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The KMOS Redshift One Spectroscopic Survey (KROSS): the origin of disk turbulence in z~0.9 star-forming galaxies

Abstract:

We analyse the velocity dispersion properties of 472 z~0.9 star-forming galaxies observed as part of the KMOS Redshift One Spectroscopic Survey (KROSS). The majority of this sample is rotationally dominated (83 +/- 5% with v_C/sigma_0 > 1) but also dynamically hot and highly turbulent. After correcting for beam smearing effects, the median intrinsic velocity dispersion for the final sample is sigma_0 = 43.2 +/- 0.8 km/s with a rotational velocity to dispersion ratio of v_C/sigma_0 = 2.6 +/...

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Not published
Peer review status:
Not peer reviewed
Version:
Author's Original

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Pubs id:
pubs:708240
URN:
uri:887918ee-a90a-4fea-a4a9-91a80326cddd
UUID:
uuid:887918ee-a90a-4fea-a4a9-91a80326cddd
Local pid:
pubs:708240
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