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Journal article

SDSS-IV MaNGA: variation of the stellar initial mass function in spiral and early-type galaxies

Abstract:

We perform Jeans anisotropic modeling (JAM) on elliptical and spiral galaxies from the MaNGA DR13 sample. By comparing the stellar mass-to-light ratios estimated from stellar population synthesis and from JAM, we find a systematic variation of the initial mass function (IMF) similar to that in the earlier ${\mathrm{ATLAS}}^{3{\rm{D}}}$ results. Early-type galaxies (elliptical and lenticular) with lower velocity dispersions within one effective radius are consistent with a Chabrier-like IMF, w...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3847/1538-4357/aa662a

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Funding agency for:
Cappellari, M
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Grant:
Strategic Priority Research Program “The Emergence of Cosmological Structures” XDB09000000
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Grant:
11333003, 11390372, 11303033, 11511130054, 11333001
Newton Fund More from this funder
World Premier International Research Center Initiative More from this funder
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Publisher:
IOP Publishing Publisher's website
Journal:
Astrophysical Journal Journal website
Volume:
838
Issue:
2
Publication date:
2017-03-29
Acceptance date:
2017-03-15
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Source identifiers:
687687
Keywords:
Pubs id:
pubs:687687
UUID:
uuid:15cbdf0f-6466-4567-9241-6a4663727a78
Local pid:
pubs:687687
Deposit date:
2017-03-31

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