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

As we learn more about the multi-scale interstellar medium (ISM) of our Galaxy, we develop a greater understanding for the complex relationships between the large-scale diffuse gas and dust in Giant Molecular Clouds (GMCs), how it moves, how it is affected by the nearby massive stars, and which port...

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Published in:Open research Europe 2024, Vol.4, p.112
Main Authors: Klaassen, Pamela, Traficante, Alessio, Beltrán, Maria, Pattle, Kate, Booth, Mark, Lovell, Joshua, Marshall, Jonathan, Hacar, Alvaro, Gaches, Brandt, Bot, Caroline, Peretto, Nicolas, Stanke, Thomas, Arzoumanian, Doris, Duarte Cabral, Ana, Duchêne, Gaspard, Eden, David, Hales, Antonio, Kauffmann, Jens, Luppe, Patricia, Marino, Sebastian, Redaelli, Elena, Rigby, Andrew, Sánchez-Monge, Álvaro, Schisano, Eugenio, Semenov, Dmitry, Spezzano, Silvia, Thompson, Mark, Wyrowski, Friedrich, Cicone, Claudia, Mroczkowski, Tony, Cordiner, Martin, Di Mascolo, Luca, Johnstone, Doug, van Kampen, Eelco, Lee, Minju, Liu, Daizhong, Maccarone, Thomas, Saintonge, Amélie, Smith, Matthew, Thelen, Alexander, Wedemeyer, Sven
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container_issue
container_start_page 112
container_title Open research Europe
container_volume 4
creator Klaassen, Pamela
Traficante, Alessio
Beltrán, Maria
Pattle, Kate
Booth, Mark
Lovell, Joshua
Marshall, Jonathan
Hacar, Alvaro
Gaches, Brandt
Bot, Caroline
Peretto, Nicolas
Stanke, Thomas
Arzoumanian, Doris
Duarte Cabral, Ana
Duchêne, Gaspard
Eden, David
Hales, Antonio
Kauffmann, Jens
Luppe, Patricia
Marino, Sebastian
Redaelli, Elena
Rigby, Andrew
Sánchez-Monge, Álvaro
Schisano, Eugenio
Semenov, Dmitry
Spezzano, Silvia
Thompson, Mark
Wyrowski, Friedrich
Cicone, Claudia
Mroczkowski, Tony
Cordiner, Martin
Di Mascolo, Luca
Johnstone, Doug
van Kampen, Eelco
Lee, Minju
Liu, Daizhong
Maccarone, Thomas
Saintonge, Amélie
Smith, Matthew
Thelen, Alexander
Wedemeyer, Sven
description As we learn more about the multi-scale interstellar medium (ISM) of our Galaxy, we develop a greater understanding for the complex relationships between the large-scale diffuse gas and dust in Giant Molecular Clouds (GMCs), how it moves, how it is affected by the nearby massive stars, and which portions of those GMCs eventually collapse into star forming regions. The complex interactions of those gas, dust and stellar populations form what has come to be known as the ecology of our Galaxy. Because we are deeply embedded in the plane of our Galaxy, it takes up a significant fraction of the sky, with complex dust lanes scattered throughout the optically recognizable bands of the Milky Way. These bands become bright at (sub-)millimetre wavelengths, where we can study dust thermal emission and the chemical and kinematic signatures of the gas. To properly study such large-scale environments, requires deep, large area surveys that are not possible with current facilities. Moreover, where stars form, so too do planetary systems, growing from the dust and gas in circumstellar discs, to planets and planetesimal belts. Understanding the evolution of these belts requires deep imaging capable of studying belts around young stellar objects to Kuiper belt analogues around the nearest stars. Here we present a plan for observing the Galactic Plane and circumstellar environments to quantify the physical structure, the magnetic fields, the dynamics, chemistry, star formation, and planetary system evolution of the galaxy in which we live with AtLAST; a concept for a new, 50m single-dish sub-mm telescope with a large field of view which is the only type of facility that will allow us to observe our Galaxy deeply and widely enough to make a leap forward in our understanding of our local ecology.
