Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0
Observations and simulations of interacting galaxies and mergers in the local universe have shown that interactions can significantly enhance the star formation rates (SFR) and fueling of Active Galactic Nuclei (AGN). However, at higher redshift, some simulations suggest that the level of star forma...
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creator | Shah, Ekta A Kartaltepe, Jeyhan S Magagnoli, Christina T Cox, Isabella G Wetherell, Caleb T Vanderhoof, Brittany N Cooke, Kevin C Calabro, Antonello Chartab, Nima Conselice, Christopher J Croton, Darren J de la Vega, Alexander Hathi, Nimish P Ilbert, Olivier Inami, Hanae Kocevski, Dale D Koekemoer, Anton M Lemaux, Brian C Lubin, Lori Kameswara Bharadwaj Mantha Marchesi, Stefano Martig, Marie Moreno, Jorge Belen Alcalde Pampliega Patton, David R Salvato, Mara Treister, Ezequiel |
description | Observations and simulations of interacting galaxies and mergers in the local universe have shown that interactions can significantly enhance the star formation rates (SFR) and fueling of Active Galactic Nuclei (AGN). However, at higher redshift, some simulations suggest that the level of star formation enhancement induced by interactions is lower due to the higher gas fractions and already increased SFRs in these galaxies. To test this, we measure the SFR enhancement in a total of 2351 (1327) massive (\(M_*>10^{10}M_\odot\)) major (\(1 |
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However, at higher redshift, some simulations suggest that the level of star formation enhancement induced by interactions is lower due to the higher gas fractions and already increased SFRs in these galaxies. To test this, we measure the SFR enhancement in a total of 2351 (1327) massive (\(M_*>10^{10}M_\odot\)) major (\(1<M_1/M_2<4\)) spectroscopic galaxy pairs at 0.5<z<3.0 with \(\Delta V <5000\) km s\(^{-1}\) (1000 km s\(^{-1}\)) and projected separation <150 kpc selected from the extensive spectroscopic coverage in the COSMOS and CANDELS fields. We find that the highest level of SFR enhancement is a factor of 1.23\(^{+0.08}_{-0.09}\) in the closest projected separation bin (<25 kpc) relative to a stellar mass-, redshift-, and environment-matched control sample of isolated galaxies. We find that the level of SFR enhancement is a factor of \(\sim1.5\) higher at 0.5<z<1 than at 1<z<3 in the closest projected separation bin. Among a sample of visually identified mergers, we find an enhancement of a factor of 1.86\(^{+0.29}_{-0.18}\) for coalesced systems. For this visually identified sample, we see a clear trend of increased SFR enhancement with decreasing projected separation (2.40\(^{+0.62}_{-0.37}\) vs.\ 1.58\(^{+0.29}_{-0.20}\) for 0.5<z<1.6 and 1.6<z<3.0, respectively). The SFR enhancement seen in our interactions and mergers are all lower than the level seen in local samples at the same separation, suggesting that the level of interaction-induced star formation evolves significantly over this time period.]]></description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2209.15587</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Active galactic nuclei ; Interacting galaxies ; Local group (astronomy) ; Physics - Astrophysics of Galaxies ; Red shift ; Separation ; Spectroscopy ; Star & galaxy formation ; Star formation ; Stars & galaxies ; Stellar mass</subject><ispartof>arXiv.org, 2022-09</ispartof><rights>2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>http://creativecommons.org/licenses/by/4.0</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/10.3847/1538-4357/ac96eb$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.2209.15587$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Shah, Ekta