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Subaru Telescope can now Analyze 2,400 Galaxies Simultaneously

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First light is an exciting time for astronomers and engineers who help bring new telescopes up to speed. One of the most recent and significant first light milestones recently occurred at the Subaru Telescope in Hawai’i. Though it has been in operation since 2005, the National Astronomical Observatory of Japan’s (NAOJ) main telescope recently received an upgrade that will allow it to simultaneously observe 2400 astronomical objects at once over a patch of sky the size of several moons.

Those 2400 objects will be observed by the Prime Focus Spectrograph (PFS), which itself has multiple subcomponents and was developed by around a dozen universities and companies on four continents. Its major components consist of a “Prime Focus Instrument,” which contains 2400 individual fibers and lets it concentrate on various parts of the sky. Data from those fibers is then fed to a Spectrograph System (SpS), which analyzes it to produce the data used in scientific papers.

The SpS consists of four separate spectrographs, covering spectra from the ultraviolet to the near-infrared, much more than a human eye can take in alone. Or, as a press release from NAOJ puts it more poetically, it covers “one and a half rainbows.” 

Presentation on how to use the PFS in cosmology.
Credit – ESO (ASIAA) YouTube Channel / Ryu Makiya

Unfortunately, these sensitive instruments won’t usually be used to capture rainbows, but theoretically, the Wide Field Corrector could. It is a seven-lens optical system developed specifically for this upgrade that allows Subaru’s operators to correct for errors in image collection before they become a problem.

There are also some supporting systems to enable the actual data collection to take place. n addition to the SpS, the PFS utilizes a giant 8960 x 5778 pixel CMOS camera known as the Metrology Camera System to track where precisely the fibers collecting the data are located. If any are out of place, it could throw off the data the system collects. 

All of these upgrades come with high hopes – the goal of the PFS upgrade is literally to understand where the universe came from and where it’s going. It will coordinate with the Hyper Suprime-Cam already installed in an effort to “reveal the nature of dark matter and dark energy, structure formation in the universe, and the physical processes of galaxy formation and evolution.

Take a virtual tour of the Subaru telescope.
Credit – SCExAO YouTube Channel

That’s a lot for one telescope upgrade, but it will surely have lots of data to analyze. Maybe the team could implement an eyepiece to attach to the PFS before it starts collecting data like it did when the telescope was first commissioned back in 2005. Potentially, the team that worked so hard on it could even actually see some rainbows then.

Learn More:
NAOJ – 2400 New Eyes on the Sky to See Cosmic Rainbows
Prime Focus Spectrograph
UT – Astronomers set a new Record and Find the Farthest Galaxy. Its Light Took 13.4 Billion Years to Reach us
UT – Subaru Telescope Sees 1800 Supernovae

Lead Image:
Image of the PFS mounted on the telescope.
Credit – Kavli IPMU

The post Subaru Telescope can now Analyze 2,400 Galaxies Simultaneously appeared first on Universe Today.


Source: https://www.universetoday.com/158797/subaru-telescope-can-now-analyze-2400-galaxies-simultaneously/


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    Question   Razz  Sad   Evil  Exclaim  Smile  Redface  Biggrin  Surprised  Eek   Confused   Cool  LOL   Mad   Twisted  Rolleyes   Wink  Idea  Arrow  Neutral  Cry   Mr. Green

    Total 4 comments
    • LOSERS_NEVER_ GO_VIRAL

      ….. Listen… like you…. I know who I am… confident in the fact.. that.. I… am… NOBODY….
      ….. And .. we’re good with that… you don’t need me being someone who tell you shippppp….
      ….. Cause you know… what you know… so don’t be suck a dikkkkkk and share it with the rest of us [ richard ]
      ….. Want you to know.. what I know… cause when we talk… or you see something that contradicts
      ….. What we know… especially if I DON’T KNOW… or even if I DO KNOW…. THIS IS GONNA BE YOUR PLACE..
      ….. To share your view of what you know.. or what you DO KNOW…
      ….. CAUSE… since TRUMP is dead [ not the topic of discussion ] and there are 2 clones of TRUMP
      ….. [ which I have gone over before and we can go over later ]
      ….. The question at hand is… ” HOW MANY TRUMPS ” on the field of play….
      ….. Simple as that… You being who your are…. knowing what you know…. seeing what you see
      ….. Makes you feel what you feel… and that’s what is worth talking about… but where do you learn shippp.

