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  • The DES Project
    • Overview
    • Science
    • Instrument
    • Survey
    • Collaboration
    • Scientist of the Week
    • For DES Members
  • Results & Papers
    • Publications
    • Y1 Cosmology
    • Y3 Cosmology
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    • Press Releases
  • Data Access
    • All Data
    • Science Verification
    • Data Release 1
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    • Y3 Cosmology Data
  • News & Media
    • DECam Interactive
    • Photo Gallery
    • Video Gallery
    • #DESendofnights
    • DES in the News
  • Education
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Photo Gallery

Enjoy images from the Dark Energy Camera (DECam), DES science analyses, as well as from DES scientists!

 

More DES images can found at the following links:

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Fermilab Creative Services DES Library

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TheDESurvey @TheDESurvey
Dark Energy Survey  @TheDESurvey
6h
RT @NOIRLabAstro:#SpaceScoop, the astronomy news outlet directed at young audiences by @unawe, has highlighted our press release on… https://t.co/xbRHSPI3ri
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Dark Energy Survey  @TheDESurvey
Mar 17
RT @RoyalAstroSoc:Our next public lecture takes place on 21 March and its all about the Dark Energy Survey! Cosmology expert… https://t.co/JcibRD08yR
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Dark Energy Survey  @TheDESurvey
Mar 17
RT @doescience:Science #PicOfTheWeek: Dark energy is the mysterious force or energy that's causing the universe to expand ever fas… https://t.co/kjz5qagxSz
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Dark Energy Survey  @TheDESurvey
Mar 14
RT @NOIRLabAstro:Why is the dark night important, and what can we do to protect it 🌌? Discover our latest NOIRLab Stories about the… https://t.co/4fq9rK4iaZ
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Dark Energy Survey  @TheDESurvey
Mar 10
RT @NOIRLabAstro:Two cosmological surveys from the @theDESurvey and the @SPTelescope combine forces to place powerful new constraint… https://t.co/LMCnFqdGbH
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The Dark Energy Survey
6 hours ago
The Dark Energy Survey

Timeline photos#SpaceScoop, the astronomy news outlet directed at young audiences by Universe Awareness, has highlighted our recent press release on the image of the supernova from the year 185, captured with the Dark Energy Camera on Cerro Tololo Inter-American Observatory (CTIO)!

Read more: www.spacescoop.org/en/scoops/2307/blast-from-the-past/

By partnering with multiple international agencies to deliver astronomy discoveries across the world, Space Scoop contributes to the growing need for increased accessibility in science by presenting short articles in digestible language. Doing so can help inspire the next generation of scientists, which is part of our mission here at National Science Foundation (NSF)’s NOIRLab.

Credit: CTIO/NOIRLab/DOE/NSF/AURA
Image Processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), J. Miller (Gemini Observatory/NSF’s NOIRLab), M. Zamani & D. de Martin (NSF’s NOIRLab) ... See MoreSee Less

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The Dark Energy Survey
1 week ago
The Dark Energy Survey

Timeline photosWhy is the dark night important, and what can we do to protect it 🌌? Discover our latest NOIRLab Stories about the Globe at Night program, which give citizens the opportunity to contribute to the task of surveying #nightsky visibility.

Read here: noirlab.edu/public/es/blog/dark-sky-protection/

#lightpollution #stars #universe #darksky #noirlab #globeatnight ... See MoreSee Less

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The Dark Energy Survey
2 weeks ago
The Dark Energy Survey

Timeline photosTwo cosmological surveys of the southern sky join forces to place powerful new constraints on the Standard Model. By combining these datasets from The Dark Energy Survey and the South Pole Telescope to map the distribution of dark matter in the Universe, a team of astronomers has confirmed the Standard Model of cosmology with a higher degree of certainty than can be achieved with a single survey dataset.

Read more about mapping the Universe in our latest NOIRLab Stories post: noirlab.edu/public/blog/two-is-better-than-one/ ... See MoreSee Less

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Those lines are Just Birklandt currents !

The Dark Energy Survey
2 weeks ago
The Dark Energy Survey

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The Dark Energy Survey
3 weeks ago
The Dark Energy Survey

Timeline photosCerro Tololo Inter-American Observatory (CTIO) captured Supernova From the Year 185!

