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Table · dataset · 2015

SFRs of Brightest Cluster Galaxies

Listed in IVOA Registry (Virtual Observatory)

We present the mid-infrared star formation rates of 245 X-ray selected, nearby (z<0.1) brightest cluster galaxies (BCGs).

Description

A homogeneous and volume limited sample of BCGs was created by X-ray selecting clusters with Lx>1x10^44^erg/s. The Wide-Field Infrared Survey Explorer (WISE) All WISE Data Release provides the first measurement of the 12{mu}m star formation indicator for all BCGs in the nearby Universe.

Perseus A and Cygnus A are the only galaxies in our sample to have star formation rates of >40M_{sun}_/yr, indicating that these two galaxies are highly unusual at current times. Stellar populations of 99+/-0.6 per cent of local BCGs are (approximately) passively evolving, with star formation rates of <10M_{sun}_/yr. We find that in general, star formation produces only modest BCG growth at the current epoch.

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Catalogue records · 2

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Stated by source
Infrared
Inferred from text
Astronomical sciences 70%
Provenance · 1 source records, 9 field assertions
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IVOA Registry (Virtual Observatory)ivo://cds.vizier/j/mnras/444/l6313 d agoJSON v1
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concepts[field].local:field:astronomymapping · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].ivoa_waveband:infraredsource · IVOA Registryconnector:ivoa_registry@1.0.0
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