MAJOR-MERGER GALAXY PAIRS AT Z = 0: DUST PROPERTIES AND COMPANION MORPHOLOGY
ABSTRACT We present an analysis of dust properties of a sample of close major-merger galaxy pairs selected by Ks magnitude and redshift. The pairs represent the two populations of spiral-spiral (S+S) and mixed morphology spiral-elliptical (S+E). The Code Investigating GALaxy Emission software is use...
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| Veröffentlicht in: | The Astrophysical journal 2016-10, Vol.829 (2), p.78 |
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| creator | Domingue, Donovan L. Cao, Chen Xu, C. Kevin Jarrett, Thomas H. Ronca, Joseph Hill, Emily Jacques, Allison |
| description | ABSTRACT We present an analysis of dust properties of a sample of close major-merger galaxy pairs selected by Ks magnitude and redshift. The pairs represent the two populations of spiral-spiral (S+S) and mixed morphology spiral-elliptical (S+E). The Code Investigating GALaxy Emission software is used to fit dust models to the Two Micron All Sky Survey, Wide-Field Infrared Survey Explorer, and Herschel flux density measurements, and to derive the parameters describing the polycyclic aromatic hydrocarbons contribution, interstellar radiation field, and photodissociation regions. Model fits verify our previous Spitzer Space Telescope analysis that S+S and S+E pairs do not have the same level of enhancement of star formation and differ in dust composition. The spirals of mixed-morphology galaxy pairs do not exhibit the enhancements in interstellar radiation field and therefore dust temperature for spirals in S+S pairs in contrast to what would be expected according to standard models of gas redistribution due to encounter torques. This suggests the importance of the companion environment/morphology in determining the dust properties of a spiral galaxy in a close major-merger pair. |
| doi_str_mv | 10.3847/0004-637X/829/2/78 |
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Kevin ; Jarrett, Thomas H. ; Ronca, Joseph ; Hill, Emily ; Jacques, Allison</creator><creatorcontrib>Domingue, Donovan L. ; Cao, Chen ; Xu, C. Kevin ; Jarrett, Thomas H. ; Ronca, Joseph ; Hill, Emily ; Jacques, Allison</creatorcontrib><description>ABSTRACT We present an analysis of dust properties of a sample of close major-merger galaxy pairs selected by Ks magnitude and redshift. The pairs represent the two populations of spiral-spiral (S+S) and mixed morphology spiral-elliptical (S+E). The Code Investigating GALaxy Emission software is used to fit dust models to the Two Micron All Sky Survey, Wide-Field Infrared Survey Explorer, and Herschel flux density measurements, and to derive the parameters describing the polycyclic aromatic hydrocarbons contribution, interstellar radiation field, and photodissociation regions. Model fits verify our previous Spitzer Space Telescope analysis that S+S and S+E pairs do not have the same level of enhancement of star formation and differ in dust composition. The spirals of mixed-morphology galaxy pairs do not exhibit the enhancements in interstellar radiation field and therefore dust temperature for spirals in S+S pairs in contrast to what would be expected according to standard models of gas redistribution due to encounter torques. This suggests the importance of the companion environment/morphology in determining the dust properties of a spiral galaxy in a close major-merger pair.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.3847/0004-637X/829/2/78</identifier><language>eng</language><publisher>Philadelphia: The American Astronomical Society</publisher><subject>Astronomical models ; Astrophysics ; ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ; COSMIC DUST ; DISSOCIATION ; Dust ; Dust composition ; Emission analysis ; EMISSION SPECTRA ; FLUX DENSITY ; GALACTIC EVOLUTION ; GALAXIES ; galaxies: evolution ; galaxies: interactions ; galaxies: ISM ; galaxies: spiral ; Infrared astronomy ; INFRARED SURVEYS ; INTERACTIONS ; Interstellar radiation ; Morphology ; Photodissociation ; PHOTOLYSIS ; POLYCYCLIC AROMATIC HYDROCARBONS ; Properties (attributes) ; Radiation ; RED SHIFT ; Sky surveys (astronomy) ; SPACE ; Space telescopes ; Spiral galaxies ; Spirals ; STANDARD MODEL ; Star & galaxy formation ; Star formation ; STARS ; Stars & galaxies ; TELESCOPES ; TORQUE ; Wide-field Infrared Survey Explorer</subject><ispartof>The Astrophysical journal, 2016-10, Vol.829 (2), p.78</ispartof><rights>2016. The American Astronomical Society. All rights reserved.