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Dissolution of the Dutch Electronics and Radio Society
© ASTRON At April 20th the general assembly of the Dutch Electronics and Radio Society (Nederlands Elektronica en Radio Genootschap, NERG) decided to dissolve the society after more than 90 years. The...
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APERTIF-12 FrontEnds ready for installation
© R.H. van den Brink In the first week of April 2016 the second six APERTIF PAF FrontEnds were assembled and tested. The first six FrontEnds were installed in RT2, RT4, RT5, RT8, RT9 and RTA. The next...
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ASTRON colleagues crammed together like sardines
© ASTRON Some time ago, a number of ASTRON colleagues flew off to Cape Town for a SKA MIDPREP/AAMID workshop to discuss and work towards SKA-2, in particular the Mid-Frequency Aperture Array (MFAA)...
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Farewell Erik vd Wal
© ASTRON Erik van der Wal (right on picture) will leave ASTRON 1 June 2016, after 11 years working as RF expert at ASTRON. We will surely miss him as RF expert and good colleague in the radio group....
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Giant solar radio source
© NASA/SDO, LOFAR, Sijie Yu, Eduard Kontar Radio observations of the outer solar corona provide the unique link between near-Sun phenomena and the effects of solar activity that extend throughout the...
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Keeping track of ASTRON R&D boards
© ASTRON Now that complex boards like the ASTRON/JIVE UniBoard and UniBoard2 are being used all over the world, knowing the status and the location of those boards is increasingly important. With the...
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Touching base: Grant Hampson
© Madroon Community Consultants (MCC) It is always good to see a former colleague, who has left for pastures with a different shade of green. On the one hand it is sad to see them go, but it is a small...
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LFAA AAVS1 fibre deployment
© ICRAR/Curtin The Local Infrastructure work package (LINFRA, lead: ICRAR/Curtin) of the SKA Low Frequency Aperture Array (LFAA) has been making impressive progress. This daily image reports on the...
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GUIs for UniBoard
© DESP To enhance the workflow and the work ability in general for the UniBoards the DESP group had a long-cherished desire to have a GUI (Graphical User Interface) that allows monitoring and control...
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An online tutorial for TaQL
© TJD The table query language TaQL, developed by Ger van Diepen, can be used for quickly inspecting and modifying casacore tables like Measurement Sets. For example, you can easily flag certain bad...
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New Distance Record Promises Important Tool for Studying Galaxies
© NRAO/ICRAR Astronomers (including Maddox & Oosterloo from Astron and Hess, Lucero & Verheijen from the Kapteyn Institute) have detected the faint radio emission from atomic hydrogen, the most...
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Today's Colloquium: The Large Binocular Telescope - the telescope, its...
© Jochen Heidt The Large Binocular Telescope (LBT) is a relatively young telescope. Having seen first light in 2005 it is certainly the most advanced optical/NIR 8m-class telescope at present. Its 1st...
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ASTRON colleagues crammed together like sardines
© ASTRON Some time ago, a number of ASTRON colleagues flew off to Cape Town for a SKA MIDPREP/AAMID workshop to discuss and work towards SKA-2, in particular the Mid-Frequency Aperture Array (MFAA)...
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MFAA environmental prototypes, 2 years later.
© Robert van der Horn Dear all, After two years in the Karoo desert, we "the environmentals" finally got some fresh air. The guys from Astron made the effort to come over and check us from head to toe....
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ASTRON bikes in the rain
© Madroon Community Consultants (MCC) This is a very Dutch picture. In any other country, the participants of a conference or school are left to fend for themselves, to walk to their hotel in...
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Today's Colloquium: The too-big-to-fail problem is too-persistent-to-die: new...
© Manolis Papastergis (Kapteyn) The "too big to fail" (TBTF) problem is a pressing observational challenge to the standard cosmological model at small scales. Put simply, it refers to the fact that it...
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ALFALFA Discovery of the most metal-poor gas-rich galaxy known: AGC 198691
© Alec Hirschauer (Indiana University) Metals refer to elements other than hydrogen and helium in astronomy; these elements are formed by stars. Metal-poor galaxies lack these elements compared to...
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Black Hole Fed by Cold Intergalactic Deluge
© Credit: B. Saxton (NRAO/AUI/NSF)/G. Tremblay et al./NASA/ESA Hubble/ALMA (ESO/NAOJ/NRA) On June 9th an international team of astronomers, including ASTRON astronomers Raymond Oonk and Michael Wise,...
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3C196 @171MHz at a resolution of 0.25 arcsec
© Ger de Bruyn With the completion of threePolishstations, designated PL610, PL611 and PL612, in November 2015, the International LOFAR Telescope (ILT) has increased its maximum baseline to more than...
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LOFAR Ionospheric Workshop in Poland
© Maaijke Mevius, Emanuela Orru, Richard Fallows The ionosphere has always been known to pose a particular challenge when calibrating LOFAR data, particularly in the low band below 80MHz. Recently...
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