phot082603 Data Log

phot082603s.datalog:  Reduction Log for phot082603s.out

Reducer:		Reed Riddle
File:			/wet/xcov23/kpd1930/raw/phot082603s.out
File format:		XQED data
Reduction date & time:	26 August 2003 22:08:53
Observers:		Judi Provencal , Danny Childers, Jack Fisher , Alyssi ChurchY
Run name:		phot082603.txt 
Acquisition software:	CCDSOFT V4
Extraction software:	AIP4WIN 
Object:			KPD 1930+2752
Observatory:		Mt. Cuba Observatory
Telescope:		0.6m
Number of channels:	4
Number of data points:	1706

	TIME INFORMATION
Start Date & time (UT):	26 August 2003 00:23:31.000
End Date & time (UT):	26 August 2003 07:01:26.000
Exposure time (s):	10.000000
Readout time (s):	3.750000
Cycle time (s):		43.750000
Drift (s):		8.500000
File time format:	TIME_FITS_FORMAT

	PHOTOMETER INFORMATION
Photometer name:	Mt. Cuba Ap7p CCD
Photometer type:	CCD
Filter:			CLEAR
Aperture setup:		One sky for all apertures
Aperture size (pixels):	5.400000
Aperture shape:		ANNULAR
Aperture scaling:	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 2
Channel 4:	COMP CHANNEL	SKY:  Channel 2

	REDUCTION OPERATIONS SUMMARY
Reduction started: 26 August 2003 22:08:53 UTC
SKY SUBTRACTION: Channels 1 3 4 
SKY DIVISION: Channels 1 4 
UNDO:  SKY DIVISION undone in Channel 1!
UNDO:  SKY DIVISION undone in Channel 4!
EXTINCTION: Channels 1 3 4 
SKY DIVISION: Channels 1 
FIT CURVE: Channel 1

	CHANNEL 1 OPERATIONS
SKY_SUB:  Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 1 extinction coefficient 0.350000
SKY_DIV:  Ch 1 divided by all comparison channels, smoothing factor 1
FIT: Type POLYNOMIAL Order 1 Range 0-1705 Error 18.705408
FIT: C0 26554.960938 C1 -0.100565
Channel 1 average data value: 25294.380
Channel 1 barycentric correction: 286.899
Channel 1 leap second correction: 64.184

	CHANNEL 2 OPERATIONS
Channel 2 average data value: 1108.097
Channel 2 barycentric correction: 286.899
Channel 2 leap second correction: 64.184

	CHANNEL 3 OPERATIONS
SKY_SUB:  Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 3 extinction coefficient 0.350000
Channel 3 average data value: 27528.440
Channel 3 barycentric correction: 286.899
Channel 3 leap second correction: 64.184

	CHANNEL 4 OPERATIONS
SKY_SUB:  Channel 2 subtracted, smoothed by 1, sky ratio 1.000000
EXTINC:  Channel 4 extinction coefficient 0.350000
Channel 4 average data value: 95928.417
Channel 4 barycentric correction: 286.899
Channel 4 leap second correction: 64.184


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

	GARBAGE POINTS
 CH  1 CH  2 CH  3 CH  4
========================================================================
     2         545      
     7         596      
    14         619      
    37         637      
    62         638      
   563         639      
   595         661      
   596         730      
   617         731      
   619         788      
   620         981      
   622        1206      
   632        1207      
   637        1660      
   638        1661      
   639        1662      
   648        1663      
   650        1666      
   661        1689      
   663                  
   665                  
   823                  
  1417                  
  1419                  
  1420                  
  1421                  
  1422                  
  1424                  
  1454