doi_str_mv 10.12688/openreseurope.17450.1
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Ana</au><au>Duchêne, Gaspard</au><au>Eden, David</au><au>Hales, Antonio</au><au>Kauffmann, Jens</au><au>Luppe, Patricia</au><au>Marino, Sebastian</au><au>Redaelli, Elena</au><au>Rigby, Andrew</au><au>Sánchez-Monge, Álvaro</au><au>Schisano, Eugenio</au><au>Semenov, Dmitry</au><au>Spezzano, Silvia</au><au>Thompson, Mark</au><au>Wyrowski, Friedrich</au><au>Cicone, Claudia</au><au>Mroczkowski, Tony</au><au>Cordiner, Martin</au><au>Di Mascolo, Luca</au><au>Johnstone, Doug</au><au>van Kampen, Eelco</au><au>Lee, Minju</au><au>Liu, Daizhong</au><au>Maccarone, Thomas</au><au>Saintonge, Amélie</au><au>Smith, Matthew</au><au>Thelen, Alexander</au><au>Wedemeyer, Sven</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Atacama Large Aperture Submillimeter Telescope (AtLAST) science: Our Galaxy</atitle><jtitle>Open research Europe</jtitle><addtitle>Open Res Eur</addtitle><date>2024</date><risdate>2024</risdate><volume>4</volume><spage>112</spage><pages>112-</pages><issn>2732-5121</issn><eissn>2732-5121</eissn><abstract>As we learn more about the multi-scale interstellar medium (ISM) of our Galaxy, we develop a greater understanding for the complex relationships between the large-scale diffuse gas and dust in Giant Molecular Clouds (GMCs), how it moves, how it is affected by the nearby massive stars, and which portions of those GMCs eventually collapse into star forming regions. The complex interactions of those gas, dust and stellar populations form what has come to be known as the ecology of our Galaxy. Because we are deeply embedded in the plane of our Galaxy, it takes up a significant fraction of the sky, with complex dust lanes scattered throughout the optically recognizable bands of the Milky Way. These bands become bright at (sub-)millimetre wavelengths, where we can study dust thermal emission and the chemical and kinematic signatures of the gas. To properly study such large-scale environments, requires deep, large area surveys that are not possible with current facilities. Moreover, where stars form, so too do planetary systems, growing from the dust and gas in circumstellar discs, to planets and planetesimal belts. Understanding the evolution of these belts requires deep imaging capable of studying belts around young stellar objects to Kuiper belt analogues around the nearest stars. Here we present a plan for observing the Galactic Plane and circumstellar environments to quantify the physical structure, the magnetic fields, the dynamics, chemistry, star formation, and planetary system evolution of the galaxy in which we live with AtLAST; a concept for a new, 50m single-dish sub-mm telescope with a large field of view which is the only type of facility that will allow us to observe our Galaxy deeply and widely enough to make a leap forward in our understanding of our local ecology.</abstract><cop>Belgium</cop><pub>European Commission, F1000 Research Limited</pub><pmid>39386150</pmid><doi>10.12688/openreseurope.17450.1</doi><orcidid>https://orcid.org/0000-0003-3586-4485</orcidid><orcidid>https://orcid.org/0000-0002-2419-3068</orcidid><orcidid>https://orcid.org/0000-0001-6118-2985</orcidid><orcidid>https://orcid.org/0000-0003-3315-5626</orcidid><orcidid>https://orcid.org/0000-0002-1018-6203</orcidid><orcidid>https://orcid.org/0000-0002-3078-9482</orcidid><orcidid>https://orcid.org/0000-0002-6327-5154</orcidid><orcidid>https://orcid.org/0000-0003-4357-3450</orcidid><orcidid>https://orcid.org/0000-0003-3816-5372</orcidid><orcidid>https://orcid.org/0000-0002-6773-459X</orcidid><orcidid>https://orcid.org/0000-0001-9773-7479</orcidid><orcidid>https://orcid.org/0000-0002-3532-6970</orcidid><orcidid>https://orcid.org/0000-0002-5094-6393</orcidid><orcidid>https://orcid.org/0000-0003-0522-6941</orcidid><orcidid>https://orcid.org/0000-0001-8568-6336</orcidid><oa>free_for_read</oa></addata></record>
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issn 2732-5121
2732-5121
language eng
recordid cdi_doaj_primary_oai_doaj_org_article_983f2c37d37c4607914d3fadf95c2ee1
source NORA - Norwegian Open Research Archives; PubMed Central (Training)
subjects Astronomical instrumentation methods and techniques
Case Study
eng
Sciences of the Universe
solar neighborhood
Submillimeter ISM
Submillimeter Magnetic fields
Submillimeter planetary systems
Submillimeter Surveys
Telescopes
The Galaxy
title Atacama Large Aperture Submillimeter Telescope (AtLAST) science: Our Galaxy
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