Discover and read the best of Twitter Threads about #EHT

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Les presento emocionada el corazón de nuestra galaxia! La primera imagen del agujero negro supermasivo Sagitario A* en el centro de nuestra Vía Láctea: 4 millones de veces la masa del Sol, 30 veces su diámetro a una distancia 25 de mil años luz. #AgujeroNegro @ehtelescope Image
@ehtelescope "Las imágenes de estos dos agujeros (M87 & Sag A*) lucen muy similares. Esta similitud revela un aspecto clave de los agujeros negros. No importa su tamaño o el ambiente en el que habitan, una vez que llegamos al borde de un agujero negro, la gravedad toma el control" #EHT Image
Disfruten este viaje desde ALMA en Chile hasta Sagitario A* en el centro de la Vía Láctea! #BlackHole #AgujeroNegro
Credit: @ESO
Read 9 tweets
We at @MIT_CSAIL are so proud of the role our alum Dr. Katie Bouman played in the development of the first-ever picture of a black hole. She's been psyched about all the #blackhole interest & just wanted to clarify a few things. (1/7)
In our first tweet about this, we linked to a 2016 story about an algorithm she led the development of while at CSAIL. That algorithm was intended to take a picture of a black hole, but didn’t create the final image. (cont.)(2/7)
It inspired image validation procedures in the final paper, and the EHT team together developed new methods that were used in reconstructing the black hole image.(3/7)
Read 7 tweets
Scientific papers related to the first image of a supermassive blackhole in Messier 87 @ehtelescope @gtmlmt_oficial @inaoe_mx #EHTBlackHole #EHT #BlackHole (thread)

1. First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole… Image
2. First M87 Event Horizon Telescope Results. II. Array and Instrumentation
3. First M87 Event Horizon Telescope Results. III. Data Processing and Calibration
Read 6 tweets
La zone brillante sous la tache noire centrale, le trou noir, indique que le trou noir est en rotation, ou que de la matière est en rotation autour du trou noir, ou que les deux sont en rotation. #EHT
Voici les images simulées du trou noir central de la galaxie M87 et l'image observée et dévoilée aujourd'hui. Grâce à ces simulations et leur cohérence avec la réalité observée, on peut en apprendre beaucoup sur la physique de ce trou noir.
Il est fascinant de comparer l'image obtenue du trou noir central de M87 avec la 1ère simulation de l'apparence d'un trou noir par Jean-Pierre Luminet et le trou noir Gargantua du film Interstellar que le prix Nobel de Physique 2017 Kip Thorne a aidé à représenter.
Read 10 tweets
First ever direct image of a black hole! The supermassive black hole in the galaxy M87 -- 6.5 billion times as massive as the Sun! #EHT #BlackHole The image is better than I expected! A glowing ring, brighter on the bottom, with a dark region in the middle
How was this image created? A giant global network of radio/millimeter-wave telescopes joined together to create a virtual PLANET-SIZED telescope. The image is patched together from the data from all of these. #EHT #BlackHole (image: Akiyama et al and ApJL) Globe with six telescope sites labelled and with lines drawn between them. Acronyms on image: JCMT, SMA, SMT, LMT, PV, APEX, ALMA, SPT.
There's a brief write-up at @PhysicsWorld here:… with more images. Here's the image seen (left) compared with a simulation (middle) and the simulation blurred to the expected resolution of the telescope (right). (Image via Akiyama et al & ApJL) Blurry image as seen, left. (It looks like a fuzzy bright donut.) Center has a swirly sharp image with a bright ring and a dark hole in the middle, with a label of the scale showing 40 micro-arcseconds. Then on the right is the simulation image blurred so that it looks pretty much exactly like the observed image.
Read 10 tweets
In few minutes, astronomers across the globe will hold six major press conferences simultaneously to announce the first results of the Event Horizon Telescope (EHT), which was designed precisely for that purpose Watch LIVE:
More about the Event Horizon Telescope, an international collaboration aiming to capture the first image of a black hole by creating a virtual Earth-sized telescope
Read 14 tweets

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