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DES

First Cosmology Results from Year 1 Data

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DES

First Cosmology Results from Year 1 Data

Read Now!

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TheDESurvey @TheDESurvey

In The Dark @TheDESurvey
I recently gave a talk at the inauguration of the Centre for Doctoral Training in Data Intensive Science, Universit… https://t.co/yC0ZIzaOE5

24h reply retweet favorite 24 hours ago

In The Dark @TheDESurvey
I’m simulating strong gravitational lenses to find more in DES. Who knew warping spacetime could be so fun? #DEST4TD https://t.co/Fczy75A0RP

Sep 14 reply retweet favorite 6 days ago

In The Dark @TheDESurvey
Will physicists figure out what dark matter is within a decade? #DEST4TD @JmouldJeremy

Sep 12 reply retweet favorite 1 week ago

In The Dark @TheDESurvey
Today, I’m hunting for dinosaurs, aka massive galaxies, in the early universe over ten billion years back in time! #DEST4TD @Daniel_GThomas

Sep 06 reply retweet favorite 2 weeks ago

In The Dark @TheDESurvey
It’s been a month since the DES Y1 results were published! Check out this new brief summary in the Darchives! https://t.co/RFb1tTCcIO

Sep 04 reply retweet favorite 2 weeks ago

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The Dark Energy Survey

24 hours ago

I recently gave a talk about DES, galaxy redshifts and gravitational waves at the inauguration of the Centre for Doctoral Training in Data Intensive Science, University College London. How important is it to develop new big data analysis techniques for us? #DEST4TD

Thanks to Antonella Palmese (UCL) for today's DES thought for the day! ... See MoreSee Less

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The Dark Energy Survey

6 days ago

Today, I’m simulating strong gravitational lenses so we can find more in DES. Who knew warping spacetime could be so much fun? #DEST4TD

Thanks to Colin Jacobs (Swinburne University of Technology) for today's DES thought for the day!

www.jpl.nasa.gov/spaceimages/images/wallpaper/PIA18794-1280x1024.jpg (Hubble Space Telescope Strong lens) ... See MoreSee Less

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The Dark Energy Survey

1 week ago

Will physicists figure out what dark matter is within a decade? #DEST4TD

Thanks to Jeremy Mould (Swinburne University of Technology) (@JmouldJeremy) for today's DES thought for the day! ... See MoreSee Less

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The Dark Energy Survey

2 weeks ago

Our DEScientist of the Week studies weak gravitational lensing and enjoys reading, politics, and theatre! Lean more about Simon:

www.darkenergysurvey.org/scientistoftheweek/simon-samuroff/ ... See MoreSee Less

Simon Samuroff - The Dark Energy Survey

darkenergysurvey.org

Simon is a Graduate Student at the University of Manchester, whose research interests are in observational cosmology, particularly using weak … Read more »

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The Dark Energy Survey

2 weeks ago

Hunting for dinosaurs, aka massive galaxies, in the early universe over ten billion years back in time. Might have found some in the DES data! #DEST4TD @Daniel_GThomas

Thanks to Daniel Thomas (University of Portsmouth) for today's DES thought for the day! ... See MoreSee Less

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DES clinches the most precise cosmological results ever extracted from gravitational lensing

September 6, 2017 12:00 am

For decades, cosmologists have been attempting to piece together the history and composition of the Universe. This is a very difficult task because we know that ~95% of the Universe comes from the invisible “Dark Sector”, i.e. from dark matter and dark energy. In a series of ten journal papers released on August 3rd, 2017, scientists from the international Dark Energy Survey (DES) collaboration shed new light on the Dark Sector. These insights were derived by applying a statistical technique known as two point correlation functions (or “2pt” for short) to an enormous catalog of galaxies. In fact, three different 2pt’s were used, two of which take advantage of the superb information that DES delivers about the shapes of galaxies. This shape information encodes clues to the dark matter distribution through the process of gravitational lensing.

Telling the World about DES Y1 Cosmology

August 31, 2017 9:39 pm

Earlier this month, DES released its first cosmology results and the largest and most accurate map of the Universe to date. This was made possible by the hours of work of hundreds of scientists collaborating together across the globe. The necessary analysis to reach this milestone proved to be an important test of intellect, diligence, and perseverance for so many members of the collaboration. Such a significant scientific result, and the effort that went into producing it, needed to be shared around the world. The task of spreading the DES Y1 results was undertaken by a small group of students and faculty. In this article is one reflection on this unique science communication experience.

Cosmology Results from The Dark Energy Survey!

August 14, 2017 12:00 am

With CMB telescopes vastly expanding our understanding of the early universe the past two decades, it was only a matter of time before we gained the capability to perform a census of the millions of galaxies at our disposal today using ground based telescopes. This is a very important step: studying today’s galaxies tells us whether the universe evolved after the CMB the way we think it did. Today’s bite is not just about thanking the early universe for being kind in its evolution, but also an ode to the 400+ scientists working over the last two decades to bring this census to fruition!

Dark Energy Survey reveals most accurate measurement of dark matter structure in the universe

August 8, 2017 12:00 pm

Imagine planting a single seed and, with great precision, being able to predict the exact height of the tree that grows from it. Now imagine traveling to the future and snapping photographic proof that you were right. If you think of the seed as the early universe, and the tree as the universe the way it looks now, you have an idea of what the Dark Energy Survey (DES) collaboration has just done. In a presentation today at the American Physical Society Division of Particles and Fields meeting at the U.S. Department of Energy’s (DOE) Fermi National Accelerator Laboratory, DES scientists will unveil the most accurate measurement ever made of the present large-scale structure of the universe.

Dark Energy Survey Year 1 Results VIDEO

August 8, 2017 11:59 am

On Thurs., Aug. 3, 2017, Daniel Gruen delivered a talk on the Year 1 results at the APS Division of Particles & Fields meeting at Fermilab.