gv30804 Data Log

gv30804.datalog:  Reduction Log for gv30804

Reducer:		wet
File:			/wet/xcov23/hs2201/raw/gv30804
File format:		Quilt 9
Reduction date & time:	24 August 2003 14:34:49
Observers:		 GV      
Run name:		gv30804  
Acquisition software:	Quilt 9
Extraction software:	Quilt 9
Object:			HS 2201+2610
Observatory:		Observatoire Haute-Provence
Telescope:		1.93m
Number of channels:	3
Number of data points:	3562

	TIME INFORMATION
Start Date & time (UT):	23 August 2003 22:25:00.000
End Date & time (UT):	24 August 2003 00:00:00.000
Exposure time (s):	5.000000
Readout time (s):	0.000000
Cycle time (s):		0.000000
Drift (s):		0.000000
File time format:	TIME_PMT_SYSTEM

	PHOTOMETER INFORMATION
Photometer name:	Chevreton
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: 24 August 2003 14:34:49 UTC
DEAD TIME REDUCTION: Channels 1 2 3 
SKY SUBTRACTION: Channels 1 2 
EXTINCTION: Channels 1 2 
SKY DIVISION: Channels 1 
FIT CURVE: Channel 1

	CHANNEL 1 OPERATIONS
DEAD:  Ch 1  Time = 15.00ns Maximum loss is 0.162% at point 3521
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 1.194167
EXTINC:  Channel 1 extinction coefficient 0.400000
SKY_DIV:  Ch 1 divided by Ch 1
FIT: Type POLYNOMIAL Order 3 Range 0-3561 Error 9.973238
FIT: C0 45481.011719 C1 -0.016865 C2 0.000009 C3 -0.000000
Channel 1 average data value: 45148.056
Channel 1 barycentric correction: 400.215
Channel 1 leap second correction: 64.184

	CHANNEL 2 OPERATIONS
DEAD:  Ch 2  Time = 15.00ns Maximum loss is 0.212% at point 3523
SKY_SUB:  Channel 3 subtracted, smoothed by 9, sky ratio 1.049075
EXTINC:  Channel 2 extinction coefficient 0.400000
Channel 2 average data value: 77428.841
Channel 2 barycentric correction: 400.215
Channel 2 leap second correction: 64.184

	CHANNEL 3 OPERATIONS
DEAD:  Ch 3  Time = 15.00ns Maximum loss is 0.078% at point 3559
Channel 3 average data value: 16770.501
Channel 3 barycentric correction: 400.215
Channel 3 leap second correction: 64.184


	SKY POINTS
 CH  1 CH  2 CH  3
========================================================================
     0     0      
     1     1      
     2     2      
     3     3      
     4     4      
     5     5      
     6     6      
     7     7      
     8     8      
     9     9      
    10    10      
    11    11      
    12    12      
    13    13      
    14    14      
    15    15      
    16    16      
    17    17      
    18    18      
    19    19      
    20    20      
    21    21      
    22    22      
    23    23      
    24    24      
    25    25      
    26    26      
    27    27      
    28    28      
    29    29      
    30    30      
    31    31      
    32    32      
    33    33      
    34    34      
    35    35      
    36    36      
  3527    37      
  3528  3527      
  3529  3528      
  3530  3529      
  3531  3530      
  3532  3531      
  3533  3532      
  3534  3533      
  3535  3534      
  3536  3535      
  3537  3536      
  3538  3537      
  3539  3538      
  3540  3539      
  3541  3540      
  3542  3541      
  3543  3542      
  3544  3543      
  3545  3544      
  3546  3545      
  3547  3546      
  3548  3547      
  3549  3548      
  3550  3549      
  3551  3550      
  3552  3551      
  3553  3552      
  3554  3553      
  3555  3554      
  3556  3555      
  3557  3556      
  3558  3557      
  3559  3558      
  3560  3559      
  3561  3560      
        3561      

	GARBAGE POINTS
 CH  1 CH  2 CH  3
========================================================================
    37    38      
    38    39      
    39    40      
    40  3524      
  3524  3525      
  3525  3526      
  3526