</rights><rights>Copyright IOP Publishing Oct 01, 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-cf1118a6ac24a6417a241b3fd70926184ec226b7a7e7128371b9c7682dcdf6513</citedby><cites>FETCH-LOGICAL-c452t-cf1118a6ac24a6417a241b3fd70926184ec226b7a7e7128371b9c7682dcdf6513</cites><orcidid>0000-0002-4939-734X ; 0000-0001-5662-7169</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/0004-637X/829/2/78/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>230,314,776,780,881,27901,27902,38867,53842</link.rule.ids><linktorsrc>$$Uhttps://iopscience.iop.org/article/10.3847/0004-637X/829/2/78$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc><backlink>$$Uhttps://www.osti.gov/biblio/22667391$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Domingue, Donovan L.</creatorcontrib><creatorcontrib>Cao, Chen</creatorcontrib><creatorcontrib>Xu, C. Kevin</creatorcontrib><creatorcontrib>Jarrett, Thomas H.</creatorcontrib><creatorcontrib>Ronca, Joseph</creatorcontrib><creatorcontrib>Hill, Emily</creatorcontrib><creatorcontrib>Jacques, Allison</creatorcontrib><title>MAJOR-MERGER GALAXY PAIRS AT Z = 0: DUST PROPERTIES AND COMPANION MORPHOLOGY</title><title>The Astrophysical journal</title><addtitle>APJ</addtitle><addtitle>Astrophys. J</addtitle><description>ABSTRACT We present an analysis of dust properties of a sample of close major-merger galaxy pairs selected by Ks magnitude and redshift. The pairs represent the two populations of spiral-spiral (S+S) and mixed morphology spiral-elliptical (S+E). The Code Investigating GALaxy Emission software is used to fit dust models to the Two Micron All Sky Survey, Wide-Field Infrared Survey Explorer, and Herschel flux density measurements, and to derive the parameters describing the polycyclic aromatic hydrocarbons contribution, interstellar radiation field, and photodissociation regions. Model fits verify our previous Spitzer Space Telescope analysis that S+S and S+E pairs do not have the same level of enhancement of star formation and differ in dust composition. The spirals of mixed-morphology galaxy pairs do not exhibit the enhancements in interstellar radiation field and therefore dust temperature for spirals in S+S pairs in contrast to what would be expected according to standard models of gas redistribution due to encounter torques. This suggests the importance of the companion environment/morphology in determining the dust properties of a spiral galaxy in a close major-merger pair.</description><subject>Astronomical models</subject><subject>Astrophysics</subject><subject>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</subject><subject>COSMIC DUST</subject><subject>DISSOCIATION</subject><subject>Dust</subject><subject>Dust composition</subject><subject>Emission analysis</subject><subject>EMISSION SPECTRA</subject><subject>FLUX DENSITY</subject><subject>GALACTIC EVOLUTION</subject><subject>GALAXIES</subject><subject>galaxies: evolution</subject><subject>galaxies: interactions</subject><subject>galaxies: ISM</subject><subject>galaxies: spiral</subject><subject>Infrared astronomy</subject><subject>INFRARED SURVEYS</subject><subject>INTERACTIONS</subject><subject>Interstellar radiation</subject><subject>Morphology</subject><subject>Photodissociation</subject><subject>PHOTOLYSIS</subject><subject>POLYCYCLIC AROMATIC HYDROCARBONS</subject><subject>Properties (attributes)</subject><subject>Radiation</subject><subject>RED SHIFT</subject><subject>Sky surveys (astronomy)</subject><subject>SPACE</subject><subject>Space telescopes</subject><subject>Spiral galaxies</subject><subject>Spirals</subject><subject>STANDARD MODEL</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>STARS</subject><subject>Stars & galaxies</subject><subject>TELESCOPES</subject><subject>TORQUE</subject><subject>Wide-field Infrared Survey Explorer</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kMFOg0AQhjdGE2v1BTxt4pnCzi67i4kHUrHF0EIoTVovG7qFSKOlsvTg2wupUU-eJpP5_j-TD6Fb4oyoZMJ2HIdZnIqVLcGzwRbyDA2IS6XFqCvO0eAHuERXxuz6FTxvgKKZ_xyn1ixIJ0GKJ37kr9Y48cN0gf0Mv-AH7Nzjx-Uiw0kaJ0GahUF3mT_icTxL_HkYz_EsTpNpHMWT9TW6KPM3U9x8zyFaPgXZeGp1x3DsR5ZmLrSWLgkhMue5BpZzRkQOjGxouRWOB5xIVmgAvhG5KAQBSQXZeFpwCVu9LblL6BDdnXpr01bK6Kot9Kuu9_tCt6qLckG9P9ShqT-OhWnVrj42--4xBZS7HiXchY6CE6Wb2pimKNWhqd7z5lMRR_VuVe9K9epU51aBErILjU6hqj78tv4T-ALjZ3EG</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Domingue, Donovan L.</creator><creator>Cao, Chen</creator><creator>Xu, C. Kevin</creator><creator>Jarrett, Thomas H.