Neralwar, K. R., Colombo, D., Duarte-Cabral, A., Urquhart, J. S., Mattern, M., Wyrowski, F., Menten, K. M., Barnes, P., Sanchez-Monge, A., Rigby, A. J., Mazumdar, P., Eden, D., Csengeri, T., Dobbs, C. L., Veena, V. S., Neupane, S., Henning, T., Schuller, F., Leurini, S., Wienen, M., Yang, A. Y., Ragan, S. E., Medina, S. and Nguyen-Luong, Q. (2022). The SEDIGISM survey: Molecular cloud morphology II. Integrated source properties. Astron. Astrophys., 664. LES ULIS CEDEX A: EDP SCIENCES S A. ISSN 1432-0746

Full text not available from this repository.

Abstract

The Structure, Excitation, and Dynamics of the Inner Galactic InterStellar Medium (SEDIGISM) survey has produced high (spatial and spectral) resolution (CO)-C-13 (2-1) maps of the Milky Way. It has allowed us to investigate the molecular interstellar medium in the inner Galaxy at an unprecedented level of detail and characterise it into molecular clouds (MCs). In a previous paper, we classified the SEDIGISM clouds into four morphologies. However, how the properties of the clouds vary for these four morphologies is not well understood. Here, we use the morphological classification of SEDIGISM clouds to find connections between the cloud morphologies, their integrated properties, and their location on scaling relation diagrams. We observe that ring-like clouds show the most peculiar properties, having, on average, higher masses, sizes, aspect ratios, and velocity dispersions, compared to other morphologies. We speculate that this is related to the physical mechanisms that regulate their formation and evolution; for example, turbulence from stellar feedback can often result in the creation of bubble-like structures. We also see a trend of morphology with the virial parameter, whereby ring-like, elongated, clumpy, and concentrated clouds have virial parameters in decreasing order. Our findings provide a foundation for a better understanding of MC behaviour, based on their measurable properties.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Neralwar, K. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Colombo, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Duarte-Cabral, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Urquhart, J. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mattern, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wyrowski, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menten, K. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barnes, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sanchez-Monge, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rigby, A. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mazumdar, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eden, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Csengeri, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dobbs, C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Veena, V. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Neupane, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Henning, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schuller, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leurini, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wienen, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yang, A. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ragan, S. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Medina, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nguyen-Luong, Q.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-694460
DOI: 10.1051/0004-6361/202142513
Journal or Publication Title: Astron. Astrophys.
Volume: 664
Date: 2022
Publisher: EDP SCIENCES S A
Place of Publication: LES ULIS CEDEX A
ISSN: 1432-0746
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
STAR-FORMATION; MAGNETIC-FIELDS; DATA RELEASE; FEEDBACK; REGIONS; BUBBLES; GAS; TURBULENCE; DYNAMICS; CATALOGMultiple languages
Astronomy & AstrophysicsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69446

Downloads

Downloads per month over past year

Altmetric

Export

Actions (login required)

View Item View Item