ORCID Profile
0000-0003-4797-5246
Current Organisation
Saint Mary's University
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Publisher: IOP Publishing
Date: 03-2011
DOI: 10.1086/658931
Publisher: Oxford University Press (OUP)
Date: 15-05-2017
Publisher: Oxford University Press (OUP)
Date: 30-06-2014
Publisher: Oxford University Press (OUP)
Date: 17-11-2016
Publisher: Oxford University Press (OUP)
Date: 14-07-2017
Publisher: American Astronomical Society
Date: 06-04-2017
Publisher: American Astronomical Society
Date: 06-09-2011
Publisher: American Astronomical Society
Date: 04-04-2019
Publisher: Springer Science and Business Media LLC
Date: 10-2010
DOI: 10.1038/NATURE09452
Abstract: Observations of star formation and kinematics in early galaxies at high spatial and spectral resolution have shown that two-thirds are massive rotating disk galaxies, with the remainder being less massive non-rotating objects. The line-of-sight-averaged velocity dispersions are typically five times higher than in today's disk galaxies. This suggests that gravitationally unstable, gas-rich disks in the early Universe are fuelled by cold, dense accreting gas flowing along cosmic filaments and penetrating hot galactic gas halos. These accreting flows, however, have not been observed, and cosmic accretion cannot power the observed level of turbulence. Here we report observations of a s le of rare, high-velocity-dispersion disk galaxies in the nearby Universe where cold accretion is unlikely to drive their high star formation rates. We find that their velocity dispersions are correlated with their star formation rates, but not their masses or gas fractions, which suggests that star formation is the energetic driver of galaxy disk turbulence at all cosmic epochs.
Publisher: American Astronomical Society
Date: 12-07-2012
Publisher: American Astronomical Society
Date: 09-08-2017
Publisher: American Astronomical Society
Date: 18-07-2014
Publisher: Oxford University Press (OUP)
Date: 13-11-2013
Publisher: American Astronomical Society
Date: 14-12-2015
Publisher: Oxford University Press (OUP)
Date: 14-09-2017
Publisher: American Astronomical Society
Date: 27-03-2009
No related grants have been discovered for Ivana Damjanov.