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Astron

Initiator: ASTRON Netherlands Institute for Radio Astronomy

eu  SNN

This project was co-financed by the EU, the European Fund for Regional Development and the Northern Netherlands Provinces (SNN), and EZ/KOMPAS.

LOFAR first images with the first three full stations

Copyright: ASTRON

The first full LOFAR stations became operational last week. Here are the images corresponding to the first fringes seen from those stations.

The observations were pointed at Cygnus A, one of the brightest radio sources. The top row shows the dirty images seen from the lowband (LBA) and the highband (HBA) systems. The bottom row shows the cleaned (deconvolved) images. As you can see, given the longest baseline of about 20 km, Cygnus A is resolved even at the lowest frequency of 30 MHz. As more stations become operational, we will have better uv-plane coverage and thus, better images.

ASTRON initiated LOFAR as a new and innovative effort to force a breakthrough in sensitivity for astronomical observations at radio-frequencies below 250 MHz. 
Development: Dripl | Design: Kuenst   © copyright 2020 Lofar