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Most pseudo-bulges can be formed at later stages of major mergers

Abstract:

Most giant spiral galaxies have pseudo or disc-like bulges that are considered to be the result of purely secular processes. This may challenge the hierarchical scenario predicting about one major merger per massive galaxy (>3 × 1010 M⊙) since the last ∼9 billion years. Here, we verify whether or not the association between pseudo-bulges and secular processes is irrevocable. Using GADGET2N-body/SPH simulations, we have conducted a systematic study of remnants of major mergers for which pro...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1093/mnras/stx2453

Authors


Publisher:
Oxford University Press
Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
473
Issue:
2
Pages:
2521-2541
Publication date:
2018-01-11
Acceptance date:
2017-09-18
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:817328
UUID:
uuid:b6ae4ea7-6210-4037-9fe3-b3d0f483a949
Local pid:
pubs:817328
Deposit date:
2018-02-12

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