loi_hs_0409b Data Log

loi_hs_0409b.datalog:  Reduction Log for loi_hs_0409b

Reducer:		Reed Riddle
File:			/wet/xcov23/hs2201/raw/loi_hs_0409b
File format:		Quilt 9
Reduction date & time:	 9 September 2003 21:50:12
Observers:		 marinoni-bernabe
Run name:		loi_hs_0409b
Acquisition software:	Quilt 9
Extraction software:	Quilt 9
Object:			HS 2201+2610
Observatory:		Bologna Astronomical Obs.
Telescope:		1.5m
Number of channels:	3
Number of data points:	1312

	TIME INFORMATION
Start Date & time (UT):	 4 September 2003 23:44:40.000
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:	Loiano TTCP
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:  9 September 2003 21:50:12 UTC
DEAD TIME REDUCTION: Channels 1 2 3 
SKY SUBTRACTION: Channels 1 2 
EXTINCTION: Channels 1 2 
FIT CURVE: Channel 1

	CHANNEL 1 OPERATIONS
DEAD:  Ch 1  Time = 25.00ns Maximum loss is 0.246% at point 1303
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 2.508793
EXTINC:  Channel 1 extinction coefficient 0.410000
Channel 1 average data value: 81721.858
Channel 1 barycentric correction: 410.863
Channel 1 leap second correction: 64.184
FIT: Type POLYNOMIAL Order 1 Range 0-1311 Error 29.020546
FIT: C0 82856.921875 C1 -0.174293
Channel 1 average data value: 81721.861
Channel 1 barycentric correction: 410.863
Channel 1 leap second correction: 64.184

	CHANNEL 2 OPERATIONS
DEAD:  Ch 2  Time = 25.00ns Maximum loss is 2.040% at point 18
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 2.671768
EXTINC:  Channel 2 extinction coefficient 0.250000
Channel 2 average data value: 1018981.089
Channel 2 barycentric correction: 410.863
Channel 2 leap second correction: 64.184
Channel 2 average data value: 1018981.089
Channel 2 barycentric correction: 410.863
Channel 2 leap second correction: 64.184

	CHANNEL 3 OPERATIONS
DEAD:  Ch 3  Time = 25.00ns Maximum loss is 0.066% at point 1311
Channel 3 average data value: 12086.504
Channel 3 barycentric correction: 410.863
Channel 3 leap second correction: 64.184
Channel 3 average data value: 12086.504
Channel 3 barycentric correction: 410.863
Channel 3 leap second correction: 64.184


	SKY POINTS
 CH  1 CH  2 CH  3
========================================================================
  1305  1306      
  1306  1307      
  1307  1308      
  1308  1309      
  1309  1310      
  1310  1311      
  1311            

	GARBAGE POINTS
 CH  1 CH  2 CH  3
========================================================================
   898   898      
   899   899      
   900   900      
   901   901      
  1304   902      
        1304      
        1305