The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers
We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z=100 K) and dense (n>=10^4 cm^{-3}) gas phase, involving galaxy-sized (~(few)x10^9 M_sol) gas mass reservoirs under conditions that would otherwise amount only ~...
Gespeichert in:
| Veröffentlicht in: | arXiv.org 2012-04 |
|---|---|
| Hauptverfasser: | , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | arXiv.org |
| container_volume | |
| creator | Papadopoulos, Padelis P van der Werf, Paul Xilouris, E M Isaak, Kate G Gao, Yu Muehle, Stefanie |
| description | We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z=100 K) and dense (n>=10^4 cm^{-3}) gas phase, involving galaxy-sized (~(few)x10^9 M_sol) gas mass reservoirs under conditions that would otherwise amount only ~1% of mass per typical SF molecular cloud in the Galaxy. Some of the highest excitation CO SLEDs are found in the so-called Ultra Luminous Infrared Galaxies and seem irreducible to ensembles of ordinary SF-powered regions. Highly supersonic turbulence and high cosmic ray (CR) energy densities rather than far-UV/optical photons or SNR-induced shocks from individual SF sites can globally warm the large amounts of dense gas found in these merger-driven starbursts and easily power their extraordinary CO line excitation... |
| doi_str_mv | 10.48550/arxiv.1109.4176 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_arxiv</sourceid><recordid>TN_cdi_arxiv_primary_1109_4176</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2082230840</sourcerecordid><originalsourceid>FETCH-LOGICAL-a510-26c591c162a153c6f0d29db7a732710315483df8e1bab238bef355f686b1215a3</originalsourceid><addsrcrecordid>eNotkE1Lw0AYhBdBsNTePcmCV1P3I7vZepOitVDopffwJvvGbk02dTcp6b83tZ4GZoZheAh54GyeGqXYC4TBneacs8U85Zm-IRMhJU9MKsQdmcV4YIwJnQml5IR87_ZIm7bGsq8h0C-I1Hm66Rvn2z7Sta8CBLR0BTUMDkfnlS63tHYe4zPFoQvYID3uz9GVUNOy9dZ1rvVjCN7Sbo8uUBvcCUO8J7cV1BFn_zolu4_33fIz2WxX6-XbJgHFWSJ0qRa85FoAV7LUFbNiYYsMMikyziRXqZG2MsgLKIQ0BVZSqUobXXDBFcgpebzO_oHIj8E1EM75BUh-ATIWnq6FY2h_eoxdfmj74MdLuWBGCMlMyuQvbn9iqg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2082230840</pqid></control><display><type>article</type><title>The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers</title><source>arXiv.org</source><source>Free E- Journals</source><creator>Papadopoulos, Padelis P ; van der Werf, Paul ; Xilouris, E M ; Isaak, Kate G ; Gao, Yu ; Muehle, Stefanie</creator><creatorcontrib>Papadopoulos, Padelis P ; van der Werf, Paul ; Xilouris, E M ; Isaak, Kate G ; Gao, Yu ; Muehle, Stefanie</creatorcontrib><description>We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z<=0.1), conducted during the last decade with the James Clerk Maxwell Telescope (JCMT) and the IRAM 30-m telescope. This work presents the CO and {13}CO line data for 36 galaxies, further augmented by multi-J total CO luminosities available for other IR-bright galaxies from the literature. This yields a sample of N=70 galaxies with the star-formation (SF) powered fraction of their IR luminosities spanning L_{IR} (10^{10}-2x10^{12}) L_sol and a wide range of morphologies. Simple comparisons of their available CO Spectral Line Energy Distributions (SLEDs) with local ones, as well as radiative transfer models discern a surprisingly wide range of average ISM conditions, with most of the surprises found in the high-excitation regime. These take the form of global CO SLEDs dominated by a very warm (T_{kin}>=100 K) and dense (n>=10^4 cm^{-3}) gas phase, involving galaxy-sized (~(few)x10^9 M_sol) gas mass reservoirs under conditions that would otherwise amount only ~1% of mass per typical SF molecular cloud in the Galaxy. Some of the highest excitation CO SLEDs are found in the so-called Ultra Luminous Infrared Galaxies and seem irreducible to ensembles of ordinary SF-powered regions. Highly supersonic turbulence and high cosmic ray (CR) energy densities rather than far-UV/optical photons or SNR-induced shocks from individual SF sites can globally warm the large amounts of dense gas found in these merger-driven starbursts and easily power their extraordinary CO line excitation...