Peter Gilman

Mausumi Dikpati Publication is Featured by AAS Nova

Photographic image of Mausumi Dikpati, senior scientist at HAO

A recent publication by Mausumi Dikpati was featured by AAS Nova in November 2020.

Congratulations to Peter Gilman, elected AAS Legacy fellow!

Photographic image of Peter Gilman

Senior Scientist Emeritus Peter Gilman has received the newly established Fellow of the American Astronomical Society (AAS) award.

Peter Gilman, HAO Senior Scientist Emeritus, receives AAS Legacy Fellowship

Peter Gilman, HAO Senior Scientist Emeritus

Peter Gilman, HAO Senior Scientist Emeritus, has been chosen by the American Astronomical Society to be a Legacy Fellow, or member of the first class of Fellows the AAS has chosen. He joins about 200 other members of the AAS, out of a total membership of about 9000, receiving this honor.

Role of Interaction Between Magnetic Rossby Waves and Tachocline Differential Rotation in Producing Solar Seasons

Synoptic maps
Wednesday, January 24, 2018

Mausumi Dikpati presents a nonlinear magnetohydrodynamic shallow-water model for the solar tachocline (MHD-SWT) that generates quasi-periodic tachocline nonlinear oscillations (TNOs) that can be identified with the recently discovered solar 'seasons'.

Magnetic Buoyancy and Rotational Instabilities in the Tachocline

Instability domains in low and middle latitudes
Wednesday, January 17, 2018

Peter Gilman presents results from an analytical model for magnetic buoyancy and ro­tational instabilities in a full spherical shell tachocline that includes rotation. differential rotation close to that observed helioseismicly, and toroidal field.

Peter Gilman

Peter Gilman is a Senior Scientist Emeritus in the High Altitude Observatory at NCAR specializing in the fluid dynamics and magneto-fluid dynamics of the Sun and stars. His current interest focuses on the hydrodynamics and magneto hydrodynamics of the solar tachocline.

Identifying the Beginnings and Ends of Solar Cycles

Sun surface simulations image
Wednesday, January 4, 2012

HAO scientist's Mausumi Dikpati, Peter Gilman, Giuliana de Toma, and UCLA professor Roger Ulrich find that the latitude at which plasma sinking occurs is very important.

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