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Formation of a Mass...
Formation of a Massive Lenticular Galaxy Under the Tidal Interaction with a Group of Dwarf Galaxies
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- Xu, Jin-Long (författare)
- Chinese Academy of Sciences,Guizhou University
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- Zhu, Ming (författare)
- Guizhou University,Chinese Academy of Sciences
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- Hess, Kelley, 1983 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Yu, Naiping (författare)
- Guizhou University,Chinese Academy of Sciences
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- Zhang, Chuan-Peng (författare)
- Guizhou University,Chinese Academy of Sciences
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- Liu, Xiao-Lan (författare)
- Guizhou University,Chinese Academy of Sciences
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- Ai, Mei (författare)
- Chinese Academy of Sciences,Guizhou University
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- Jiang, Peng (författare)
- Chinese Academy of Sciences,Guizhou University
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- Wang, Jie (författare)
- Chinese Academy of Sciences
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Astrophysical Journal Letters. - 2041-8213 .- 2041-8205. ; 958:2
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://doi.org/10.3...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Based on the atomic-hydrogen (H i) observations using the Five-hundred-meter Aperture Spherical radio Telescope, we present a detailed study of the gas-rich massive S0 galaxy NGC 1023 in a nearby galaxy group. The presence of a H i extended warped disk in NGC 1023 indicates that this S0 galaxy originated from a spiral galaxy. The data also suggest that NGC 1023 is interacting with four dwarf galaxies. In particular, one of the largest dwarf galaxies has fallen into the gas disk of NGC 1023, forming a rare bright-dark galaxy pair with a large gas clump. This clump shows the signature of a galaxy but has no optical counterpart, implying that it is a newly formed starless galaxy. Our results first suggest that a massive S0 galaxy in a galaxy group can form via the morphological transformation from a spiral under the joint action of multiple tidal interactions.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- galaxy formation
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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- Av författaren/redakt...
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Xu, Jin-Long
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Zhu, Ming
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Hess, Kelley, 19 ...
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Yu, Naiping
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Zhang, Chuan-Pen ...
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Liu, Xiao-Lan
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visa fler...
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Ai, Mei
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Jiang, Peng
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Wang, Jie
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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Chalmers tekniska högskola