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ASTRON/JIVE Open Day (Dwingeloo) and LofarDag (Exloo)
© ASTRONASTRON and JIVE Open DayOn Sunday 4 October, from 12:00 to 17:00, at the Dwingeloo Observatory, everybody will be welcomed again in the world of Radio Astronomy! There will be a wide range of...
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Calibratability fundamentals (4): psf sidelobe noise in LOFAR
© ASTRON In our previous image in this series, we demonstrated the importance of low psf sidelobes to prevent weak sources from drowning in the psf sidelobe noise (PSN) generated by the plethora of...
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Remnant radio galaxies in the LOFAR sky
© ASTRON - LOFAR The active phase of the radio AGN can last several tens of Myr after which the nuclear activity stops and the source starts to fade away. In this period, that we term the "remnant"...
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Excellent AAVS1 LINFRA progress in Australia
© ICRAR/Curtin The Local Infrastructure work package (LINFRA, lead: ICRAR/Curtin) of the SKA Low Frequency Aperture Array (LFAA) has been making impressive progress on several fronts. This daily image...
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Sorama visiting Astron
© Sorama B.V. Sorama will be visiting ASTRON today. For a brief introduction of Sorama see this previous Daily Image. Current topics within Sorama are: Smart City Audio Sensing Sorama′s latest...
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Today's Colloquium: Far-infrared fine-structure line studies of early...
© Carl Ferkinhoff This year marks the 40th anniversary of the first far-infrared fine-structure line detection, the [OIII] 88 micron line by the NASA Learjet in 1975. Additional pioneering work through...
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WEAVE Spectrograph Production started
© NOVA Optical IR Instrumentation Group, Rijksuniversiteit Groningen, Isaac Newton Group of Telescopes (ING) The picture shows a part for the WEAVE Spectrogaph. The mechanical production is started and...
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The spectacular halos of spiral galaxies
© Jayanne English and the CHANG-ES collaboration The "Continuum Halos in Nearby Galaxies - an EVLA Survey" (CHANG-ES) project has been highlighted here twicebefore. Now, this detailed study of edge-on...
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ASTRON/JIVE Open Day great success!
© ASTRON Daily image ASTRON/JIVE Open Day great success! Now everything is finally behind us, we have had some time to look back at the ASTRON/ JIVE open day. On 4 October everyone was welcome at...
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Klokhuis "Universe" series: every Wednesday in November
© NTR The Dutch-spoken kids show Klokhuis will feature a "Universe" series that airs starting 4 November, for 7 Wednesdays in row, on NPO 3, 18u25. Nienke and I put on our space suits and flew through...
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Goodbye to Rob (and Janni) Millenaar
© ASTRONThis special AJDI supersedes the regular one for a few hours. However, do not miss the televison program Heel Nederland kijkt Sterren tonight, at 21:25 on NPO1Today we mark the official...
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Real-time recording of IVS R1 observations
© Simone Bernhart (Institute of Geodesy and Geoinformation, Bonn University), Stuart Weston (Auckland University of Technology) and Harro Verkouter (JIVE) The International VLBI Service (IVS) conducts...
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The Existence of Extra-Terrestrial Intelligence: The Idea Behind SETI
© Andre van Es On October 8th, Andre van Es graduated as Master of Philosophy at the University of Groningen, with a thesis titled: The Existence of Extra-Terrestrial Intelligence, The Idea Behind...
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E-ELT from LEGO bricks
© NOVA LEGO is a great tool to attract the attention of a broad audience. This Picture of the Day shows ESO's European Extremely Large Telescope (E-ELT), as built entirely from LEGO bricks. It is on a...
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Heel Nederland Kijkt Sterren 2015
© ASTRON / NPO / Max Tonight at 21:25, "Heel Nederland Kijkt Sterren" on NPO1 will be one the shows to open the new TV season, which traditionally starts in Fall. As the name suggests, this show aims...
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searching for cool neutral meduim in UCHVCs
© Bahar Bidaran The lack of observed dwarf galaxies compared to predictions for numerous low-mass dark matter halos is a well-known cosmological problem, often referred to as the missing satellites...
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LOBOS mini survey - challenging the LOFAR system
© LOFAR Radio Observatory LOBOS is a LOFAR commissioning project (PI N. Jackson) meant to search for calibrator sources for the HBA observations using the International stations. It is a mini survey...
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Alternative uses for the LOFAR LBA
© ' This image shows an alternative use for decommissioned LBA antennas.
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Today's Colloquium: A Multi-Wavelength View of Nearby Galaxies
© Liese van Zee I will present the results of several recent studies investigating the gaseous and stellar distributions of nearby galaxies, utilizing observations obtained from the ultraviolet to the...
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Bus of stiltemeter put schools to work
© Dagmar Bij de Vaate "Pimp the bus", a creative contest Hidden deep in the forests of the Dwingelderveld stands the bus of Fryqens Zonderling, the "stiltemeter" from "Het logboek". Through years of...
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