• DOI:10.1051/0004-6361/201936286
Corpus ID: 211069652

Extended H$\alpha$ over compact far-infrared continuum in dusty submillimeter galaxies -- Insights into dust distributions and star-formation rates at $z\sim2$

@article{Chen2020ExtendedHO,
  title={Extended H\$\alpha\$ over compact far-infrared continuum in dusty submillimeter galaxies -- Insights into dust distributions and star-formation rates at \$z\sim2\$},
  author={C. Chen and C. Harrison and I. Smail and A. Swinbank and O. Turner and J. Wardlow and W. N. Brandt and G. Rivera and S. C. Chapman and E. Cooke and H. Dannerbauer and J. Dunlop and D. Farrah and M. Michałowski and E. Schinnerer and J. Simpson and A. Thomson and P. V. D. Werf},
  journal={Astronomy and Astrophysics},
  year={2020},
  volume={635}
}

C. Chen, C. Harrison, +15 authors P. V. D. Werf

Published 2020

Physics

Astronomy and Astrophysics

Using data from ALMA and near-infrared (NIR) integral field spectrographs including both SINFONI and KMOS on the VLT, we investigate the two-dimensional distributions of H$\alpha$ and rest-frame far-infrared (FIR) continuum in six submillimeter galaxies at $z\sim2$. At a similar spatial resolution ($\sim$0.5" FWHM; $\sim$4.5 kpc at $z=2$), we find that the half-light radius of H$\alpha$ is significantly larger than that of the FIR continuum in half of the sample, and on average H$\alpha$ is a… CONTINUE READING

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