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The effect of minor and major mergers on the evolution of low-excitation radio galaxies

Abstract:

We use deep, μ r ≲ 28 mag arcsec−2, r-band imaging from the Dark Energy Camera Legacy Survey to search for past, or ongoing, merger activity in a sample of 282 low-excitation radio galaxies (LERGs) at z < 0.07. Our principal aim is to assess the the role of mergers in the evolution of LERGs. Exploiting the imaging depth, we classify tidal remnants around galaxies as both minor and major morphological disturbances for our LERG sample and 1622 control galaxies matched in redshift, stellar ma...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.3847/1538-4357/ab203f

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Publisher:
American Astronomical Society Publisher's website
Journal:
Astrophysical Journal Journal website
Volume:
878
Issue:
2
Pages:
Article: 88
Publication date:
2019-06-18
Acceptance date:
2019-04-30
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Pubs id:
pubs:995406
URN:
uri:fbdb831e-067e-4556-9760-7e704b199d93
UUID:
uuid:fbdb831e-067e-4556-9760-7e704b199d93
Local pid:
pubs:995406

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