A</creatorcontrib><creatorcontrib>Kartaltepe, Jeyhan S</creatorcontrib><creatorcontrib>Magagnoli, Christina T</creatorcontrib><creatorcontrib>Cox, Isabella G</creatorcontrib><creatorcontrib>Wetherell, Caleb T</creatorcontrib><creatorcontrib>Vanderhoof, Brittany N</creatorcontrib><creatorcontrib>Cooke, Kevin C</creatorcontrib><creatorcontrib>Calabro, Antonello</creatorcontrib><creatorcontrib>Chartab, Nima</creatorcontrib><creatorcontrib>Conselice, Christopher J</creatorcontrib><creatorcontrib>Croton, Darren J</creatorcontrib><creatorcontrib>de la Vega, Alexander</creatorcontrib><creatorcontrib>Hathi, Nimish P</creatorcontrib><creatorcontrib>Ilbert, Olivier</creatorcontrib><creatorcontrib>Inami, Hanae</creatorcontrib><creatorcontrib>Kocevski, Dale D</creatorcontrib><creatorcontrib>Koekemoer, Anton M</creatorcontrib><creatorcontrib>Lemaux, Brian C</creatorcontrib><creatorcontrib>Lubin, Lori</creatorcontrib><creatorcontrib>Kameswara Bharadwaj Mantha</creatorcontrib><creatorcontrib>Marchesi, Stefano</creatorcontrib><creatorcontrib>Martig, Marie</creatorcontrib><creatorcontrib>Moreno, Jorge</creatorcontrib><creatorcontrib>Belen Alcalde Pampliega</creatorcontrib><creatorcontrib>Patton, David R</creatorcontrib><creatorcontrib>Salvato, Mara</creatorcontrib><creatorcontrib>Treister, Ezequiel</creatorcontrib><title>Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0</title><title>arXiv.org</title><description><![CDATA[Observations and simulations of interacting galaxies and mergers in the local universe have shown that interactions can significantly enhance the star formation rates (SFR) and fueling of Active Galactic Nuclei (AGN). However, at higher redshift, some simulations suggest that the level of star formation enhancement induced by interactions is lower due to the higher gas fractions and already increased SFRs in these galaxies. To test this, we measure the SFR enhancement in a total of 2351 (1327) massive (\(M_*>10^{10}M_\odot\)) major (\(1<M_1/M_2<4\)) spectroscopic galaxy pairs at 0.5<z<3.0 with \(\Delta V <5000\) km s\(^{-1}\) (1000 km s\(^{-1}\)) and projected separation <150 kpc selected from the extensive spectroscopic coverage in the COSMOS and CANDELS fields. We find that the highest level of SFR enhancement is a factor of 1.23\(^{+0.08}_{-0.09}\) in the closest projected separation bin (<25 kpc) relative to a stellar mass-, redshift-, and environment-matched control sample of isolated galaxies. We find that the level of SFR enhancement is a factor of \(\sim1.5\) higher at 0.5<z<1 than at 1<z<3 in the closest projected separation bin. Among a sample of visually identified mergers, we find an enhancement of a factor of 1.86\(^{+0.29}_{-0.18}\) for coalesced systems. For this visually identified sample, we see a clear trend of increased SFR enhancement with decreasing projected separation (2.40\(^{+0.62}_{-0.37}\) vs.\ 1.58\(^{+0.29}_{-0.20}\) for 0.5<z<1.6 and 1.6<z<3.0, respectively). The SFR enhancement seen in our interactions and mergers are all lower than the level seen in local samples at the same separation, suggesting that the level of interaction-induced star formation evolves significantly over this time period.]]