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The high S\/N\u00a0\u223c\u00a020 \u00c5<jats:sup>\u22121<\/jats:sup> afforded by 20 hr Very Large Telescope\/Visible Multi-Object Spectrograph spectra allows for joint modeling of the stellar continuum and emission lines in all galaxies, spanning the full range of galaxy colors and morphologies. These observed integrated velocity dispersions (denoted as <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn2.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula> and <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn3.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula>) are related to the intrinsic velocity dispersions of ionized gas or stars, but also include rotational motions through beam smearing and spectral extraction. We find good average agreement between observed velocity dispersions, with <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn4.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula>. This result does not depend strongly on stellar population, structural properties, or alignment with respect to the slit. However, in all regimes we find significant scatter between <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn5.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula> and <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn6.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula>, with an overall scatter of 0.13 dex of which 0.05 dex is due to observational uncertainties. For an individual galaxy, the scatter between <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn7.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula> and <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn8.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula> translates to an additional uncertainty of \u223c0.24 dex on dynamical mass derived from <jats:inline-formula>\n                     <jats:tex-math>\n\n<\/jats:tex-math>\n                     <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"apjlaaf16bieqn9.gif\" xlink:type=\"simple\"\/>\n                  <\/jats:inline-formula>, on top of measurement errors and uncertainties from Virial constant or size estimates. We measure the <jats:italic>z<\/jats:italic>\u00a0\u223c\u00a00.8 stellar mass Faber\u2013Jackson relation and demonstrate that emission line widths can be used to measure scaling relations. However, these relations will exhibit increased scatter and slopes that are artificially steepened by selecting on subsets of galaxies with progressively brighter emission lines.<\/jats:p>","DOI":"10.3847\/2041-8213\/aaf16b","type":"journal-article","created":{"date-parts":[[2018,11,29]],"date-time":"2018-11-29T18:14:41Z","timestamp":1543515281000},"page":"L36","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":43,"title":["1D Kinematics from Stars and Ionized Gas at z\u00a0\u223c\u00a00.8 from the LEGA-C Spectroscopic Survey of Massive Galaxies"],"prefix":"10.3847","volume":"868","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5063-8254","authenticated-orcid":false,"given":"Rachel","family":"Bezanson","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5027-0135","authenticated-orcid":false,"given":"Arjen","family":"van der 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The American Astronomical Society. All rights reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2018-08-09","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-11-15","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2018-11-29","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}