SDSS IV MaNGA: Star-formation-driven Biconical Outflows in the Local Universe
We present a sample of 48 nearby galaxies with central, biconical outflows identified by the Mapping Nearby Galaxies at APO survey. All considered galaxies have star-formation-driven biconical (SFB) central outflows, with no signs of an active galactic nucleus. We find that the SFB outflows require...
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| Veröffentlicht in: | The Astrophysical journal 2019-09, Vol.882 (2), p.145 |
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| creator | Bizyaev, Dmitry Chen, Yan-Mei Shi, Yong Riffel, Rogemar A. Riffel, Rogerio Diamond-Stanic, Aleksandar M. Roy, Namrata |
| description | We present a sample of 48 nearby galaxies with central, biconical outflows identified by the Mapping Nearby Galaxies at APO survey. All considered galaxies have star-formation-driven biconical (SFB) central outflows, with no signs of an active galactic nucleus. We find that the SFB outflows require high central concentration of the star formation rate. This increases the gas velocity dispersion over the equilibrium limit and helps maintain the gas outflows. The central starbursts increase the metallicity, extinction, and the [ /Fe] ratio in the gas. A significant amount of young stellar population at the centers suggests that the SFBs are associated with the formation of young bulges in galaxies. More than 70% of SFB galaxies are group members or have companions with no prominent interaction, or show asymmetry of external isophotes. In 15% of SFB cases, stars and gas rotate in the opposite directions, which points at the gas infall from satellites as the primary reason for triggering the SFB phenomena. |
| doi_str_mv | 10.3847/1538-4357/ab3406 |
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All considered galaxies have star-formation-driven biconical (SFB) central outflows, with no signs of an active galactic nucleus. We find that the SFB outflows require high central concentration of the star formation rate. This increases the gas velocity dispersion over the equilibrium limit and helps maintain the gas outflows. The central starbursts increase the metallicity, extinction, and the [ /Fe] ratio in the gas. A significant amount of young stellar population at the centers suggests that the SFBs are associated with the formation of young bulges in galaxies. More than 70% of SFB galaxies are group members or have companions with no prominent interaction, or show asymmetry of external isophotes. 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J</addtitle><description>We present a sample of 48 nearby galaxies with central, biconical outflows identified by the Mapping Nearby Galaxies at APO survey. All considered galaxies have star-formation-driven biconical (SFB) central outflows, with no signs of an active galactic nucleus. We find that the SFB outflows require high central concentration of the star formation rate. This increases the gas velocity dispersion over the equilibrium limit and helps maintain the gas outflows. The central starbursts increase the metallicity, extinction, and the [ /Fe] ratio in the gas. A significant amount of young stellar population at the centers suggests that the SFBs are associated with the formation of young bulges in galaxies. More than 70% of SFB galaxies are group members or have companions with no prominent interaction, or show asymmetry of external isophotes. In 15% of SFB cases, stars and gas rotate in the opposite directions, which points at the gas infall from satellites as the primary reason for triggering the SFB phenomena.</description><subject>Active galactic nuclei</subject><subject>Astrophysics</subject><subject>Galactic bulge</subject><subject>Galactic evolution</subject><subject>Galaxies</subject><subject>galaxies: spiral</subject><subject>galaxies: star formation</subject><subject>ISM: jets and outflows</subject><subject>ISM: kinematics and dynamics</subject><subject>Isophotes</subject><subject>Local group (astronomy)</subject><subject>Mapping</subject><subject>Metallicity</subject><subject>Outflow</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>Star formation rate</subject><subject>Stars</subject><subject>Stars & galaxies</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kM9LwzAYhoMoOKd3jwHxZjRpkjb1NqfOweYOdeItZPmBHVtTk07xv7elohc9fXwfz_t-8ABwSvAlFSy7IpwKxCjPrtSKMpzugcHPaR8MMMYMpTR7OQRHMa67NcnzAZgXt0UBp89wrh4no2tYNCog58NWNaWvkAnlu63gTal9VWq1gYtd4zb-I8Kygs2rhTPfXZdVi4Voj8GBU5toT77nECzv757GD2i2mEzHoxnSVOAGOWW4tc5arNxKWMzyTJMMa2acWGFsKDOacOOwIDS1mhrBKc0JtzxjmlNCh-Cs762Df9vZ2Mi134WqfSkTmnKRMJYkLYV7SgcfY7BO1qHcqvApCZadNNkZkp0h2UtrI-d9pPT1b6eq11KIRCaSMC5r41ru4g_u39ovG0d4lA</recordid><startdate>20190910</startdate><enddate>20190910</enddate><creator>Bizyaev, Dmitry</creator><creator>Chen, Yan-Mei</creator><creator>Shi, Yong</creator><creator>Riffel, Rogemar A.