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dc.contributor.authorGeach, James E.
dc.contributor.authorTremonti, Christy
dc.contributor.authorDiamond-Stanic, A. M.
dc.contributor.authorSell, Paul H.
dc.contributor.authorKepley, Amanda
dc.contributor.authorCoil, Alison L.
dc.contributor.authorRudnick, Gregory H.
dc.contributor.authorHickox, Ryan C.
dc.contributor.authorMoustakas, John
dc.contributor.authorYang, Yujin
dc.date.accessioned2018-09-13T18:45:28Z
dc.date.available2018-09-13T18:45:28Z
dc.date.issued2018-08-23
dc.identifier.citationGeach, J. E., Tremonti, C., Diamond-Stanic, A. M., Sell, P. H., Kepley, A. A., Coil, A. L., ... & Yang, Y. (2018). Violent Quenching: Molecular Gas Blown to 1000 km s− 1 during a Major Merger. The Astrophysical Journal Letters, 864(1), L1.en_US
dc.identifier.urihttp://hdl.handle.net/1808/26720
dc.description.abstractWe present Atacama Large Millimeter/submillimeter Array observations of a massive (${M}_{\star }\approx {10}^{11}\,{M}_{\odot }$) compact (${r}_{{\rm{e}},\mathrm{UV}}\approx 100$ pc) merger remnant at z = 0.66 that is driving a 1000 km s−1 outflow of cool gas, with no observational trace of an active galactic nucleus (AGN). We resolve molecular gas on scales of approximately 1–2 kpc, and our main finding is the discovery of a wing of blueshifted CO J(2 → 1) emission out to −1000 km s−1 relative to the stars. We argue that this is the molecular component of a multiphase outflow, expelled from the central starburst within the past 5 Myr through stellar feedback, although we cannot rule out previous AGN activity as a launching mechanism. If the latter is true, then this is an example of a relic multiphase AGN outflow. We estimate a molecular mass outflow rate of approximately 300 M ⊙ yr−1, or about one third of the 10 Myr-averaged star formation rate. This system epitomizes the multiphase "blowout" episode following a dissipational major merger—a process that has violently quenched central star formation and supermassive black hole growth.en_US
dc.publisherAmerican Astronomical Societyen_US
dc.subjectgalaxies: activeen_US
dc.subjectgalaxies: evolutionen_US
dc.subjectgalaxies: generalen_US
dc.subjectgalaxies: starbursten_US
dc.subjectISM: kinematics and dynamicsen_US
dc.titleViolent Quenching: Molecular Gas Blown to 1000 km s−1 during a Major Mergeren_US
dc.typeArticleen_US
kusw.kudepartmentPhysics and Astronomyen_US
dc.identifier.doi10.3847/2041-8213/aad8b6en_US
dc.identifier.orcidhttps://orcid.org/0000-0003-4964-4635en_US
dc.identifier.orcidhttps://orcid.org/0000-0003-3097-5178en_US
dc.identifier.orcidhttps://orcid.org/0000-0003-1771-5531en_US
dc.identifier.orcidhttps://orcid.org/0000-0002-3227-4917en_US
dc.identifier.orcidhttps://orcid.org/0000-0002-2583-5894en_US
dc.identifier.orcidhttps://orcid.org/0000-0001-5851-1856en_US
dc.identifier.orcidhttps://orcid.org/0000-0003-1468-9526en_US
dc.identifier.orcidhttps://orcid.org/0000-0002-2733-4559en_US
dc.identifier.orcidhttps://orcid.org/0000-0003-3078-2763en_US
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US
dc.rights.accessrightsopenAccessen_US


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