></description><subject>Active galactic nuclei</subject><subject>Interacting galaxies</subject><subject>Local group (astronomy)</subject><subject>Physics - Astrophysics of Galaxies</subject><subject>Red shift</subject><subject>Separation</subject><subject>Spectroscopy</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>Stars & galaxies</subject><subject>Stellar mass</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</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>eNotj8FqwkAURYdCoWL9gK460HXSyXuZzAhuiqgNSLuo-_AS5tmIJnYyivbrG7WrC5fL4R4hnhIVp1Zr9Ur-VB9jADWOE62tuRMDQEwimwI8iFHXbZRSkBnQGgfiI2-Orgv1mkLdrGX4dnLG7KogW5YL2tLpLPMmOE9VqNumk20jvwJ5OW_9ji6VpCBVrCe_E4zVo7hn2nZu9J9DsZrPVtP3aPm5yKdvy4g0qIg502VaKQZUCOxKTMGyQmTkNLGGDGRlCZhlGVOJemw0YZqaEhw7rsY4FM837FW22Pt6R_5cXKSLq3S_eLkt9r79OfSGxaY9-Kb_VIAB1ZOtVfgHWQhYLw</recordid><startdate>20220930</startdate><enddate>20220930</enddate><creator>Shah, Ekta A</creator><creator>Kartaltepe, Jeyhan S</creator><creator>Magagnoli, Christina T</creator><creator>Cox, Isabella G</creator><creator>Wetherell, Caleb T</creator><creator>Vanderhoof, Brittany N</creator><creator>Cooke, Kevin C</creator><creator>Calabro, Antonello</creator><creator>Chartab, Nima</creator><creator>Conselice, Christopher J</creator><creator>Croton, Darren J</creator><creator>de la Vega, Alexander</creator><creator>Hathi, Nimish P</creator><creator>Ilbert, Olivier</creator><creator>Inami, Hanae</creator><creator>Kocevski, Dale D</creator><creator>Koekemoer, Anton M</creator><creator>Lemaux, Brian C</creator><creator>Lubin, Lori</creator><creator>Kameswara Bharadwaj Mantha</creator><creator>Marchesi, Stefano</creator><creator>Martig, Marie</creator><creator>Moreno, Jorge</creator><creator>Belen Alcalde Pampliega</creator><creator>Patton, David R</creator><creator>Salvato, Mara</creator><creator>Treister, Ezequiel</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>20220930</creationdate><title>Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0</title><author>Shah, Ekta A ; Kartaltepe, Jeyhan S ; Magagnoli, Christina T ; Cox, Isabella G ; Wetherell, Caleb T ; Vanderhoof, Brittany N ; Cooke, Kevin C ; Calabro, Antonello ; Chartab, Nima ; Conselice, Christopher J ; Croton, Darren J ; de la Vega, Alexander ; Hathi, Nimish P ; Ilbert, Olivier ; Inami, Hanae ; Kocevski, Dale D ; Koekemoer, Anton M ; Lemaux, Brian C ; Lubin, Lori ; Kameswara Bharadwaj Mantha ; Marchesi, Stefano ; Martig, Marie ; Moreno, Jorge ; Belen Alcalde Pampliega ; Patton, David R ; Salvato, Mara ; Treister, Ezequiel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a520-ff65b4c0f23032feb3428f033f3f4187a726bb23666fab35975a3447b2efefc93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Active galactic nuclei</topic><topic>Interacting galaxies</topic><topic>Local group (astronomy)</topic><topic>Physics - Astrophysics of Galaxies</topic><topic>Red shift</topic><topic>Separation</topic><topic>Spectroscopy</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>Stars & galaxies</topic><topic>Stellar mass</topic><toplevel>online_resources</toplevel><creatorcontrib>Shah, Ekta A</creatorcontrib><creatorcontrib>Kartaltepe, Jeyhan S</creatorcontrib><creatorcontrib>Magagnoli, Christina T</creatorcontrib><creatorcontrib>Cox, Isabella G</creatorcontrib><creatorcontrib>Wetherell, Caleb T</creatorcontrib><creatorcontrib>Vanderhoof, Brittany N</creatorcontrib><creatorcontrib>Cooke, Kevin C</creatorcontrib><creatorcontrib>Calabro, Antonello</creatorcontrib><creatorcontrib>Chartab, Nima</creatorcontrib><creatorcontrib>Conselice, Christopher J</creatorcontrib><creatorcontrib>Croton, Darren J</creatorcontrib><creatorcontrib>de la Vega, Alexander</creatorcontrib><creatorcontrib>Hathi, Nimish P</creatorcontrib><creatorcontrib>Ilbert, Olivier</creatorcontrib><creatorcontrib>Inami, Hanae</creatorcontrib><creatorcontrib>Kocevski, Dale D</creatorcontrib><creatorcontrib>Koekemoer, Anton M</creatorcontrib><creatorcontrib>Lemaux, Brian C</creatorcontrib><creatorcontrib>Lubin, Lori</creatorcontrib><creatorcontrib>Kameswara Bharadwaj