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The ILT reaches the Baltic Sea!
© ASTRON During the Board meeting of October 2 2019, the International LOFAR Telescope (ILT) welcomed Latvia as a new member of the ILT Foundation. The full membership of the Latvia-LOFAR consortium...
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Diversity day at Astron
© CC-BY-4.0 Tammo Jan Dijkema The 1st of October is National Diversity Day. To celebrate this event, the Diversity Committee at Astron organized a coffee and cookies session.Our DG Carole Jackson spoke...
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LOFAR 2.0 Stage 1 Station & Timing Distributor passed PDR!
© ASTRON Last week we passed the PDR (Preliminary Design Review) for the LOFAR 2.0 Station & Timing Distributor. The review was held at ASTRON from 25-26 september 2019. A mainly external panel...
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LOFAR early-time search for coherent radio emission from GRB 180706A
© Antonia Rowlinson In the top panel of this figure we show the 0.3â10 keV flux light curve of GRB 180706A from the Swift Satellite. The black data points were obtained by the BAT (extrapolated to...
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HARPS3 FDR, the Terra Hunting Experiment and the Nobel Prize
© Ramon Navarro The HARPS3 instrument had its Final Design Review last week. A review panel of about a dozen persons visited the NOVA optical infrared instrumentation group at ASTRON. The goal was to...
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Scintillation from two Layers in the Ionosphere
© ASTRON A LOFAR observation of ionospheric scintillation on Cassiopeia A taken back in August 2013 has been puzzling me since it was taken. The observation was set up to record dynamic spectra from...
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Colloquium - Jan Hendrik Oort: Master of the Galactic System
© Springer Jan Hendrik Oort (1900--1992) was a giant among twentieth century astronomers. His studies in Groningen under his `groote leermeesterâ Kapteyn prompted him to enter the field of...
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Colloquium : Black hole X-ray binaries- accurate distances and natal kicks
© Pikky Atri (ICRAR - Curtin) Even though the first black hole (BH) was detected decades ago, the mechanism by which BHs form is not well understood. Theoretical models suggest that BHs are born when a...
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Probing the cosmic web with SKA
© Robin Kooistra The large-scale filaments of the cosmic web can clearly be seen in the distribution of galaxies in large galaxy redshift surveys. However, the gas inside these filaments, the...
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Weekend van de Wetenschap 2019
© Harm-Jan Stiepel During the yearly Weekend van de Wetenschap (first weekend of October), CAMRAS opened the doors of the Dwingeloo radio telescope, and organized many events and experiments around the...
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ARTAMIS on a Mission
© ASTRON This year's ADASS (Astronomical Data Analysis and Software Systems) conference was held in Groningen; see the Daily Image of Oct 9th for a summary. Many people from ASTRON attended ADASS and...
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Pacman Nebula NGC281
© astropix.nl During the past few months a major upgrade took place at my observatory. The 400mm telescope was completely rebuilt to accommodate a bigger CCD camera. This camera can be cooled to 50°C...
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Nacht van de Nacht bij de radiotelescoop
© CC-BY-4.0 Tammo Jan Dijkema In the national 'Nacht van de Nacht' (night of the night), many events are organized to raise awareness about light pollution, and celebrate darkness. Of course stargazing...
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Public release of Apertif SVC data
© ASTRON Today we announce the first official data release of Apertif data in the Apertif Long Term Archive (ALTA - alta.astron.nl). This is a release of both the imaging and time-domain data from the...
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Colloquium: The formation of (very) slowly rotating stars
© Henk Spruit (MPA, Garching) Image (Herschel) shows a filament in a star forming region in Taurus. The sketch shows the configuration of the magnetic field around the filament (purple), the flow field...
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Pacman Nebula in Hubble palette
© astropix.nl This image is a false colour image of the Pacman Nebula.In a previous AJDI https://www.astron.nl/dailyimage/main.php?date=20191104 the nebula was shown as recorded in H-Alpha light...
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ASTRON/JIVE Astrofest 2019
© Public We held the annual ASTRON/JIVE astrofest on Wednesday the 6th of November in Zwolle. Astrofest is designed to allow all the astronomers associated with ASTRON and JIVE to spend a relaxed day...
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CHIME - the Canadian Hydrogen Intensity Mapping Experiment
© public Among the great surprises of modern cosmology was the discovery of Dark Energy, which dominates the energy budget of the Universe and is driving the acceleration of its expansion rate....
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Gemini-XH in production
© ASTRON Early October the assembly of a new Gemini board called the Gemini-XH took place at Neways in Leeuwarden. More than 1000 parts ranging from 0.5 x 1 mm up to 50 x 50 mm had to be placed on this...
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TOPCAT for working with catalogues (Colloquium: Mark Taylor, University of...
© Mark TaylorTOPCAT is an interactive desktop application for working with astronomical table data such as source catalogues. It has been under active development since 2003, and is now in use by...
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