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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20220721T103000
DTEND;TZID=Atlantic/Canary:20220721T113000
UID:iactalks-1600
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1600
CREATED:2022-07-21T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The Atacama Large Aperture Submillimeter telescope (AtLAST) design 
 study
DESCRIPTION:The Atacama Large Aperture Submillimeter telescope (AtLAST) des
 ign study\nDr. Evanthia Hatziminaoglou\n\nAstrophysical observations at (s
 ub)mm wavelengths (from ~300 micron to  ~3mm) allow us to study the cold a
 nd dense material in the Universe, hence  probing the formation of stars a
 nd planets, and the interstellar and circumgalactic medium within galaxies
  across cosmic time. The current generation of 15m-class single-dish teles
 copes has delivered some of the first surveys at (sub)mm wavelengths, allo
 wing to go far beyond the previously  optical-biased view of the Universe.
  Follow-up observations with interferometers then revealed in exquisite de
 tail the morphology and kinematics of such (sub)mm sources. However, it is
  now clear that without a transformative change in the capabilities of sin
 gle-dish facilities in the 2030s, interferometers will soon become source-
 starved. The current generation of 15m-class  single- dish telescopes, wit
 h their limited fields of view, spatial resolutions,  and sensitivities, c
 an only reveal the "peak of the iceberg" of the (sub)mm source population,
  both for Galactic and extragalactic studies. These limitations cannot be 
 fully mitigated by interferometers, which are all intrinsically affected b
 y a low mapping speed and by the loss of diffuse extended signals. The Ata
 cama Large Aperture Submillimeter telescope (AtLAST) project is a concept 
 for a 50m diameter single dish observatory to be built near the ALMA site.
  With its extremely large field of view (the  goal is ~2 degrees), spatial
  resolution (up to ~1'' at 350 micron) and  sensitivity to both point sour
 ces and large-scale structures, AtLAST will be transformational for all fi
 elds of astronomy in the 2030s. In this talk I will describe the EU Horizo
 n2020-funded project that aims to deliver a comprehensive design study for
  such a next-generation single-dish facility.
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