Quantcast
Channel: ASTRON/JIVE Daily Image
Browsing all 2208 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

Where to place the MFAA environmental prototypes?

© SKA RSA / Richard Lord The previous daily images (17-06-2013 , 09-09-2013 and 10-03-2014 ) showed the four environmental prototypes inside the WSRT bouwhal, the anchor test performed at the South...

View Article


Image may be NSFW.
Clik here to view.

The Lessons of History

© Madroon Community Consultants (MCC) Last week, our institutes were visited by Dr David Baneke (*), who is writing a "History of the Dutch Astronomical Community, starting with Kapteyn (~1900)". This...

View Article


Image may be NSFW.
Clik here to view.

The hardware for APERTIF ALPHA-3 is coming in

© ASTRON, 2014. As reported before, the APERTIF focal-plane array project is preparing a demonstrator involving three WSRT dishes (ALPHA-3). After an EU public procurement process, the hardware...

View Article

Image may be NSFW.
Clik here to view.

Today's Colloquium: Science with the Murchison Widefield Array

© Lister Staveley-Smith Abstract: The Murchison Widefield Array is the first operational SKA precursor telescope, having begun operations in August 2013. I will summarise the science goals of the...

View Article

Image may be NSFW.
Clik here to view.

The Low Noise Tile: First array results

© ASTRON In our series of daily images (18-12-2013 and 21-02-2014) on the progress of the Low Noise Tile (LNT) project, today's image shows the results for a small 2x2-element array with the new LNT...

View Article


Image may be NSFW.
Clik here to view.

Stargazing event organized by the PV

© ASTRON / A. van Duin On Wednesday 5th of March, the ASTRON/JIVE employees club (PV) organised a star-gazing event for (retired) employees and their families. Since the celebration of the Landelijke...

View Article

Image may be NSFW.
Clik here to view.

Discovery of a Super-Powered Black Hole in the Nearby Galaxy M83

© Leith Godfrey - ASTRON. Image Credits: M83 - NASA, ESA and the Hubble Heritage Team (WFC3/UVIS, STScI-PRC14-04a). MQ1 inset - W. P. Blair (Johns Hopkins University) & R. Soria (ICRAR-Curtin). In...

View Article

Image may be NSFW.
Clik here to view.

Arctic storm damage at KAIRA

© Sodankylä Geophysical Observatory On the night of 8th March 2014, the Kilpisjärvi Atmospheric Imaging Receiver Array (KAIRA) was hit by a ferocious Arctic storm from the northwest. The two nearest...

View Article


Image may be NSFW.
Clik here to view.

Today's Colloquium: The ALFALFA Census of Gas-Bearing Galaxies at z=0

© Martha Haynes (Cornell University) Capitalizing on the huge collecting area of the Arecibo telescope and the survey capability of the 7-beam Arecibo L-band Feed Array (ALFA), the Arecibo Legacy Fast...

View Article


Image may be NSFW.
Clik here to view.

New EVN baselines

© SpaSIA group of JIVE, V. Tudose (Space Science Institute, Romania), W. Wang (Shanghai Astronomical Observatory, China), Y. Yonekura and K. Fujisawa (National Astronomical Observatory of Japan), M....

View Article

Image may be NSFW.
Clik here to view.

SKA MFAA All-Hands

© SKAO On Thursday 8th November 2013 the SKA Aperture Array MID (AAMID) consortium conducted it's kick-off. This marked the start of a three year (pre-construction) phase leading up to the Preliminary...

View Article

Image may be NSFW.
Clik here to view.

Another "amateur" image: Messier 81

© astropix.nl Messier 81 was first discovered as a "nebulous patch" by Johann Elert Bode in 1774, hence its alternative name "Bode's Galaxy". In 1779, Pierre Mechain and Charles Messier rediscovered...

View Article

Image may be NSFW.
Clik here to view.

UniBoard in combination with the UniServer

© Vereese van Tonder During the past month one of the UniBoard's, in combination with the UniServer, was used to simulate the response of a linear antenna array to an incoming plane wave. The aim was...

View Article


Image may be NSFW.
Clik here to view.

MFAA environmental prototypes realized!

© Photowise / Sarel van Standen Last week, an ASTRON team realized the MFAA environmental prototypes on the SKA Karoo site! We enjoyed a very hot and dusty week, but were lucky enough to run into some...

View Article

Image may be NSFW.
Clik here to view.

Today's Colloquium: Waterfalls, fountains and water bombs: infall, outflows...

© Ruud Visser Water is a unique probe of gas motion in protostellar environments, allowing us to trace kinematics in star forming regions from cloud to the inner envelope (< 1000 AU) scales. With...

View Article


Image may be NSFW.
Clik here to view.

Joe Taylor is Back!

© Harm Jan Stiepel Exactly twenty years ago, Prof Joe Taylor was slated to visit the Netherlands to pick up an award in the wake of his Nobel Prize(*). On a whim, our enterprising colloquium...

View Article

Image may be NSFW.
Clik here to view.

Almost invisible heroes

© ASTRON, 2014. Invisible to the crowd in Dwingeloo, a team of hard workers is upgrading two WSRT dishes (in the winter season!!) for the APERTIF ALPHA-3 system. The upgrade of a WSRT dish to APERTIF...

View Article


Image may be NSFW.
Clik here to view.

Dwingeloo Telescope re-opened

© Harm Jan Stiepel Last saturday, 5 april 2014, the recently refurbished Dwingeloo radio telescope was officially re-opened. It is now a National Monument in the care of CAMRAS. In 1956, when it was...

View Article

Image may be NSFW.
Clik here to view.

Shipping UniRacks for AAVS

© DESP / ASTRON The image shows Sjouke Zwier shipping a UniRack (rack of UniBoards) to the University of Cambridge (UK). By the time of publication of this daily image another rack will have been sent...

View Article

Image may be NSFW.
Clik here to view.

ASTRON extends LOFAR telescope with new antenna station near Hamburg

© ASTRONASTRON, university of Hamburg and Bielefeld University sign contract for new German LOFAR antenna stationOn Wednesday 9 April at the Hannover Messe (the world's most important industrial fair),...

View Article
Browsing all 2208 articles
Browse latest View live