The SEDIGISM survey: First Data Release and overview of the Galactic structure

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The SEDIGISM survey: First Data Release and overview of the Galactic structure

Schuller, F. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),European Southern Observatory Santiago,Leibniz-Institut Für Astrophysik Potsdam,Leibniz Institute for Astrophysics Potsdam

Urquhart, J. S. (author): University Of Kent

Csengeri, T. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Université de Bordeaux,University of Bordeaux

Colombo, D. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Duarte-Cabral, A. (author): Cardiff University

Mattern, M. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Ginsburg, A. (author): University of Florida

Pettitt, A. R. (author): Hokkaido University

Wyrowski, F. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Anderson, L. (author): West Virginia University

Azagra, F. (author): European Southern Observatory Santiago

Barnes, P. (author): Space Science Institute

Beltran, M. (author): Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory

Beuther, H. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Billington, S. (author): University Of Kent

Bronfman, L. (author): Universidad de Chile (UCH),University of Chile (UCH)

Cesaroni, R. (author): Osservatorio Astrofisico di Arcetri,Arcetri Astrophysical Observatory

Dobbs, C. (author): University of Exeter

Eden, D. (author): Liverpool John Moores University

Lee, M-Y (author): Korea Astronomy and Space Science Institute

Medina, S-N X. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Menten, K. M. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Moore, T. (author): Liverpool John Moores University

Montenegro-Montes, F. M. (author): European Southern Observatory Santiago

Ragan, S. (author): Cardiff University

Rigby, A. (author): Cardiff University

Riener, M. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Russeil, D. (author): Aix-Marseille Université,Aix Marseille University

Schisano, E. (author): Istituto nazionale di astrofisica (INAF)

Sanchez-Monge, A. (author): Universität zu Köln,University of Cologne

Traficante, A. (author): Istituto nazionale di astrofisica (INAF)

Zavagno, A. (author): Aix-Marseille Université,Aix Marseille University

Agurto, C. (author): European Southern Observatory Santiago

Bontemps, S. (author): Université de Bordeaux,University of Bordeaux

Finger, R. (author): Universidad de Chile (UCH),University of Chile (UCH)

Giannetti, A. (author): Istituto nazionale di astrofisica (INAF)

Gonzalez, E. (author): European Southern Observatory Santiago

Hernandez, A. K. (author): University of Wisconsin Madison

Henning, T. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Kainulainen, Jouni, 1979 (author): Chalmers tekniska högskola,Chalmers University of Technology

Kauffmann, J. (author): Massachusetts Institute of Technology (MIT)

Leurini, S. (author): Istituto nazionale di astrofisica (INAF)

Lopez, S. (author): University of Florida

Mac-Auliffe, F. (author): European Southern Observatory Santiago

Mazumdar, P. (author): Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

Molinari, S. (author): Istituto nazionale di astrofisica (INAF)

Motte, F. (author): Université Grenoble Alpes,Grenoble Alpes University

Muller, E. (author): Macquarie University

Nguyen-Luong, Q. (author): McMaster University

Parra, R. (author): European Southern Observatory Santiago

Perez-Beaupuits, J-P (author): European Southern Observatory Santiago

Schilke, P. (author): Universität zu Köln,University of Cologne

Schneider, N. (author): Universität zu Köln,University of Cologne

Suri, S. (author): Universität zu Köln,University of Cologne

Testi, L. (author): European Southern Observatory Santiago

Torstensson, K. (author): European Southern Observatory Santiago

Veena, V. S. (author): Universität zu Köln,University of Cologne

Venegas, P. (author): European Southern Observatory Santiago

Wang, K. (author): Beijing University of Technology

Wienen, M. (author): University of Exeter,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)

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Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) European Southern Observatory Santiago (creator_code:org_t)

2020-09-11
2021
English.
In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 500:3, s. 3064-3082

Related links:: https://research.cha... (primary) (free); show more...; https://academic.oup...; https://doi.org/10.1...; https://research.cha...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

The SEDIGISM (Structure, Excitation and Dynamics of the Inner Galactic InterstellarMedium) survey used the APEX telescope to map 84 deg(2) of the Galactic plane between l = -60 degrees and +31 degrees in several molecular transitions, including (CO)-C-13(2 - 1) and (CO)-O-18(2 - 1), thus probing the moderately dense (similar to 10(3) cm(-3)) component of the interstellar medium. With an angular resolution of 30 arcsec and a typical 1 sigma sensitivity of 0.8-1.0K at 0.25 km s(-1) velocity resolution, it gives access to a wide range of structures, from individual star-forming clumps to giant molecular clouds and complexes. The coverage includes a good fraction of the first and fourth Galactic quadrants, allowing us to constrain the large-scale distribution of cold molecular gas in the inner Galaxy. In this paper, we provide an updated overview of the full survey and the data reduction procedures used. We also assess the quality of these data and describe the data products that are being made publicly available as part of this First Data Release (DR1). We present integrated maps and position-velocity maps of the molecular gas and use these to investigate the correlation between the molecular gas and the large-scale structural features of the Milky Way such as the spiral arms, Galactic bar and Galactic Centre. We find that approximately 60 per cent of the molecular gas is associated with the spiral arms and these appear as strong intensity peaks in the derived Galactocentric distribution. We also find strong peaks in intensity at specific longitudes that correspond to the Galactic Centre and well-known star-forming complexes, revealing that the 13CO emission is concentrated in a small number of complexes rather than evenly distributed along spiral arms.

Subject headings

NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geofysik (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geophysics (hsv//eng)

Keyword

radio lines: ISM
ISM: structure
Galaxy: kinematics and dynamics
surveys

Publication and Content Type

art (subject category)
ref (subject category)

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By the author/editor: Schuller, F.; Urquhart, J. S.; Csengeri, T.; Colombo, D.; Duarte-Cabral, A ...; Mattern, M.; show more...; Ginsburg, A.; Pettitt, A. R.; Wyrowski, F.; Anderson, L.; Azagra, F.; Barnes, P.; Beltran, M.; Beuther, H.; Billington, S.; Bronfman, L.; Cesaroni, R.; Dobbs, C.; Eden, D.; Lee, M-Y; Medina, S-N X.; Menten, K. M.; Moore, T.; Montenegro-Monte ...; Ragan, S.; Rigby, A.; Riener, M.; Russeil, D.; Schisano, E.; Sanchez-Monge, A ...; Traficante, A.; Zavagno, A.; Agurto, C.; Bontemps, S.; Finger, R.; Giannetti, A.; Gonzalez, E.; Hernandez, A. K.; Henning, T.; Kainulainen, Jou ...; Kauffmann, J.; Leurini, S.; Lopez, S.; Mac-Auliffe, F.; Mazumdar, P.; Molinari, S.; Motte, F.; Muller, E.; Nguyen-Luong, Q.; Parra, R.; Perez-Beaupuits, ...; Schilke, P.; Schneider, N.; Suri, S.; Testi, L.; Torstensson, K.; Veena, V. S.; Venegas, P.; Wang, K.; Wienen, M.; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Astronomy Astrop ...

NATURAL SCIENCES: NATURAL SCIENCES; and Chemical Science ...; and Other Chemistry ...

NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Geophysics

Articles in the publication: Monthly Notices ...

By the university: Chalmers University of Technology

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