      ….. We’ll see…. and when we do… bring what you got… support to/of your thoughts on the issue at hand
      ….. Gonna always be good to add your data to my collection.. and anyone can capture my data as we we see…
      ….. But I’m not telling you shipppp… no lectures… you get to see what I saw… and decide what you know…

      …………….. came to say about this TELESCOPE…

      • LOSERS_NEVER_ GO_VIRAL

        …………….. came to say about this TELESCOPE THING… Not sure what we know… cause something weird was
        ….. most reciently added to the mix… and you got to tell me…. what you got and what you know…
        ….. Go watch the SG Anon thing from the other day…. he opened up a keg of WORMS.. that was unexpected
        ….. Best part of intel is the unexpected intel…

        ….. where was that.. link……
        …. /prophecy/2022/11/sganon-truthstream-trump-announcement-was-juuuge-reflections-2535847.html

        …. This is ” FIRMAMANT ” CONVERSATION… that will piss you off… like talking to someone from DARPA
        …. Who has inside factual information and details that has been hidden from HUMANITY SINCE FOREVER !!!!!
        …. And… ya know… I want you to know… that kind of ship.. is the kind of ship kept from us our whole lives
        …. But the same lieing entities and collective ” A-U-R ” who has supressed US.. HUMANITY….
        ……….. Where you will learn.. the CLONING FACILITIES… are a part of DISNEY CORP.. and do you know why ???
        …. Because DISNEY was founded by HITLER – PROJECT PAPERCLIP FUNDING …as well as was N A S A…
        …. So we knew all our lives about the MOON LANDING FAKE FRAUD EVENTS… and it is the same corrupt
        …. Us military who has been holding common place knowledge from HUMANITY to further our FUTURE…..

        ————-

        ….. That aside… what ” S G ” talks about has a reference to this telescope… which in…

        • LOSERS_NEVER_ GO_VIRAL

          ….. That aside… what ” S G ” talks about has a reference to this telescope… which in the narrative
          ….. he details that seeing the stars in the far away distance…. when you listen to S G he lays out quickly
          ….. that the stars and moon and elements we are thinking we see beyond the firmament…
          ………. are actually imbedded into the firmament…
          ….. And I spent quite some time a year or so ago following the global constallations
          ….. BIG BIG BIG GLOBAL WEEK LONG EVENT… and learned… :) they were wrong from the astronomers
          ….. AND OTHERS… who could not get a word in edgewise to correct or file objections to the world so called
          ….. leaders of astronomy….. and it came down to one thing……
          ….. where either once a year…or every 3 years… what we see reflected up in the firmament as our universal
          ….. galaxy…. has to be calsulated and adjusted so the map to it’s finest calculation.. stays constant….
          ……………… because it is not real… an the long term IMAGRY… CAN NOT BE CONTAINED…

          …. Where some one was indicating… the worlds events and economy and daily existance… depend or is being
          …. determined by the events fortold.. in the stars…
          ….. SO….. :) IN THE MIDST OF AN ASTRONOMY SEMINAR WORL EVENT..
          ………… WITCHCRAFT AND SPELLS… AND THE UPCOMING ASCENDTION to 5D… WAS TALK IN THE MIX.
          … BUT NOT PUBLICALLY AND IN COVERT ROOMS AND EVENTS WHERE YOU COULD NOT GET ACCESS
          … BUT WE COULD…

          • LOSERS_NEVER_ GO_VIRAL

            … BUT WE COULD SEE VIDEOS OF THE EVENT ON TUBE.. AND THE BEST PART WAS SCROLLING DOWN THE
            … HUNDREDS AND HUNDREDS OF COMMENTS… TALKING ABOUT EVERYTHING… THAT I AM briefly sharing
            …. with you.. that they shoul not have been discussing…..
            …………..and that wenton the whole month while the conference was goingon…

            ………. THAT SHIP !!!! WAS AMAZING
            …. Lets hole something I have said in this rambling.. will get some to just look and surf and sneak up on em
            …. When they think no one is listening… :) that would be me… ” NOBODY “

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