Star Formation Law at Sub-kpc Scale in the Elliptical Galaxy Centaurus A as Seen by ALMA

<div>The velocity dispersion for each pixel <i>σ</i> of Centaurus A as a function of the SFR surface averaged (in units of <svg height="12.0366pt" id="M61" style="vertical-align:-3.400701pt" version="1.1" viewbox="-0.0498162 -8.6359 18.4445 12.0366" width="18.4445pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M962 650H795L470 145L347 650H176L170 622C268 613 275 606 244 503L190 322C150 188 132 126 118 91C102 50 80 33 18 28L12 0H245L251 28C175 35 170 48 174 93C177 128 191 180 220 284L292 542H294C331 392 383 150 409 4H432L774 555H776L714 137C700 40 694 34 612 28L606 0H868L874 28C793 34 784 37 797 137L849 533C859 612 863 616 956 622L962 650Z" id="g113-78"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="985" vert-adv-y="985" xpluscharwidth="12.805"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,12.22,3.132)"><path d="M594 262C594 419 464 546 305 546S17 419 17 262S146 -22 305 -22S594 105 594 262ZM538 262C538 131 433 25 305 25S73 131 73 262S177 499 305 499S538 393 538 262ZM365 262C365 297 340 323 305 323C271 323 246 297 246 262C246 225 271 201 305 201C340 201 365 225 365 262Z" id="g54-72"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="611" vert-adv-y="611" xpluscharwidth="17.78008167"></glyph.data></g></svg>/yr·kpc<sup>2</sup>).</div>

Advances in Astronomy

fig5

Figure 5

Figure 5: Star Formation Law at Sub-kpc Scale in the Elliptical Galaxy Centaurus A as Seen by ALMA 