Home > Astronomy, Galaxies, General Astronomy > LOFAR Discovers New Giant Galaxy In All-Sky Survey

LOFAR Discovers New Giant Galaxy In All-Sky Survey


LOFAR_GiantGalaxy_smA team of astronomers led by ASTRON astronomer Dr. George Heald has discovered a previously unknown gigantic radio galaxy, using initial images from a new, ongoing all-sky radio survey. The galaxy was found using the powerful International LOFAR Telescope (ILT), built and designed by ASTRON. The team is currently performing LOFAR’s first all-sky imaging survey, the Multi-frequency Snapshot Sky Survey (MSSS). While browsing the first set of MSSS images, Dr. Heald identified a new source the size of the full moon projected on the sky. The radio emission is associated with material ejected from one member of an interacting galaxy triplet system tens to hundreds of millions of years ago. The physical extent of the material is much larger than the galaxy system itself, extending millions of light years across intergalactic space. The MSSS survey is still ongoing, and is poised to discover many new sources like this one.

Full Story: http://www.astron.nl/about-astron/press-public/news/lofar-discovers-new-giant-galaxy-all-sky-survey/lofar-discovers-new-g

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