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--- people:spanchap:home [2018/03/10 20:42] – created spanchap
+++ people:spanchap:home [2018/03/12 22:32] (current) – spanchap
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 ====== Subramania Athiray Panchapakesan ======
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- __**Focusing Optics X-ray Solar Imager (//FOXSI//) - Sounding rocket mission**__[[http://foxsi.umn.edu/|FOXSI-3]]
+ __**Research Interests**__ :
+My prime research interests are in the study of high energy phenomena of star- planet systems and associated space-science instrumentation development for space borne experiments.
-//Sounding rocket experiment to perform imaging and spectroscopy of the Sun in hard X-rays (HXR) using direct focusing X-ray optics//.
+ __**Education**__
-  * Lead role in planning and executing tests and calibration of focal plane X-ray detectors for the third flight, //FOXSI//-3.
+PhD - Indian Space Research Organization (**ISRO**) / Indian Institute of Astrophysics (**IIA**), Bangalore, India. - **2015**
-             * 2017 SPIE article on improved calibration for //FOXSI// detectors [[ ]]
-  * Combined differential emission measure (DEM) analysis of solar microflares observed during FOXSI-2 flight using data SDO/AIA and Hinode/XRT.
-              * Preliminary results presented at AGU 2017 [[ ]]
-  * Development of charge transport model to understand spectral response and support calibration data for FOXSI detectors.
-==== __Chandrayaan-1 X-ray Spectrometer (C1XS) - X-ray fluorescence experiment onboard Chandrayaan-1__ ==== ESA/RAL, UK, Indian Space Research Organization. (ISRO), India
+//**Thesis Title **// : Study of lunar surface chemistry using Swept Charge Devices
-//X-ray fluorescence experiment on India's first Moon mission, Chandrayaan-1, to study the surface chemistry of the Moon.//
+----
-  * Development and validation of X-ray Fluorescence (XRF) inversion algorithm x2abundance
+====Projects and Missions : Roles and responsibilities====
-  * X-ray spectral analysis of C1XS data & determination of lunar abundances.
+**Focusing Optics X-ray Solar Imager (//FOXSI//)**[[http://foxsi.umn.edu/|FOXSI-3]] : //Sounding rocket experiment to perform imaging and spectroscopy of the Sun in hard X-rays (HXR) using direct focusing X-ray optics//
+  * **X-ray instrumentation and Team management** : I play a lead role in managing the //FOXSI//-3 detector team at the University of Minnesota. Planning and executing calibration experiments of focal plane X-ray detectors. Participated in the testing and calibration of //FOXSI// X-ray optics at Stray light facility, Marshall space flight center and contributed to the analysis of optics calibration data. Demonstrated an improved way of calibrating //FOXSI// detectors using thin foil X-ray fluorescence.
+             * 2017 SPIE article on improved calibration for //FOXSI// detectors [[https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10397/2273915/Calibration-of-the-hard-x-ray-detectors-for-the-FOXSI/10.1117/12.2273915.short]]
+  * **Solar science** : I study the plasma distribution as a function of temperature for the //FOXSI-2// observed microflare regions. For this work, I perform a combined differential emission measure (DEM) analysis using EUV data from //SDO/AIA//, SXR data from //Hinode/XRT// and HXR data from //FOXSI-2//.
+              * Preliminary investigation results presented at AGU 2017 can be found here [[https://www.researchgate.net/publication/321886590_Combined_DEM_analysis_of_FOXSI-2_microflare_observations]].
+**__Chandrayaan-1 X-ray Spectrometer (C1XS)__** ESA/RAL, UK, ISRO, India : //X-ray fluorescence (XRF) experiment on India's first Moon mission, Chandrayaan-1, to study the surface chemistry of the Moon.//
+  * **Lunar X-ray studies** : I played a major role in the X-ray spectral analysis of C1XS data and determination of lunar surface elemental abundances. I have developed a new XRF inversion algorithm //"x2abundance"// and rigorously validated it using laboratory XRF experiments. My thesis work describes the **first direct evidence of enhanced Sodium surface abundances on the Moon**
               * Link to my PhD thesis [[https://goo.gl/pAk5tV]]
-  * First direct evidence of enhanced Sodium abundances on the lunar surface - C1XS results [[https://goo.gl/pkwXnB]]
+              * First direct evidence of enhanced Sodium abundances on the lunar surface - C1XS results [[https://goo.gl/pkwXnB]]
-  * Nature Asia article on C1XS results - "High surface sodium may rewrite lunar history" - [[https://goo.gl/5d0Bj7]]
+              * Nature Asia article on C1XS results - "High surface sodium may rewrite lunar history" - [[https://goo.gl/5d0Bj7]]
+    *
-==== Chandrayaan-2 X-ray Spectrometer Collaboration ====
+**Chandrayaan-2 X-ray Spectrometer Collaboration **
+**ASTROSAT **:
+----
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   * LPI Career Development Award : Lunar & Planetary Institute, NASA, USRA          : 2014
   * K. D. Abhyankar Best Thesis Presentation Award : Astronomical Society of India. : 2016
-  *
+----
+==== List of publications - source Google Scholar  ====
+[[https://scholar.google.com/citations?hl=en&user=m5O6Dn8AAAAJ&view_op=list_works&sortby=pubdate| Publications feed from Google Scholar ]]
+----
 **Email:** spanchap@.umn.edu, athray@gmail.com

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