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Rik Jongerius' defense: the SKA computing challenge
© IBM/ASTRON On Tuesday, September 20th, Rik Jongerius defended his PhD thesis entitled "Exascale Computer System Design: The Square Kilometre Array" at the University of Eindhoven. The day started...
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APERTIF Milestone BBQ
© R.H. van den Brink Mid-September we celebrated several APERTIF milestones in the nice surrounding of the WSRT, an obvious location since that's where APERTIF is being installed. We have currently...
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Company visit by EUMA Netherlands
© Helen Schat-Hansen On June 25 a group of Dutch Management Assistants, all members of EUMA, came from all over the country to ASTRON for a company-visit and their annual general meeting (AGM). After...
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Traffic Signs In The Hallway -- What Do You Think?
© JvL/DK Recently, an apparently random traffic sign was placed in the Astronomy Group hallway. Its solidity, pointedness and slanted positioning have led some to claim it is a menace; and it recently...
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Twin jets pinpoint the heart of an active galaxy
© A.-K. Baczko et al. 2016, A&A, 593, A47 An international team of astronomers including ASTRON have measured the magnetic field in the vicinity of a supermassive black hole and pinpointed its...
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Dwingeloo-1 revisited
© Albert van Duin The Dwingeloo 1 galaxy (a.k.a. PGC100170) was discovered with the venerable Dwingeloo Radio telescope in 1994 while performing the Dwingeloo Obscured Galaxy Survey (DOGS), which...
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Never too Young for Science
© P.M.Fusiara One of the advantages of living in the vicinity of the WSRT is that you can pack your kids into a bike trailer, hop on the bike yourself and enjoy the autumn breeze of the nearby forest...
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Identifying galaxy candidates in WSRT HI imaging of ultra-compact high...
© Betsey Adams Ultra-compact high velocity clouds (UCHVCs) are isolated HI clouds detected in the ALFALFA HI survey with no optical counterpart in current optical surveys. They are intriguing objects...
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Goodbye to the old ASTRON radio LAB
© ASTRON Today we say goodbye to our old radiolab, which is being completely refurbished. The old lab has served us well during 20 years of building and testing instruments (1996-2016). Numerous famous...
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Today's colloquium: Measuring the outflow of cosmic-ray electrons in...
© astron In this talk, I present 1D cosmic ray transport models, numerically solving equations of pure advection and diffusion for the electrons and calculating synchrotron emission spectra. As a study...
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Cooperatively cleansing cross-correlations
© (c) Astron 2016 In 2015 we used LOFAR station RS509, close to the Eemshaven, to investigate the effect of windmills on LOFAR data. We observed radio frequency interference (RFI) associated with...
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A visit to the beautiful Observatorio de Yebes (Spain)
© Gert Kruithof At the beginning of September, the head of the ASTRON lab Gert Kruithof visited the Observatorio de Yebes (IGN) in Spain. IGN is a very interesting institute with�beautiful...
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Harry turns 80
© Madroon Community Consultants (MCC) Last week we celebrated the 80st birthday of Harry van der Laan with a mini-symposium in the old Sterrewacht in Leiden. A glittering list of speakers highlighted...
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Summer student map 2016
© ASTRON The final event for the 2016 ASTRON/JIVE summer student programme was a BBQ at the guesthouse, organized by Fritz Moller. At the BBQ, the students presented a gift of a world map with their...
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12.5 year anniversary of Renate van Dalen!
© ASTRON In 2016, no less than six people at the R&D department celebrated their 12.5 anniversary of employment at ASTRON. The reason for this little wave is that about 12.5 years ago the...
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FAME - Freeform Active Mirror Experiment
© FAME team At the SPIE conference - Astronomical Telescopes and Instrumentation - in Edinburgh last June 2016 we proudly showcased our FAME demonstrator. We presented the latest achievements in...
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SKA.SaDT EMC emission measurements at ASTRON
© ASTRON, University of Manchester, CISCO, NOKIA Last week, colleagues from Manchester university, NOKIA and CISCO have performed emission measurements in the EMC facility at ASTRON. The goal was to...
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MeerKAT & Milky Way (MeerMelkweg?)
© 2016 Rob Millenaar Having the MeerKAT array in my back yard (relatively speaking) doesn't make night-time photography there any easier. Selecting a moon-less night in good weather conditions when...
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Terrestrial visit
© Astron The Lofar stations are rolled out all over the northern part of the country, usually in remote and quiet locations. This is certainly the case with the station near Nieuwolda. Far away from...
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Today's Colloquium: AGN jets and neutrinos: multimessenger studies of blazars
© Kadler M, Krauss F et al., Nature Physics 12, 807 Active galaxies harbor a supermassive black hole at their center. They often show perpendicular outflows of matter, called jets, which might...
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