“Physics of Sun and Star Spots”
(Issue June 1, 2009)

The IAU Symposium 273 on “Physics of Sun and Star Spots” will be held in Los Angeles during August 23-26, 2010 coinciding with the 400 years of Sunspot observations since Galileo and Harriot, the 100 years of the discovery of sunspot magnetism and the 50 years of discovery of Babcock Model. The symposium will focus on the following topics. Formation and Decay of Sunspots, Solar Magnetism, Origin of Solar Activity, Formation and Evolution of Star Spots, Stellar Magnetism, Star Spots and Stellar Activity, Observational Techniques, Unified Approach in Understanding Sun and Star Spots.

Scientific Organizing Committee: Debi Prasad Choudhary (Co-Chair), USA
Klaus G. Strassmeier (Co-Chair), Germany
Ashoke K. Sen, India
Brigitte Schmieder, France
Carsten Denker, Germany
Cristina Mandrini, Argentina Donald B. Melrose, Australia
Edward Rhodes, USA
Eric Priest, UK
Haimin Wang, USA
Jan O. Stenflo, Switzerland
Karel van der Hucht, Netherlands
Michal Sobotka, Czech Rep
Oddbjorn Engvold, Norway
Siraj Hasan, India
Suzanne Hawley, USA
T. Sakurai, Japan
Z. Hongqi, China

Local Organising Committee:
Ana Cristina Cadavid (Chair)
Angie Cookson
Cristian Damian
Debi Prasad Choudhary
Dora Preminger
Gary Chapman
Jan Dobias
John Hodgson II
John Lawrence

For more information please contact
Debi Prasad Choudhary
California State University Northridge
Phone: 818 677 7113
Debiprasad.choudhary@csun.edu