Mantha</creatorcontrib><creatorcontrib>Marchesi, Stefano</creatorcontrib><creatorcontrib>Martig, Marie</creatorcontrib><creatorcontrib>Moreno, Jorge</creatorcontrib><creatorcontrib>Belen Alcalde Pampliega</creatorcontrib><creatorcontrib>Patton, David R</creatorcontrib><creatorcontrib>Salvato, Mara</creatorcontrib><creatorcontrib>Treister, Ezequiel</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</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>Publicly Available Content Database</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>Shah, Ekta A</au><au>Kartaltepe, Jeyhan S</au><au>Magagnoli, Christina T</au><au>Cox, Isabella G</au><au>Wetherell, Caleb T</au><au>Vanderhoof, Brittany N</au><au>Cooke, Kevin C</au><au>Calabro, Antonello</au><au>Chartab, Nima</au><au>Conselice, Christopher J</au><au>Croton, Darren J</au><au>de la Vega, Alexander</au><au>Hathi, Nimish P</au><au>Ilbert, Olivier</au><au>Inami, Hanae</au><au>Kocevski, Dale D</au><au>Koekemoer, Anton M</au><au>Lemaux, Brian C</au><au>Lubin, Lori</au><au>Kameswara Bharadwaj Mantha</au><au>Marchesi, Stefano</au><au>Martig, Marie</au><au>Moreno, Jorge</au><au>Belen Alcalde Pampliega</au><au>Patton, David R</au><au>Salvato, Mara</au><au>Treister, Ezequiel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0</atitle><jtitle>arXiv.org</jtitle><date>2022-09-30</date><risdate>2022</risdate><eissn>2331-8422</eissn><abstract><![CDATA[Observations and simulations of interacting galaxies and mergers in the local universe have shown that interactions can significantly enhance the star formation rates (SFR) and fueling of Active Galactic Nuclei (AGN). However, at higher redshift, some simulations suggest that the level of star formation enhancement induced by interactions is lower due to the higher gas fractions and already increased SFRs in these galaxies. To test this, we measure the SFR enhancement in a total of 2351 (1327) massive (\(M_*>10^{10}M_\odot\)) major (\(1<M_1/M_2<4\)) spectroscopic galaxy pairs at 0.5<z<3.0 with \(\Delta V <5000\) km s\(^{-1}\) (1000 km s\(^{-1}\)) and projected separation <150 kpc selected from the extensive spectroscopic coverage in the COSMOS and CANDELS fields. We find that the highest level of SFR enhancement is a factor of 1.23\(^{+0.08}_{-0.09}\) in the closest projected separation bin (<25 kpc) relative to a stellar mass-, redshift-, and environment-matched control sample of isolated galaxies. We find that the level of SFR enhancement is a factor of \(\sim1.5\) higher at 0.5<z<1 than at 1<z<3 in the closest projected separation bin. Among a sample of visually identified mergers, we find an enhancement of a factor of 1.86\(^{+0.29}_{-0.18}\) for coalesced systems. For this visually identified sample, we see a clear trend of increased SFR enhancement with decreasing projected separation (2.40\(^{+0.62}_{-0.37}\) vs.\ 1.58\(^{+0.29}_{-0.20}\) for 0.5<z<1.6 and 1.6<z<3.0, respectively). The SFR enhancement seen in our interactions and mergers are all lower than the level seen in local samples at the same separation, suggesting that the level of interaction-induced star formation evolves significantly over this time period.]]></abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2209.15587</doi><oa>free_for_read</oa></addata></record> |
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subjects | Active galactic nuclei Interacting galaxies Local group (astronomy) Physics - Astrophysics of Galaxies Red shift Separation Spectroscopy Star & galaxy formation Star formation Stars & galaxies Stellar mass |
title | Investigating the Effect of Galaxy Interactions on Star Formation at 0.5<z<3.0 |
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