Maximum loss is 0.738% at point 22
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 0.792913
EXTINC:  Channel 2 extinction coefficient 0.210000
Channel 2 average data value: 303037.848
Channel 2 barycentric correction: 478.525
Channel 2 leap second correction: 64.184

	CHANNEL 3 OPERATIONS
MATH: SUBTRACTION Range 197-197 Value 200.000000
DEAD:  Ch 3  Time = 30.00ns Maximum loss is 0.269% at point 634
Channel 3 average data value: 16775.252
Channel 3 barycentric correction: 478.525
Channel 3 leap second correction: 64.184


	SKY POINTS
 CH  1 CH  2 CH  3
========================================================================
   192   192      
   193   193      
   194   194      
   195   195      
   196   196      
   197            

	GARBAGE POINTS
 CH  1 CH  2 CH  3
========================================================================
   190            
   191            
   198            
   199            
   269            
   270            
   615            
   616            
   617            
   618            
   619            
   620            
   621            
   622            
   623            
   624            
   625            
   626            
   627            
   628            
   629            
   630            
   631            
   632            
   633            
   634