</creator><creator>Riffel, Rogerio</creator><creator>Diamond-Stanic, Aleksandar M.</creator><creator>Roy, Namrata</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4430-8846</orcidid><orcidid>https://orcid.org/0000-0002-8614-6275</orcidid><orcidid>https://orcid.org/0000-0002-3601-133X</orcidid><orcidid>https://orcid.org/0000-0003-0483-3723</orcidid></search><sort><creationdate>20190910</creationdate><title>SDSS IV MaNGA: Star-formation-driven Biconical Outflows in the Local Universe</title><author>Bizyaev, Dmitry ; Chen, Yan-Mei ; Shi, Yong ; Riffel, Rogemar A. ; Riffel, Rogerio ; Diamond-Stanic, Aleksandar M. ; Roy, Namrata</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-fad5eefee0afb8e0497c170c4df8b00d34dc15df08136ec3d8533915e574c5313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Active galactic nuclei</topic><topic>Astrophysics</topic><topic>Galactic bulge</topic><topic>Galactic evolution</topic><topic>Galaxies</topic><topic>galaxies: spiral</topic><topic>galaxies: star formation</topic><topic>ISM: jets and outflows</topic><topic>ISM: kinematics and dynamics</topic><topic>Isophotes</topic><topic>Local group (astronomy)</topic><topic>Mapping</topic><topic>Metallicity</topic><topic>Outflow</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>Star formation rate</topic><topic>Stars</topic><topic>Stars & galaxies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bizyaev, Dmitry</creatorcontrib><creatorcontrib>Chen, Yan-Mei</creatorcontrib><creatorcontrib>Shi, Yong</creatorcontrib><creatorcontrib>Riffel, Rogemar A.</creatorcontrib><creatorcontrib>Riffel, Rogerio</creatorcontrib><creatorcontrib>Diamond-Stanic, Aleksandar M.</creatorcontrib><creatorcontrib>Roy, Namrata</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The Astrophysical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bizyaev, Dmitry</au><au>Chen, Yan-Mei</au><au>Shi, Yong</au><au>Riffel, Rogemar A.</au><au>Riffel, Rogerio</au><au>Diamond-Stanic, Aleksandar M.</au><au>Roy, Namrata</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SDSS IV MaNGA: Star-formation-driven Biconical Outflows in the Local Universe</atitle><jtitle>The Astrophysical journal</jtitle><stitle>APJ</stitle><addtitle>Astrophys. J</addtitle><date>2019-09-10</date><risdate>2019</risdate><volume>882</volume><issue>2</issue><spage>145</spage><pages>145-</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We present a sample of 48 nearby galaxies with central, biconical outflows identified by the Mapping Nearby Galaxies at APO survey. All considered galaxies have star-formation-driven biconical (SFB) central outflows, with no signs of an active galactic nucleus. We find that the SFB outflows require high central concentration of the star formation rate. This increases the gas velocity dispersion over the equilibrium limit and helps maintain the gas outflows. The central starbursts increase the metallicity, extinction, and the [ /Fe] ratio in the gas. A significant amount of young stellar population at the centers suggests that the SFBs are associated with the formation of young bulges in galaxies. More than 70% of SFB galaxies are group members or have companions with no prominent interaction, or show asymmetry of external isophotes. In 15% of SFB cases, stars and gas rotate in the opposite directions, which points at the gas infall from satellites as the primary reason for triggering the SFB phenomena.</abstract><cop>Philadelphia</cop><pub>The American Astronomical Society</pub><doi>10.3847/1538-4357/ab3406</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4430-8846</orcidid><orcidid>https://orcid.org/0000-0002-8614-6275</orcidid><orcidid>https://orcid.org/0000-0002-3601-133X</orcidid><orcidid>https://orcid.org/0000-0003-0483-3723</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Active galactic nuclei Astrophysics Galactic bulge Galactic evolution Galaxies galaxies: spiral galaxies: star formation ISM: jets and outflows ISM: kinematics and dynamics Isophotes Local group (astronomy) Mapping Metallicity Outflow Star & galaxy formation Star formation Star formation rate Stars Stars & galaxies |
| title | SDSS IV MaNGA: Star-formation-driven Biconical Outflows in the Local Universe |
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