Hercules A

Hercules A
Radio-Optical View of the Galaxy Hercules A - Many thanks to: NASA, ESA, S. Baum and C. O'Dea (RIT), R. Perley and W. Cotton (NRAO/AUI/NSF), and the Hubble Heritage Team (STScI/AURA)

Thursday, May 31, 2012

Near real time images of the whole sky, at 74 MHz, from the Long Wavelength Array First Station, near the center of the Very Large Array in New Mexico

"Catching big waves with small blades"

I refer to:
The images update every few seconds, with a 30 second processing delay.

On the left is a total intensity image, on the right a circular polarized image. The dashed line marks the plane of the Milky Way. The images may show totally unexpected transient radio sources and interference. There is an archive of daily movies (not always available), starting September 2011.

Below, with many thanks to Gregg Taylor, University of New Mexico, and the Long Wavelength Array Collaboration, some slides from a recent presentation at the American Astronomical Society meeting in Austin Texas: