Credit - Pascal Bastien

NRAO Image Contest Winner October 2020

- Image contest winners - NGC 4666 honorable mention (english)

 

The magnetic field structure of galaxy NGC 4666

Credit: Y. Stein (CDS, Ruhr U.), NRAO/AUI/NSF, HST, CTIO 1.5m.

VLA radio data from Yelena Stein and Ralf-Juergen Dettmar (Ruhr-University Bochum). The observations are part of the project Continuum HAlos in Nearby Galaxies — an EVLA Survey (CHANG-ES) led by Judith Irwin (Queen’s University, Canada). The optical data are from the Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3)/UVIS camera. The ionized hydrogen data (magenta) are from the 1.5m telescope of the Cerro Tololo Inter-American Observatory, collected by Matthew D. Lehnert. The software code for tracing the magnetic field lines was adapted by Y. Stein and Arpad Miskolczi (Ruhr-University Bochum) from the scipy Linear Integral Convolution code (https://scipy-cookbook.readthedocs.io/items/LineIntegralConvolution.html). The National Radio Astronomy Observatory is a facility of the National Science Foundation, operated under cooperative agreement by Associated Universities, Inc.

The magnetic field structure of galaxy NGC 4217

Credit: Y. Stein (CDS), NRAO, SDSS, KPNO 0.9m, J. English (U. Manitoba), R.-J. Dettmar & A. Miskolczi (Ruhr U.), R.J. Rand (U.N.M.), and J. Irwin (Queen’s U.).

VLA radio data from Yelena Stein and Ralf-Juergen Dettmar (Ruhr University Bochum). The observations are part of the project Continuum HAlos in Nearby Galaxies — an EVLA Survey (CHANG-ES) led by Judith Irwin (Queen’s University, Canada). The optical data are from the Sloan Digital Sky Survey. The ionized hydrogen data (red) are from the 0.9m telescope of the Kitt Peak National Observatory, collected by Richard J. Rand of the University of New Mexico. The software code for tracing the magnetic field lines was adapted by Y. Stein and Arpad Miskolczi (Ruhr-University Bochum) from the scipy Linear Integral Convolution code (https://scipy-cookbook.readthedocs.io/items/LineIntegralConvolution.html). The National Radio Astronomy Observatory is a facility of the National Science Foundation, operated under cooperative agreement by Associated Universities, Inc.

 

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