'Visibilities' presentation slideshows

Imaging and deconvolution

Imaging and deconvolution. Sanjay Bhatnagar, NRAO. Plan for the lecture-I. How do we go from the measurement of the coherence function (the Visibilities) to the images of the sky? First half of the lecture: Imaging Measured Visibilities ? Dirty Image ?.

813 views • 62 slides

February 9-10th 2010

February 9-10th 2010. Setup.

540 views • 44 slides

X-RAY IMAGING PRACTICUM

X-RAY IMAGING PRACTICUM. Brian Dennis, GSFC Gordon Hurford, UCB. X-RAY IMAGING PRACTICUM. Objectives Intuitive perspective on RMC imaging Introduction to some real-world hardware and design considerations

568 views • 43 slides

Introduction to Visibilities

231 views • 23 slides

MWC 297 Data Reduction

MWC 297 Data Reduction. M. Benisty, F. Malbet (LAOG) S. Kraus (MPIfR). Initial conditions. Commissioning Data from COM1: No spectral calibration Initial bad pixel maps 2T data only 31ms and 107ms data set Amdlib v0.106 and Fourier software at MPIfR Spectral range: 2100-2230nm

292 views • 18 slides

The RHESSI Imaging Concept

The RHESSI Imaging Concept. Rick Pernak Laboratory for Solar and Space Physics Goddard Space Flight Center And The Catholic University of America. RHESSI. NASA SMEX mission Designed to observe solar flares in X-rays and Gamma Rays Unprecedented Resolution Spatial Spectral Temporal

290 views • 18 slides

RHESSI Visibilities

RHESSI Visibilities. Gordon Hurford, Ed Schmahl, Richard Schwartz 1 April 2005. A visibility is the calibrated measurement of a single Fourier component of the source. Measured spatial frequency (arcsec -1 ): Magnitude determined by the angular pitch of the grid.

258 views • 16 slides

AMBER Data Reduction Software Version 2.0

220 views • 8 slides