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Related Experiment Video

Updated: Jun 11, 2025

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Atacama Large Aperture Submillimeter Telescope (AtLAST) science: Our Galaxy.

Pamela Klaassen1, Alessio Traficante2, Maria Beltrán3

  • 1UK Astronomy Technology Centre, Royal Observatory Edinburgh, Edinburgh, EH9 3HJ, UK.

Open Research Europe
|October 10, 2024
PubMed
Summary

A new 50m telescope, AtLAST, is proposed to survey the Galactic Plane and study star and planet formation. This will enhance our understanding of our Galaxy's ecology and planetary system evolution.

Keywords:
Astronomical instrumentation methods and techniquesSubmillimeter ISMSubmillimeter Magnetic fieldsSubmillimeter SurveysSubmillimeter planetary systemsTelescopesThe Galaxysolar neighborhood

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Area of Science:

  • * Galactic Astronomy
  • * Astrochemistry
  • * Star Formation
  • * Exoplanetary Science

Background:

  • * The interstellar medium (ISM) is crucial for understanding galactic ecology, including Giant Molecular Clouds (GMCs), gas dynamics, and massive star interactions.
  • * Studying the Galactic Plane is challenging due to our embedded position and dust obscuration, requiring sensitive, large-area surveys.
  • * Planetary system evolution, from circumstellar discs to Kuiper belt analogues, is intrinsically linked to star formation processes within GMCs.

Purpose of the Study:

  • * To present a plan for observing the Galactic Plane and circumstellar environments using the proposed AtLAST telescope.
  • * To quantify the physical structure, magnetic fields, dynamics, chemistry, and star formation within our Galaxy.
  • * To investigate the evolution of planetary systems by studying dust and gas in various stages.

Main Methods:

  • * Proposing AtLAST, a 50m single-dish sub-millimetre telescope with a large field of view.
  • * Conducting deep, large-area surveys of the Galactic Plane.
  • * Performing deep imaging of circumstellar discs and belts around young stellar objects and nearby stars.

Main Results:

  • * AtLAST will enable unprecedented deep and wide observations of the Milky Way.
  • * The proposed observations will quantify key aspects of galactic structure, dynamics, and chemistry.
  • * This will provide crucial data for understanding star and planet formation.

Conclusions:

  • * AtLAST is essential for a significant leap forward in understanding our Galaxy's ecology.
  • * The telescope's capabilities will allow detailed studies of star formation and planetary system evolution.
  • * Comprehensive surveys are necessary to unravel the complex processes within our local galactic environment.