WEEK
SIX
July
6, 2009
Started
to analyze each spectrum from each detector. Since I'm starting
this process I have questions on this new method.
-Do
I
continue to fit the thermal, two Gaussian and the broken power
and then take an average temperature over the nine detectors?
-Is
there a different component or new components I can use ?
Hopefully
I will be able to talk to Kim Tolbert
and Brian Dennis at Goddard .
Until
then this is my results for Detectors 3 and 4 with various
combinations of components:
Detector 3
Impulsive
Phase
Time
Interval: 1:54:40-1:55
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Pre-Peak
Time
Interval: 2:00:00- 2:00:20
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Peak
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Decay Phase
Time Interval: 2:04-2:04:20
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Detector 4
Time
Interval: 1:54:40-1:55
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Time Interval
2:00-2:00:20
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I made another spectrum with a sum of all detectors.
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July
8, 2009
Today has
been very successful! I was able to talk to several people
from Goddard to give Angela and I the latest method to analyze the
spectroscopy from RHESSI. I learned that I should start analyzing
detectors three and four since they have a higher resolution compared
to the other seven.
-Start to fit
the energy range at 6 keV in attenuators A1 and A3.
(Thats
perfect since all time intervals I selected are in A1 and
A3 states)
-Continuing
to use the thermal component (for more information click
here )but
use the setting full
instead of continuum.
* Do not have to use a Gaussian for the iron and
iron/nickel line but do need it to model the k escape of the satellite.
Use Gaussian line around 8-8.5 and 10.5-11 keV
-If using a
second thermal component use continuum. CORRECTION: use full for both
thermal components. Issue with this is the third parameter may differ
but keep them fixed.
****Question: Will I still need to add the Gaussian
line for the iron and iron/nickel line if the first thermal component
is set to full and takes in account those ions??
Answer: No.
-Need to use
a special component when analyzing the spectrum from each
individual detector called Drm_mod
**If count
rate is high use pileup_mode component. Pile up peak is in
A0 right before attenuator change into A1 and does not pile up in A3.
-Instead of
using the broken power law I will be using Thick2
Thick
target Bremsstrahlung x-ray spectrum from an isotropic electron
distribution.
These are my
new results:
Detector 3
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Next I want to add an additional
component to time interval beyond
01:57:40.
July 9, 2009
I
finally fixed the issue with the TRACE MDI align and continued
to
analyze the spectrum of my flare.
Using a
nonthermal component and thermal components to track the time
interval when the nonthermal line does not fit.
Interval: 2-17
Time: 1:55:40- 2:01:00
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X
:)
X
X
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X
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X
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X
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X
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X
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X
July
10, 2009
Interval: 18-30
Times:2:00:00 -2:06:00
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