lna082203.run2 Data Log

lna082203.run2.datalog:  Reduction Log for lna082203.run2

Reducer:		Reed Riddle
File:			/wet/xcov23/g2938/raw/lna082203.run2
File format:		XQED data
Reduction date & time:	24 August 2003 00:13:44
Observers:		Luciano Fraga
Run name:		lna082203.run2
Acquisition software:	ccd_rap
Extraction software:	IRAF hsp_ol
Object:			G 29-38
Observatory:		LNA (Brazil) Observatory
Telescope:		1.6m
Number of channels:	6
Number of data points:	2288

	TIME INFORMATION
Start Date & time (UT):	23 August 2003 02:04:21.180
End Date & time (UT):	23 August 2003 08:27:23.000
Exposure time (s):	10.000000
Readout time (s):	0.000000
Cycle time (s):		10.000000
Drift (s):		0.000000
File time format:	TIME_FITS_FORMAT

	PHOTOMETER INFORMATION
Photometer name:	Brazil CCD
Photometer type:	CCD
Filter:			CLEAR
Aperture setup:		One sky for all apertures
Aperture size (pixels):	0.000000
Aperture shape:		ANNULAR 
Aperture scaling:	1.00 1.00 1.00 1.00 1.00 1.00 

	CHANNEL INFORMATION
Channel 1:	DATA CHANNEL	SKY:  Channel 2
Channel 2:	SKY CHANNEL	Smoothing: 1
Channel 3:	COMP CHANNEL	SKY:  Channel 4
Channel 4:	SKY CHANNEL	Smoothing: 1
Channel 5:	COMP CHANNEL	SKY:  Channel 6
Channel 6:	SKY CHANNEL	Smoothing: 1

	REDUCTION OPERATIONS SUMMARY
Reduction started: 24 August 2003 00:13:44 UTC
SKY SUBTRACTION: Channels 1 3 5 
EXTINCTION: Channels 1 3 5 
SKY DIVISION: Channels 1 
UNDO:  All markings undone in Channel 6!

	CHANNEL 1 OPERATIONS
SKY_SUB:  Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 1 extinction coefficient 0.250000
SKY_DIV:  Ch 1 divided by Ch 2
Channel 1 average data value: 15456.610
Channel 1 barycentric correction: 453.049
Channel 1 leap second correction: 64.184

	CHANNEL 2 OPERATIONS
Channel 2 average data value: 2649.829
Channel 2 barycentric correction: 453.049
Channel 2 leap second correction: 64.184

	CHANNEL 3 OPERATIONS
SKY_SUB:  Channel 4 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 3 extinction coefficient 0.250000
Channel 3 average data value: 2446.987
Channel 3 barycentric correction: 453.049
Channel 3 leap second correction: 64.184

	CHANNEL 4 OPERATIONS
Channel 4 average data value: 2948.793
Channel 4 barycentric correction: 453.049
Channel 4 leap second correction: 64.184

	CHANNEL 5 OPERATIONS
SKY_SUB:  Channel 6 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 5 extinction coefficient 0.250000
Channel 5 average data value: 1218.743
Channel 5 barycentric correction: 453.049
Channel 5 leap second correction: 64.184

	CHANNEL 6 OPERATIONS
Channel 6 average data value: 2656.940
Channel 6 barycentric correction: 453.049
Channel 6 leap second correction: 64.184


	SKY POINTS
 CH  1 CH  2 CH  3 CH  4 CH  5 CH  6
========================================================================

	GARBAGE POINTS
 CH  1 CH  2 CH  3 CH  4 CH  5 CH  6
========================================================================
   249   142   142                  
  2119         156                  
               201                  
               249