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Dark Energy Survey @TheDESurvey
4h
RT @symmetrymag:Utilice nuestro mapa interactivo para obtener más información sobre física de partículas y astrofísica en América L… https://t.co/JTwq1OM7UG

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Dark Energy Survey @TheDESurvey
4h
RT @ajshajib:Our paper measuring H_0 from a new strong lens is out on arXiv: https://t.co/gHhiaAz5JX. This very rare double-sou… https://t.co/Wz65BE4t3m

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Dark Energy Survey @TheDESurvey
7h
A great thing about a project like DES is that it enables students to start careers in astronomy. I recently submit… https://t.co/mW1Z4hXSsJ

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Dark Energy Survey @TheDESurvey
8h
RT @NASA:LIVE NOW: During today’s #AllWomanSpacewalk, we have helmet camera views so that you can see what @Astro_Christina… https://t.co/TR3nf23rMK

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Dark Energy Survey @TheDESurvey
Oct 15
#DESimages ("Galaxy Tango", credit: Erin Sheldon) https://t.co/cJK5m5Sdfp

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The Dark Energy Survey
8 hours ago
One of the great things about a project like DES is that it enables students like me to start new careers in astronomy. I've recently submitted my PhD thesis, finding strong gravitational lenses in DES data, and even got to go to the Very Large Telescope in Chile to observe some. Thanks DES! #DEST4TD

Thanks to Colin Jacobs (Swinburne University of Technology) for today's DES Thought for the Day! ... See MoreSee Less
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The Dark Energy Survey
3 days ago
#DESimages ("Galaxy Tango", credit: Erin Sheldon) ... See MoreSee Less
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The Dark Energy Survey
1 week ago
#DESimages (Field of galaxies centered on the bright spiral, NGC 1703, credit: Brian Yanny) ... See MoreSee Less
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The Dark Energy Survey shared a post.
1 week ago
2019 Nobel Laureate James Peebles’ insights into physical cosmology have enriched the entire field of research and laid a foundation for the transformation of cosmology over the last fifty years, from speculation to science. His theoretical framework, developed since the mid-1960s, is the basis of our contemporary ideas about the universe.

The Big Bang model describes the universe from its very first moments, almost 14 billion years ago, when it was extremely hot and dense. Since then, the universe has been expanding, becoming larger and colder. Barely 400,000 years after the Big Bang, the universe became transparent and light rays were able to travel through space. Even today, this ancient radiation is all around us and, coded into it, many of the universe’s secrets are hiding. Using his theoretical tools and calculations, James Peebles was able to interpret these traces from the infancy of the universe and discover new physical processes.

The results showed us a universe in which just five percent of its content is known, the matter which constitutes stars, planets, trees – and us. The rest, 95 percent, is unknown dark matter and dark energy. This is a mystery and a challenge to modern physics.

The 2019 Nobel Prize in Physics has been awarded with one half to James Peebles “for theoretical discoveries in physical cosmology” and the other half jointly to Michel Mayor and Didier Queloz “for the discovery of an exoplanet orbiting a solar-type star.”

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Press release: bit.ly/2mQUHZj
Popular information: bit.ly/2phPz1j
Advanced information: bit.ly/2on5URQ ... See MoreSee Less
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The Dark Energy Survey
2 weeks ago
DES scientists Antonella Palmese, Marcelle Soares-Santos and Daniel Holz are featured in this story about the search for a rare black hole neutron star merger.

www.symmetrymagazine.org/article/chasing-gravitational-waves ... See MoreSee Less
Chasing gravitational waves
When LIGO and Virgo detected the echoes that likely came from a collision between a black hole and a neutron star, dozens of physicists began a hunt for the signal’s electromagnetic counterpart.
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News

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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