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TheDESurvey @TheDESurvey

Dark Energy Survey @TheDESurvey
13h
OTD 2 years ago😮🎨🎨🎨 https://t.co/NTGoG1Cb8Z

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Dark Energy Survey @TheDESurvey
Jan 19
RT @NOIRLabAstro:A startling analysis from @GLOBEatNight, a citizen science program run by @NSF’s @NOIRLabAstro, concludes that star… https://t.co/5FzC4CAGlK

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Dark Energy Survey @TheDESurvey
Jan 18
RT @NOIRLabAstro:Astronomers have released a giant survey of the galactic plane of the Milky Way with data taken with the Dark Energ… https://t.co/FaXkxJcP7E

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Dark Energy Survey @TheDESurvey
Jan 17
Congratulations to DEScientist @astroalexamon ! https://t.co/UKSOKwn1tZ

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Dark Energy Survey @TheDESurvey
Jan 12
RT @DoNASAScience:25 years ago this weekend, the discovery of #DarkEnergy was first announced! Now, you can become a Dark Energy Expl… https://t.co/WXPtbiZmgR

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The Dark Energy Survey

13 hours ago

OTD 2 years ago 😮🎨🎨🎨To make sure we don’t unintentionally bias DES dark energy constraints towards results we expect, we transform the data to look like it comes from a different Universe. When we finally reveal the real result, it’s very exciting — like opening a present! #darkbites

Text & Illustration: Jessie Muir

This paper introduces the method we use to transform the data: arxiv.org/pdf/1911.05929.pdf

Cosmologists and DEScientists will recognize many incredible details across this #darkbite! Our international zoom discussions, the 'contour plots' we use to interpret our results, and even some of our Chilean neighbors, the viscachas, make an appearance. ... See MoreSee Less
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The Dark Energy Survey

1 week ago

A startling analysis from Globe at Night — a citizen science program run by National Science Foundation (NSF)’s NOIRLab — concludes that stars are disappearing from human sight at an astonishing rate. The study finds that, to human eyes, artificial lighting has dulled the night sky more rapidly than indicated by satellite measurements. The study published in the journal Science showcases the unique contributions that citizen scientists can make in essential fields of research.

Read more: www.noirlab.edu/public/news/noirlab2302/

Image: NOIRLab/NSF/AURA, P. Marenfeld

#NSFScience #NOIRLab #Astronomy #ScienceNews #DiscoverTogether ... See MoreSee Less
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The Dark Energy Survey

1 week ago

Timeline photosAstronomers have released a gargantuan survey of the galactic plane of the Milky Way. The new dataset contains a staggering 3.32 billion celestial objects — arguably the largest such catalog so far. The data for this unprecedented survey were taken with the Dark Energy Camera, built by the U.S. Department of Energy, at Cerro Tololo Inter-American Observatory (CTIO) in Chile, a Program of National Science Foundation (NSF)'s NOIRLab.

Read more: ow.ly/sghN50MuoxB

In this image the survey is shown here overlaid on the full sky. The callout box is a full-resolution view of a small portion of the DECaPS2 data.

Credit: DECaPS2/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA/E. Slawik
Image processing: M. Zamani & D. de Martin (NSF’s NOIRLab) ... See MoreSee Less
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Awesome‼️
The Dark Energy Survey

2 weeks ago

Congratulations to DEScientist Alexandra Amon on winning the 2023 Royal Astronomical Society Winton Award!

"a very talented young scientist who is rapidly emerging as one of the new leaders in observational cosmology." ras.ac.uk/sites/default/files/2023-01/Winton%20Award%20%28A%29%20-%20Dr%20Alexandra%20Amon.pdf ... See MoreSee Less
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Congrats Alex Amon!
The Dark Energy Survey

2 weeks ago

Timeline photosNEWS: National Science Foundation (NSF) and SpaceX have finalized a coordination agreement to mitigate the impact of the company’s Starlink satellites on ground-based radio-, optical-, and infrared-astronomy facilities.

The agreement, detailed in a statement released by NSF today, ensures that Starlink satellite network plans will meet international radio astronomy protection standards while working toward recommendations that came from NOIRLab and the AAS’s SATCON workshops and the IAU’s Dark and Quiet Skies best practice guidance.

NOIRLab serves as the key point of contact for technical exchanges with SpaceX on optical and infrared issues and National Radio Astronomy Observatory (NRAO) for radio-astronomy issues. NOIRLab also provides community leadership on mitigation issues by co-hosting the IAU CPS: the International Astronomical Union Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference (CPS).

Read more here: noirlab.edu/public/announcements/ann2304/?nocache
Image: International Gemini Observatory/NOIRLab/NSF/AURA/J. Chu/J. Pollard ... See MoreSee Less
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Observações com a câmera DECam revelam a natureza de evento de ondas gravitacionais

October 16, 2017 1:52 pm

Cientistas usando a câmera do levantamento Dark Energy Survey (DES) capturaram imagens do resultado de uma colisão entre estrelas de nêutrons, evento que produziu a detecção de onda gravitacional mais recente (GW170817) pelos observatórios LIGO e Virgo. Uma equipe de cientistas usando a Dark Energy Camera (DECam), a principal ferramenta de observação do Dark Energy Survey, estão entre os primeiros a observar as consequências de um surto de ondas gravitacional detectado recentemente, registrando imagens da primeira explosão confirmada como consequência da fusão de duas estrelas de nêutrons. Esse violento processo de fusão, ocorrido há 130 milhões de anos em uma galáxia próxima à nossa (NGC 4993), é a fonte das ondas gravitacionais detectadas pelo Observatório Interferométrico de Ondas Gravitacionais (LIGO) e Interferômetro Virgo em 17 de agosto.

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