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K. S. Balasubramaniam

Interests

Structure and evolution of solar magnetic fields; Solar activity; Stokes spectropolarimetry, polarized radiative transfer and dynamics of magnetic fields in solar atmosphere; Solar sources of space weather; Solar telescopes and Instrumentation for high resolution imaging, spectropolarimetry, and synoptic imaging.

EMPLOYMENT HISTORY:

• May 2000 - June 2007, Associate Astronomer, National Solar Observatory, Sunspot NM


• Aug 1999 - April 2000. Senior Analyst DRW Investments, Chicago, IL


• Jun 1991 - Aug 1999. Assistant Scientist (1991 - 1998) & Associate Scientist
  (1998-1999, National Solar Observatory & USAF/AFRL Research Labs, Sunspot, NM)


• Jun 1989 - May 1991. NRC Research Associate, NASA Marshall Space Flight Center, Huntsville, AL

EDUCATION:

• Ph. D. 1989 - Stokes Polarimetry and the Measurement of Vector Magnetic Fields Indian Institute of Science and Indian Institute of Astrophysics, Bangalore, India

SELECTED PUBLICATIONS:

• Imaging Spectroscopy of a Sunspot: Thermal and Velocity Structure. Balasubramaniam, K. S. 2007, ApJ, 575, 553.


• Spectral Diagnostics of Chromospheres - A Signature of Emergent Magnetic Flux. Balasubramaniam, K. S. 2001, ApJ 557, 366.


• Statistical Properties of H? Superpenumbral Filaments. Balasubramaniam, K. S. Pevtsov, A. A & Rogers, J. 2003, ApJ, 595, 500.


• Promises and Pitfalls of Solar Ha Zeeman Spectropolarimetry Balasubramaniam, K. S., Christopoulou, E. B., & Uitenbroek, H. 2004, ApJ, 606, 1230.


• Sequential Chromospheric Brightenings Beneath a Transequatorial Halo CME Balasubramaniam, K. S., Pevtsov, A. A., Neidig, D. F., Cliver, E. W., Thompson, B. J., Young, C. A.,Martin, S. F., & Kiplinger A. 2005, ApJ. Volume 630, 1160.


• Evidence for Siphon Flows Ending Near the Edge of a Pore Uitenbroek, H. & Balasubramaniam, K. S. & Tritschler, A. 2006, The ApJ. 645, 776.