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Radio spectral properties of star-forming galaxies in the MIGHTEE-COSMOS field and their impact on the far-infrared-radio correlation

Abstract:

We study the radio spectral properties of 2094 star-forming galaxies (SFGs) by combining our early science data from the MeerKAT International GHz Tiered Extragalactic Exploration (MIGHTEE) survey with VLA, GMRT radio data, and rich ancillary data in the COSMOS field. These SFGs are selected at VLA 3 GHz, and their flux densities from MeerKAT 1.3 GHz and GMRT 325 MHz imaging data are extracted using the ‘superdeblending’ technique. The median radio spectral index is α3GHz1.3GHz=−0.80±0.01 wit...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/stab2290

Authors


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Role:
Author
ORCID:
0000-0001-7943-0166
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Role:
Author
ORCID:
0000-0002-6748-0577
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Oxford college:
St Cross College
Role:
Author
ORCID:
0000-0001-7039-9078
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
ORCID:
0000-0003-2265-5983
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
507
Issue:
256
Pages:
2643-2658
Publication date:
2021-08-09
Acceptance date:
2021-08-04
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Language:
English
Keywords:
Pubs id:
1190286
Local pid:
pubs:1190286
Deposit date:
2021-09-15

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