The first ever historically recorded supernova, which astronomers now refer to as SN 185, occurred more than 8000 light-years away in the approximate direction of Alpha Centauri, between the constellations of Circinus and Centaurus. The resulting structure, RCW 86 — as imaged by the Dark Energy Camera (DECam) mounted on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory (CTIO) in Chile — helps shed light on how the remains of the supernova evolved over the past 1800 years. DECam’s amazing wide-field vision enabled astronomers to create this rare view of the entire supernova remnant as it is seen today.

www.noirlab.edu/public/news/noirlab2307/

Credit: CTIO/NOIRLab/DOE/NSF/AURA
Image Processing: T.A. Rector (University of Alaska Anchorage/NOIRLab), J. Miller (Gemini Observatory/NOIRLab), M. Zamani & D. de Martin (NOIRLab)

#astronomy #supernova #science #universe #circinus #centaurus #telescope #noirlab #cerrotololo ... See MoreSee Less

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News

Scientists Leverage HPC and AI to Wrangle the ‘Galaxy Zoo’

July 8, 2019 12:00 pm

The research team developed a new approach to classifying these hundreds of millions of galaxies. Instead of relying on crowdsourced classification, the researchers used knowledge from the state-of-the-art Xception neural network, combined with the datasets generated by the Galaxy Zoo project, to train its deep learning models. They then applied the trained model to galactic images from the Dark Energy Survey (DES) – where it achieved a 99.6% accuracy in identifying spiral and elliptical galaxies.

Three sky surveys completed in preparation for Dark Energy Spectroscopic Instrument

July 8, 2019 12:00 pm

It took three sky surveys — conducted at telescopes in two continents, covering one-third of the visible sky, and requiring almost 1,000 observing nights – to prepare for a new project that will create the largest 3-D map of the universe’s galaxies and glean new insights about the universe’s accelerating expansion. This Dark Energy Spectroscopic Instrument (DESI) project will explore this expansion, driven by a mysterious property known as dark energy, in great detail. It could also make unexpected discoveries during its five-year mission.

Multiple Measurements close in on Dark Energy

May 6, 2019 12:00 pm

An extensive analysis of four different phenomena within the universe points the way to understanding the nature of dark energy, a collaboration between more than 100 scientists reveals. Dark energy – the force that propels the acceleration of the expanding universe – is a mysterious thing. It’s nature, write telescope scientist Timothy Abbott from the Cerro Tololo Inter-American Observatory, in Chile, and colleagues, “is unknown, and understanding its properties and origin is one of the principal challenges in modern physics”. Indeed, there is a lot at stake. Current measurements indicate that dark energy can be smoothly incorporated into the theory of general relativity as a cosmological constant; but, the researchers note, those measurements are far from precise and incorporate a wide range of potential variations.

Viewpoint: Dark Energy Faces Multiple Probes

May 1, 2019 12:00 pm

One of the top goals in cosmology today is understanding the dark energy that is responsible for the accelerated expansion of the Universe. Is the dark energy consistent with the cosmological constant of general relativity—representing a constant energy density filling space homogenously? Or can we find deviations from general relativity on cosmological scales that suggest a more complex nature for gravity? Questions like these motivate the current and next generations of surveys that aim to map out ever larger volumes of the Universe, using a wide variety of probes to constrain the properties of dark energy. The Dark Energy Survey (DES) has now derived such constraints from the combined analysis of four canonical observables related to dark energy: supernovae, baryon acoustic oscillations, gravitational lensing, and galaxy clustering [1]. The resulting bounds confirm what we knew from previous studies, which focused on single probes. But the results indicate that this multiprobe approach could allow surveys in the 2020s to improve such constraints by orders of magnitude, possibly bringing us close to solving the dark energy puzzle.

Supernovae, Dark Energy, and the Fate of Our Universe

April 5, 2019 12:00 pm

What’s the eventual fate of our universe? Is spacetime destined to continue to expand forever? Will it fly apart, tearing even atoms into bits? Or will it crunch back in on itself? New results from Dark Energy Survey supernovae address these and other questions. At present, the fabric of our universe is expanding — and not only that, but the its expansion is accelerating. To explain this phenomenon, we invoke what’s known as dark energy — an unknown form of energy that exists everywhere and exerts a negative pressure, driving the expansion. Since this idea was first proposed, we’ve conducted decades of research to better understand what dark energy is, how much of it there is, and how it influences our universe.

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