SIMBAD references

2022MNRAS.511.5782R - Mon. Not. R. Astron. Soc., 511, 5782-5796 (2022/April-3)

The DUVET Survey: Resolved maps of star formation-driven outflows in a compact, starbursting disc galaxy.

REICHARDT CHU B., FISHER D.B., NIELSEN N.M., CHISHOLM J., GIRARD M., KACPRZAK G.G., BOLATTO A., HERRERA-CAMUS R., SANDSTROM K., LI M., RICKARDS VAUGHT R. and McPHERSON D.K.

Abstract (from CDS):

We study star formation-driven outflows in a z ∼ 0.02 starbursting disc galaxy, IRAS08339+6517, using spatially resolved measurements from the Keck Cosmic Web Imager (KCWI). We develop a new method incorporating a multistep process to determine whether an outflow should be fit in each spaxel, and then subsequently decompose the emission line into multiple components. We detect outflows ranging in velocity, vout, from 100 to 600 km s–1 across a range of star formation rate surface densities, ΣSFR, from ∼0.01 to 10 M☉ yr–1 kpc–2 in resolution elements of a few hundred parsec. Outflows are detected in ∼100 per cent of all spaxels within the half-light radius, and ∼70 per cent within r90, suggestive of a high covering fraction for this starbursting disc galaxy. Around 2/3 of the total outflowing mass originates from the star forming ring, which corresponds to <10 per cent of the total area of the galaxy. We find that the relationship between vout and the ΣSFR, as well as between the mass loading factor, η, and the ΣSFR, are consistent with trends expected from energy-driven feedback models. We study the resolution effects on this relationship and find stronger correlations above a re-binned size-scale of ∼500 pc. Conversely, we do not find statistically significant consistency with the prediction from momentum-driven winds.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: ISM - galaxies: star formation - galaxies: starburst - galaxies: individual: IRAS08339+6517

Simbad objects: 5

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