Chaucer Results\

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2984 Chaucer is predicted to occult a magnitude 8.3 star in Gemini early on November 22nd 2016 PST in a rather uncertain prediction...

 
The Results - Video reduced at the Frame Level
Limovie..

The Lightcurve..

 

Disappearance is at 10h 37m 32.083s +/-0.01s

Reappearance is at 10h 37m 34.986s +/-0.01s

 
AOTA Results .. (AOTA is part of OCCULT)

AOTA analysis of the file C:\Users\BREIT IDEAS Obs\Videos\Chaucer.csv
- analysed on Wednesday, November 23, 2016 at 9:17 PM UTC
- using AOTA v4.2.5.0
Event #1
  Event location in video frame ID's
   D: 1365.0  +0.5/-0.5
   R: 1452.0  +0.5/-0.5
  Event time in UTC
   D: 10 37 32.07  0.02
   R: 10 37 34.97  0.02
  Duration of transition in frames
   D: 10
   R: 6
  SN at event locations
   D: 43.7
   R: 48.8
   Ave: 46.3
  Applied confidence level
   D: 90 %
   R: 90 %
===== Camera details =====
Camera                 : WAT-902H2 Ultimate
Frames integrated      : 0
Video system           : NTSC
Camera delays have been applied by AOTA to the times
==== Measurement info ====
Measurement tool       : Limovie
Measured at Field level: False
# Measurements binned  : 1
Normalisation          : None
Time scale from tool   : True
===== end of report ======

 

Now we will measure to the field level of the video..
Limovie..

The Lightcurve..

 

Disappearance is at 10h 37m 32.100s +/- 0.01s

 

Reappearance is at 10h 37m 35.003s +/- 0.01s

 

AOTA ..

AOTA analysis of the file C:\Users\BREIT IDEAS Obs\Videos\Chaucer_Fields.csv
- analysed on Thursday, November 24, 2016 at 9:22 PM UTC
- using AOTA v4.2.5.0
Event #1
  Event location in video frame ID's
   D: 1366.5  +0.5/-0.5
   R: 1452.5  +1.5/-0.5
  Event time in UTC
   D: 10 37 32.10  0.01
   R: 10 37 34.98  0.02
  Duration of transition in frames
   D: 10
   R: 10
  SN at event locations
   D: 30.6
   R: 34.0
   Ave: 32.3
  Applied confidence level
   D: 90 %
   R: 90 %
===== Camera details =====

 

Occular 

 

ROTE

Computations results
star used: Limb darkening using sqrt law [this is a large star with limb darkening verified by R-OTE analysis]
 
confidence level: 99.73 percent in use (3 sigma)
 
D (frame num: referenced to input frame numbers) = 2731.01 (+/-) 0.375
R (frame num: referenced to input frame numbers) = 2904.62 (+/-) 0.287
 
D  (seconds) =  45.562434 + 0.000000 (camera delay) - 0.016700 (VTI offset) = 45.545734 (+/-) 0.006253   @ 2016-11-22 10:37:32.082733
R  (seconds) =  48.458744 + 0.000000 (camera delay) - 0.016700 (VTI offset) = 48.442044 (+/-) 0.004795   @ 2016-11-22 10:37:34.979043
[note:  error bars are included in above EOD analysis]
 
duration (readings) = 173.61 (+/-) 0.472
 
duration  (seconds) =   2.896310 (+/-) 0.008
 
Dbegin   (frame num: referenced to input frame numbers) =  2718.58 (+/-) 0.375   @ 2016-11-22 10:37:31.875259 (with cameraDelay and VTIoffset)
Dend     (frame num: referenced to input frame numbers) =  2743.45 (+/-) 0.375   @ 2016-11-22 10:37:32.290207 (with cameraDelay and VTIoffset)
Rbegin   (frame num: referenced to input frame numbers) =  2897.50 (+/-) 0.287   @ 2016-11-22 10:37:34.860258 (with cameraDelay and VTIoffset)
Rend     (frame num: referenced to input frame numbers) =  2911.74 (+/-) 0.287   @ 2016-11-22 10:37:35.097828 (with cameraDelay and VTIoffset)
 
Istar =     991.19 (+/-) 2.098
Iast  =       1.27 (+/-) 1.678
 
logLikelihood =  -26271.49
 
nominal magDrop =  7.23 [very close to predicted 7.1]
maximum magDrop =  0.00
minimum magDrop =  6.32
 
Bnoise   =    48.56
Anoise   =    11.94
SNR      = 20.41 [very clean light curve]
symmetry = 0.25

 

OCCULT Profile..

 

See the Video.. Raise the brightness and TURN DOWN THE VOLUME.. Click HERE 2MB

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