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Dark Energy Survey @TheDESurvey
#DESimages (credit: Erin Sheldon) https://t.co/y3wHYxFutB

10h reply retweet favorite 10 hours ago

Dark Energy Survey @TheDESurvey
This week for DES, I'm working on calculating the rate of superluminous supernovae. These are a relatively new type… https://t.co/Ae1s8qbsNm

Oct 12 reply retweet favorite 4 days ago

Dark Energy Survey @TheDESurvey
During observing, the Dark Energy Camera (DECam) uses a system to pick out bright stars, which precisely define whe… https://t.co/42OUdE5ncN

Oct 10 reply retweet favorite 6 days ago

Dark Energy Survey @TheDESurvey
#DESimages (credit: Erin Sheldon) https://t.co/vCm77kI8AJ

Oct 08 reply retweet favorite 1 week ago

Dark Energy Survey @TheDESurvey
"What a thrill it has been to work with this star; we expect he will continue to play a leading role within DES and… https://t.co/OEbDiCeoGJ

Oct 04 reply retweet favorite 2 weeks ago

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The Dark Energy Survey
10 hours ago
#DESimages (credit: Erin Sheldon) ... See MoreSee Less
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The Dark Energy Survey
4 days ago
This week for DES, I'm working on calculating the rate of superluminous supernovae. These are a relatively new type of supernova which shine up to 100 times brighter than normal supernova types. #DEST4TD

Thanks to Benjamin Thomas (University of Portsmouth) for today's DES thought for the day!

You can read more about a DES discovery of a superluminous supernova here: www.syfy.com/syfywire/a-superluminous-supernova-seen-more-than-10-billion-light-years-away ... See MoreSee Less
A superluminous supernova seen more than 10 BILLION light years away!
syfy.com
Astronomers have found one of the most distant exploding stars ever seen — the light from the colossal event took a staggering 10 billion years to travel across the Universe to reach us! And, like s...
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The Dark Energy Survey
6 days ago
During observing, the Dark Energy Camera (DECam) uses a system to pick out bright stars in its field of view, which precisely define where it is looking on the sky. These are called ‘guide stars’. I just realized that now over a million guide stars have been used by DECam! #DEST4TD

(Image: An example of 4 guide stars being viewed while the telescope is taking an image.)

Thanks to Santiago Serrano (Universitat de Barcelona) for today's DES thought for the day! ... See MoreSee Less
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The Dark Energy Survey
1 week ago
#DESimages (credit: Erin Sheldon) ... See MoreSee Less
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The Dark Energy Survey
2 weeks ago
What a thrill it has been to work with this star; we expect he will continue to play a leading role within DES and the broader community. #DEST4TD

(Picture: Outgoing Director Josh Frieman at the Texas Meeting this year)

Thanks to Scott Dodelson (Carnegie Mellon University) for today's DES thought for the day! ... 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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