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1.	Corbalan, R, et al. (author) Analysis of Outcomes in Ischemic vs Nonischemic Cardiomyopathy in Patients With Atrial Fibrillation: A Report From the GARFIELD-AF Registry 2019 In: JAMA cardiology. - : American Medical Association (AMA). - 2380-6591 .- 2380-6583. ; 4:6, s. 526-548 Journal article (peer-reviewed)
2.	Urquhart, J. S., et al. (author) SEDIGISM-ATLASGAL: Dense gas fraction and star formation efficiency across the Galactic disc 2021 In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 500:3, s. 3050-3063 Journal article (peer-reviewed)abstract By combining two surveys covering a large fraction of the molecular material in the Galactic disc, we investigate the role spiral arms play in the star formation process. We have matched clumps identified by APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) with their parental giant molecular clouds (GMCs) as identified by SEDIGISM, and use these GMC masses, the bolometric luminosities, and integrated clump masses obtained in a concurrent paper to estimate the dense gas fractions (DGFgmc = ΣMclump/Mgmc) and the instantaneous star formation efficiencies (i.e. SFEgmc = ΣLclump/Mgmc). We find that the molecular material associated with ATLASGAL clumps is concentrated in the spiral arms (∼60 per cent found within ±10 km s-1 of an arm).We have searched for variations in the values of these physical parameters with respect to their proximity to the spiral arms, but find no evidence for any enhancement that might be attributable to the spiral arms. The combined results from a number of similar studies based on different surveys indicate that, while spiral-arm location plays a role in cloud formation and HI to H2 conversion, the subsequent star formation processes appear to depend more on local environment effects. This leads us to conclude that the enhanced star formation activity seen towards the spiral arms is the result of source crowding rather than the consequence of any physical process.

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Type of publication: journal article (2)

Type of content: peer-reviewed (2)

Author/Editor: Gjertsen, E (1); Chen, X. (1); Endo, M. (1); Ferrer, A. (1); Fournier, D. (1); Hirose, M. (1); show more...; Howard, J. (1); Jackson, P. (1); Kim, H. (1); Kobayashi, T. (1); Lee, H. (1); Li, H. (1); Li, L. (1); Liu, B. (1); Love, J. (1); Mueller, K. (1); Mueller, T. (1); Nakamura, T. (1); Nielsen, J. (1); Nowak, S. (1); Takeda, H. (1); Yamaguchi, H. (1); Yamamoto, K. (1); Zhang, R. (1); Haas, S. (1); Mazur, M. (1); Novakova, J. (1); Patel, N. (1); Davies, E. (1); Saito, T (1); Suzuki, S (1); Nikolaev, K. (1); Mori, T. (1); Kuznetsova, E. (1); Li, J. (1); Lutz, G. (1); Wright, D. (1); Kumar, S (1); Zhang, Y. (1); Clark, M. (1); Sharma, S. (1); Gustavsson, M (1); Kato, Y. (1); Ross, A. (1); Schwarz, T. (1); Wilson, P. (1); Yoshida, T. (1); Berge, T. (1); Dominguez, I. (1); Jacobs, P. (1); show less...

University: Chalmers University of Technology (1); Karolinska Institutet (1)

Language: English (2)

Research subject (UKÄ/SCB): Natural sciences (1); Engineering and Technology (1)

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