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The Impact of the G...
The Impact of the Group Environment on the Molecular Gas and Star Formation Activity
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- Lee, Bumhyun (författare)
- Beijing University of Technology,Korea Astronomy and Space Science Institute,Yonsei University
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- Wang, Jing (författare)
- Beijing University of Technology
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- Chung, Aeree (författare)
- Yonsei University
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- Ho, Luis C. (författare)
- Beijing University of Technology
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- Molina Tobar, Juan Andrés, 1991 (författare)
- Beijing University of Technology,Chalmers tekniska högskola,Chalmers University of Technology
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- Wang, Shun (författare)
- Beijing University of Technology
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- Kim, Yongjung (författare)
- Kyungpook National University
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- For, Bi Qing (författare)
- University of Western Australia
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- Koribalski, B. (författare)
- Commonwealth Scientific and Industrial Research Organisation (CSIRO),Western Sydney University
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- Spekkens, K. (författare)
- Royal Military College of Canada
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- Bosma, A. (författare)
- Laboratoire d'Astrophysique de Marseille
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- Holwerda, B. W. (författare)
- University of Louisville
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- Verdes-Montenegro, L. (författare)
- Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)
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(creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Proceedings of the International Astronomical Union. - 1743-9213 .- 1743-9221. ; 17, s. 136-139
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Galaxies
- Galaxy groups
- Galaxy evolution
- Molecular gas
Publikations- och innehållstyp
- kap (ämneskategori)
- vet (ämneskategori)
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- Av författaren/redakt...
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Lee, Bumhyun
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Wang, Jing
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Chung, Aeree
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Ho, Luis C.
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Molina Tobar, Ju ...
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Wang, Shun
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visa fler...
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Kim, Yongjung
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For, Bi Qing
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Koribalski, B.
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Spekkens, K.
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Bosma, A.
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Holwerda, B. W.
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Verdes-Montenegr ...
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visa färre...
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- NATURVETENSKAP
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Chalmers tekniska högskola