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  • Lee, BumhyunBeijing University of Technology,Korea Astronomy and Space Science Institute,Yonsei University (author)

The Impact of the Group Environment on the Molecular Gas and Star Formation Activity

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2021
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:14130438-9fa4-4631-bc84-d80d33a33520
  • https://doi.org/10.1017/S1743921322004392DOI
  • https://research.chalmers.se/publication/536585URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:kap swepub-publicationtype
  • Subject category:vet swepub-contenttype

Notes

  • At least half of the local galaxies reside in galaxy groups, which indicates that the group is the common environment where galaxies evolve. Therefore, it is important to probe how significantly galaxies are affected by group environmental processes, in order to obtain a better understanding of galaxy evolution. We carried out a new CO imaging survey for 31 galaxies in the IC 1459 and NGC 4636 groups, using the Atacama Compact Array, to study the effect of the group environment on the molecular gas properties and the star formation activity. With our resolved CO data, combined with high-resolution H i images, we find asymmetric CO and H i distributions in the group galaxies. Compared to isolated galaxies, group members have relatively low molecular gas fraction and low star formation rate. These results suggest that the group environment can change the properties of cold gas components and star formation in group galaxies.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Wang, JingBeijing University of Technology (author)
  • Chung, AereeYonsei University (author)
  • Ho, Luis C.Beijing University of Technology (author)
  • Molina Tobar, Juan Andrés,1991Beijing University of Technology,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)juanan (author)
  • Wang, ShunBeijing University of Technology (author)
  • Kim, YongjungKyungpook National University (author)
  • For, Bi QingUniversity of Western Australia (author)
  • Koribalski, B.Commonwealth Scientific and Industrial Research Organisation (CSIRO),Western Sydney University (author)
  • Spekkens, K.Royal Military College of Canada (author)
  • Bosma, A.Laboratoire d'Astrophysique de Marseille (author)
  • Holwerda, B. W.University of Louisville (author)
  • Verdes-Montenegro, L.Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA) (author)
  • Beijing University of TechnologyKorea Astronomy and Space Science Institute (creator_code:org_t)

Related titles

  • In:Proceedings of the International Astronomical Union17, s. 136-1391743-92131743-9221

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