</creator><creator>Ronca, Joseph</creator><creator>Hill, Emily</creator><creator>Jacques, Allison</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><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-4939-734X</orcidid><orcidid>https://orcid.org/0000-0001-5662-7169</orcidid></search><sort><creationdate>20161001</creationdate><title>MAJOR-MERGER GALAXY PAIRS AT Z = 0: DUST PROPERTIES AND COMPANION MORPHOLOGY</title><author>Domingue, Donovan L. ; Cao, Chen ; Xu, C. Kevin ; Jarrett, Thomas H. ; Ronca, Joseph ; Hill, Emily ; Jacques, Allison</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c452t-cf1118a6ac24a6417a241b3fd70926184ec226b7a7e7128371b9c7682dcdf6513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Astronomical models</topic><topic>Astrophysics</topic><topic>ASTROPHYSICS, COSMOLOGY AND ASTRONOMY</topic><topic>COSMIC DUST</topic><topic>DISSOCIATION</topic><topic>Dust</topic><topic>Dust composition</topic><topic>Emission analysis</topic><topic>EMISSION SPECTRA</topic><topic>FLUX DENSITY</topic><topic>GALACTIC EVOLUTION</topic><topic>GALAXIES</topic><topic>galaxies: evolution</topic><topic>galaxies: interactions</topic><topic>galaxies: ISM</topic><topic>galaxies: spiral</topic><topic>Infrared astronomy</topic><topic>INFRARED SURVEYS</topic><topic>INTERACTIONS</topic><topic>Interstellar radiation</topic><topic>Morphology</topic><topic>Photodissociation</topic><topic>PHOTOLYSIS</topic><topic>POLYCYCLIC AROMATIC HYDROCARBONS</topic><topic>Properties (attributes)</topic><topic>Radiation</topic><topic>RED SHIFT</topic><topic>Sky surveys (astronomy)</topic><topic>SPACE</topic><topic>Space telescopes</topic><topic>Spiral galaxies</topic><topic>Spirals</topic><topic>STANDARD MODEL</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>STARS</topic><topic>Stars & galaxies</topic><topic>TELESCOPES</topic><topic>TORQUE</topic><topic>Wide-field Infrared Survey Explorer</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Domingue, Donovan L.</creatorcontrib><creatorcontrib>Cao, Chen</creatorcontrib><creatorcontrib>Xu, C. Kevin</creatorcontrib><creatorcontrib>Jarrett, Thomas H.</creatorcontrib><creatorcontrib>Ronca, Joseph</creatorcontrib><creatorcontrib>Hill, Emily</creatorcontrib><creatorcontrib>Jacques, Allison</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><collection>OSTI.GOV</collection><jtitle>The Astrophysical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Domingue, Donovan L.</au><au>Cao, Chen</au><au>Xu, C. Kevin</au><au>Jarrett, Thomas H.</au><au>Ronca, Joseph</au><au>Hill, Emily</au><au>Jacques, Allison</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MAJOR-MERGER GALAXY PAIRS AT Z = 0: DUST PROPERTIES AND COMPANION MORPHOLOGY</atitle><jtitle>The Astrophysical journal</jtitle><stitle>APJ</stitle><addtitle>Astrophys. J</addtitle><date>2016-10-01</date><risdate>2016</risdate><volume>829</volume><issue>2</issue><spage>78</spage><pages>78-</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>ABSTRACT We present an analysis of dust properties of a sample of close major-merger galaxy pairs selected by Ks magnitude and redshift. The pairs represent the two populations of spiral-spiral (S+S) and mixed morphology spiral-elliptical (S+E). The Code Investigating GALaxy Emission software is used to fit dust models to the Two Micron All Sky Survey, Wide-Field Infrared Survey Explorer, and Herschel flux density measurements, and to derive the parameters describing the polycyclic aromatic hydrocarbons contribution, interstellar radiation field, and photodissociation regions. Model fits verify our previous Spitzer Space Telescope analysis that S+S and S+E pairs do not have the same level of enhancement of star formation and differ in dust composition. The spirals of mixed-morphology galaxy pairs do not exhibit the enhancements in interstellar radiation field and therefore dust temperature for spirals in S+S pairs in contrast to what would be expected according to standard models of gas redistribution due to encounter torques. 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| subjects | Astronomical models Astrophysics ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COSMIC DUST DISSOCIATION Dust Dust composition Emission analysis EMISSION SPECTRA FLUX DENSITY GALACTIC EVOLUTION GALAXIES galaxies: evolution galaxies: interactions galaxies: ISM galaxies: spiral Infrared astronomy INFRARED SURVEYS INTERACTIONS Interstellar radiation Morphology Photodissociation PHOTOLYSIS POLYCYCLIC AROMATIC HYDROCARBONS Properties (attributes) Radiation RED SHIFT Sky surveys (astronomy) SPACE Space telescopes Spiral galaxies Spirals STANDARD MODEL Star & galaxy formation Star formation STARS Stars & galaxies TELESCOPES TORQUE Wide-field Infrared Survey Explorer |
| title | MAJOR-MERGER GALAXY PAIRS AT Z = 0: DUST PROPERTIES AND COMPANION MORPHOLOGY |
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