</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1109.4176</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Cosmic rays ; Excitation ; Galactic evolution ; Galaxies ; Infrared astronomy ; Line spectra ; Local group (astronomy) ; Molecular clouds ; Molecular gases ; Morphology ; Photons ; Physics - Cosmology and Nongalactic Astrophysics ; Radiative transfer ; Star formation ; Stars & galaxies ; Universe ; Vapor phases</subject><ispartof>arXiv.org, 2012-04</ispartof><rights>2012. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,784,885,27925</link.rule.ids><backlink>$$Uhttps://doi.org/10.1111/j.1365-2966.2012.21001.x$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.1109.4176$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Papadopoulos, Padelis P</creatorcontrib><creatorcontrib>van der Werf, Paul</creatorcontrib><creatorcontrib>Xilouris, E M</creatorcontrib><creatorcontrib>Isaak, Kate G</creatorcontrib><creatorcontrib>Gao, Yu</creatorcontrib><creatorcontrib>Muehle, Stefanie</creatorcontrib><title>The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers</title><title>arXiv.org</title><description>We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z<=0.1), conducted during the last decade with the James Clerk Maxwell Telescope (JCMT) and the IRAM 30-m telescope. This work presents the CO and {13}CO line data for 36 galaxies, further augmented by multi-J total CO luminosities available for other IR-bright galaxies from the literature. This yields a sample of N=70 galaxies with the star-formation (SF) powered fraction of their IR luminosities spanning L_{IR} (10^{10}-2x10^{12}) L_sol and a wide range of morphologies. Simple comparisons of their available CO Spectral Line Energy Distributions (SLEDs) with local ones, as well as radiative transfer models discern a surprisingly wide range of average ISM conditions, with most of the surprises found in the high-excitation regime. These take the form of global CO SLEDs dominated by a very warm (T_{kin}>=100 K) and dense (n>=10^4 cm^{-3}) gas phase, involving galaxy-sized (~(few)x10^9 M_sol) gas mass reservoirs under conditions that would otherwise amount only ~1% of mass per typical SF molecular cloud in the Galaxy. Some of the highest excitation CO SLEDs are found in the so-called Ultra Luminous Infrared Galaxies and seem irreducible to ensembles of ordinary SF-powered regions. Highly supersonic turbulence and high cosmic ray (CR) energy densities rather than far-UV/optical photons or SNR-induced shocks from individual SF sites can globally warm the large amounts of dense gas found in these merger-driven starbursts and easily power their extraordinary CO line excitation...</description><subject>Cosmic rays</subject><subject>Excitation</subject><subject>Galactic evolution</subject><subject>Galaxies</subject><subject>Infrared astronomy</subject><subject>Line spectra</subject><subject>Local group (astronomy)</subject><subject>Molecular clouds</subject><subject>Molecular gases</subject><subject>Morphology</subject><subject>Photons</subject><subject>Physics - Cosmology and Nongalactic Astrophysics</subject><subject>Radiative transfer</subject><subject>Star formation</subject><subject>Stars & galaxies</subject><subject>Universe</subject><subject>Vapor phases</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotkE1Lw0AYhBdBsNTePcmCV1P3I7vZepOitVDopffwJvvGbk02dTcp6b83tZ4GZoZheAh54GyeGqXYC4TBneacs8U85Zm-IRMhJU9MKsQdmcV4YIwJnQml5IR87_ZIm7bGsq8h0C-I1Hm66Rvn2z7Sta8CBLR0BTUMDkfnlS63tHYe4zPFoQvYID3uz9GVUNOy9dZ1rvVjCN7Sbo8uUBvcCUO8J7cV1BFn_zolu4_33fIz2WxX6-XbJgHFWSJ0qRa85FoAV7LUFbNiYYsMMikyziRXqZG2MsgLKIQ0BVZSqUobXXDBFcgpebzO_oHIj8E1EM75BUh-ATIWnq6FY2h_eoxdfmj74MdLuWBGCMlMyuQvbn9iqg</recordid><startdate>20120405</startdate><enddate>20120405</enddate><creator>Papadopoulos, Padelis P</creator><creator>van der Werf, Paul</creator><creator>Xilouris, E M</creator><creator>Isaak, Kate G</creator><creator>Gao, Yu</creator><creator>Muehle, Stefanie</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20120405</creationdate><title>The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers</title><author>Papadopoulos, Padelis P ; van der Werf, Paul ; Xilouris, E M ; Isaak, Kate G ; Gao, Yu ; Muehle, Stefanie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a510-26c591c162a153c6f0d29db7a732710315483df8e1bab238bef355f686b1215a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Cosmic rays</topic><topic>Excitation</topic><topic>Galactic evolution</topic><topic>Galaxies</topic><topic>Infrared astronomy</topic><topic>Line spectra</topic><topic>Local group (astronomy)</topic><topic>Molecular clouds</topic><topic>Molecular gases</topic><topic>Morphology</topic><topic>Photons</topic><topic>Physics - Cosmology and Nongalactic Astrophysics</topic><topic>Radiative transfer</topic><topic>Star formation</topic><topic>Stars & galaxies</topic><topic>Universe</topic><topic>Vapor phases</topic><toplevel>online_resources</toplevel><creatorcontrib>Papadopoulos, Padelis P</creatorcontrib><creatorcontrib>van der Werf, Paul</creatorcontrib><creatorcontrib>Xilouris, E M</creatorcontrib><creatorcontrib>Isaak, Kate G</creatorcontrib><creatorcontrib>Gao, Yu</creatorcontrib><creatorcontrib>Muehle, Stefanie</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Papadopoulos, Padelis P</au><au>van der Werf, Paul</au><au>Xilouris, E M</au><au>Isaak, Kate G</au><au>Gao, Yu</au><au>Muehle, Stefanie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers</atitle><jtitle>arXiv.org</jtitle><date>2012-04-05</date><risdate>2012</risdate><eissn>2331-8422</eissn><abstract>We report results from a large molecular line survey of Luminous Infrared Galaxies (L_{IR} >= 10^{11} L_sol) in the local Universe (z<=0.1), conducted during the last decade with the James Clerk Maxwell Telescope (JCMT) and the IRAM 30-m telescope. This work presents the CO and {13}CO line data for 36 galaxies, further augmented by multi-J total CO luminosities available for other IR-bright galaxies from the literature. This yields a sample of N=70 galaxies with the star-formation (SF) powered fraction of their IR luminosities spanning L_{IR} (10^{10}-2x10^{12}) L_sol and a wide range of morphologies. Simple comparisons of their available CO Spectral Line Energy Distributions (SLEDs) with local ones, as well as radiative transfer models discern a surprisingly wide range of average ISM conditions, with most of the surprises found in the high-excitation regime. These take the form of global CO SLEDs dominated by a very warm (T_{kin}>=100 K) and dense (n>=10^4 cm^{-3}) gas phase, involving galaxy-sized (~(few)x10^9 M_sol) gas mass reservoirs under conditions that would otherwise amount only ~1% of mass per typical SF molecular cloud in the Galaxy. Some of the highest excitation CO SLEDs are found in the so-called Ultra Luminous Infrared Galaxies and seem irreducible to ensembles of ordinary SF-powered regions. Highly supersonic turbulence and high cosmic ray (CR) energy densities rather than far-UV/optical photons or SNR-induced shocks from individual SF sites can globally warm the large amounts of dense gas found in these merger-driven starbursts and easily power their extraordinary CO line excitation...</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1109.4176</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2012-04 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_1109_4176 |
| source | arXiv.org; Free E- Journals |
| subjects | Cosmic rays Excitation Galactic evolution Galaxies Infrared astronomy Line spectra Local group (astronomy) Molecular clouds Molecular gases Morphology Photons Physics - Cosmology and Nongalactic Astrophysics Radiative transfer Star formation Stars & galaxies Universe Vapor phases |
| title | The molecular gas in Luminous Infrared Galaxies I: CO lines, extreme physical conditions, and their drivers |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-26T05%3A07%3A47IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_arxiv&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=The%20molecular%20gas%20in%20Luminous%20Infrared%20Galaxies%20I:%20CO%20lines,%20extreme%20physical%20conditions,%20and%20their%20drivers&rft.jtitle=arXiv.org&rft.au=Papadopoulos,%20Padelis%20P&rft.date=2012-04-05&rft.eissn=2331-8422&rft_id=info:doi/10.48550/arxiv.1109.4176&rft_dat=%3Cproquest_arxiv%3E2082230840%3C/proquest_arxiv%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2082230840&rft_id=info:pmid/&rfr_iscdi=true |