{"id":55,"date":"2014-10-07T19:32:30","date_gmt":"2014-10-07T19:32:30","guid":{"rendered":"http:\/\/katerubinastro.wordpress.com\/?page_id=55"},"modified":"2014-10-07T19:32:30","modified_gmt":"2014-10-07T19:32:30","slug":"ubiquitous-collimated-outflows-along-the-star-forming-sequence-at-z0-5","status":"publish","type":"page","link":"https:\/\/krubin.sdsu.edu\/index.php\/research\/ubiquitous-collimated-outflows-along-the-star-forming-sequence-at-z0-5\/","title":{"rendered":"Ubiquitous Collimated Outflows along the Star-Forming Sequence at z~0.5"},"content":{"rendered":"<p class=\"Body\"><a href=\"http:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-131 size-large\" src=\"http:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1.jpg?w=676\" alt=\"outflows_forweb\" width=\"676\" height=\"435\" srcset=\"https:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1.jpg 1570w, https:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1-300x193.jpg 300w, https:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1-768x495.jpg 768w, https:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1-1024x660.jpg 1024w, https:\/\/krubin.sdsu.edu\/wp-content\/uploads\/2014\/10\/outflows_forweb1-465x300.jpg 465w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><\/a><\/p>\n<p class=\"Body\">Cool gas outflows from distant, star-forming galaxies are now known to be quite common.\u00a0 In fact, in a sample of ~100 star-forming galaxies we detected evidence of outflows (i.e., blueshifted metal absorption lines) from ~2\/3 of the objects.\u00a0 Their distribution on the star-forming sequence is shown in the left-hand Figure above in blue and red diamonds. \u00a0Galaxies in which we do not detect winds are marked with magenta points. \u00a0The gray contours show the distribution of a much larger sample of galaxies\u00a0at z~0.5 taken from\u00a0<a title=\"http:\/\/adsabs.harvard.edu\/abs\/2011ApJS..193...13B\" href=\"http:\/\/adsabs.harvard.edu\/abs\/2011ApJS..193...13B\">Barro et al. (2011)<\/a>. \u00a0All together, the Figure shows that our outflow detection rate does not depend strongly on the star formation rate or stellar mass of our sample galaxies.<\/p>\n<p class=\"Body\">At right, we show the distribution of inclinations for galaxies with disk-like morphologies drawn from the same sample, along with Hubble Space Telescope images (<a title=\"http:\/\/adsabs.harvard.edu\/abs\/2004ApJ...600L..93G\" href=\"http:\/\/adsabs.harvard.edu\/abs\/2004ApJ...600L..93G\">Giavalisco et al. 2004<\/a>) of three systems having low, intermediate, and high inclinations.\u00a0 The distribution for galaxies with winds is shown in blue, and the distributions for galaxies with inflows and without winds\/inflows are shown in red and solid black, respectively.\u00a0 Galaxies viewed face-on (with low inclinations) are much more likely to drive detected winds than galaxies viewed edge-on.\u00a0 Combined with the aforementioned weak dependence of outflow detection rate on intrinsic galaxy properties, this suggests that winds really do occur in almost every galaxy on the star-forming sequence at z~0.5, and that they are simply more difficult to detect when a galaxy is viewed from the \u2018wrong\u2019 direction. \u00a0You can read more about these findings <a href=\"http:\/\/adsabs.harvard.edu\/abs\/2013arXiv1307.1476R\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cool gas outflows from distant, star-forming galaxies are now known to be quite common.\u00a0 In fact, in a sample of ~100 star-forming galaxies we detected evidence of outflows (i.e., blueshifted metal absorption lines) from ~2\/3 of the objects.\u00a0 Their distribution on the star-forming sequence is shown in the left-hand Figure above in blue and red [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":8,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-55","page","type-page","status-publish","hentry","post-preview"],"_links":{"self":[{"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/pages\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/comments?post=55"}],"version-history":[{"count":0,"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/pages\/55\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/pages\/8"}],"wp:attachment":[{"href":"https:\/\/krubin.sdsu.edu\/index.php\/wp-json\/wp\/v2\/media?parent=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}