Dark against Luminous Matter around Isolated Central Galaxies: A Comparative Study between Modern Surveys and IllustrisTNG
Based on independent shear measurements using the Dark Energy Camera Legacy Survey/DR8 imaging data, we measure the weak lensing signals around isolated central galaxies (ICGs) from Sloan Digital Sky Survey/DR7 at z ∼ 0.1. The projected stellar mass density profiles of satellite galaxies are further...
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| Veröffentlicht in: | The Astrophysical journal 2023-04, Vol.947 (1), p.19 |
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| creator | Alonso, Pedro Wang, Wenting Zhang, Jun Li, Hekun Shao, Shi Guo, Qi He, Yanqin Hao, Cai-Na Shi, Rui |
| description | Based on independent shear measurements using the Dark Energy Camera Legacy Survey/DR8 imaging data, we measure the weak lensing signals around isolated central galaxies (ICGs) from Sloan Digital Sky Survey/DR7 at
z
∼ 0.1. The projected stellar mass density profiles of satellite galaxies are further deduced, using photometric sources from the Hyper Suprime-cam survey. The signals of ICGs + their extended stellar halos are taken from Wang et al. All measurements are compared with predictions by the IllustrisTNG300-1 simulation. We find, overall, a good agreement between observation and TNG300. In particular, a correction to the stellar mass of massive observed ICGs is applied based on the calibration of He et al., which brings a much better agreement with TNG300 predicted lensing signals at
log
10
M
*
/
M
⊙
>
11.1
. In real observation, red ICGs are hosted by more massive dark matter halos and have more satellites and more extended stellar halos than blue ICGs at fixed stellar mass. However, in TNG300 there are more satellites around blue ICGs at fixed stellar mass, and the outer stellar halos of red and blue ICGs are similar. The stellar halos of TNG galaxies are more extended compared with real observed galaxies, especially for blue ICGs with
log
10
M
*
/
M
⊙
>
10.8
. We find the same trend for TNG100 galaxies and for true halo central galaxies. The tensions between TNG and real galaxies indicate that satellite disruptions are stronger in TNG. In both TNG300 and observation, satellites approximately trace the underlying dark matter distribution beyond 0.1
R
200
, but the fraction of total stellar mass in TNG300 does not show the same radial distribution as real galaxies. |
| doi_str_mv | 10.3847/1538-4357/acbf4a |
| format | Article |
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z
∼ 0.1. The projected stellar mass density profiles of satellite galaxies are further deduced, using photometric sources from the Hyper Suprime-cam survey. The signals of ICGs + their extended stellar halos are taken from Wang et al. All measurements are compared with predictions by the IllustrisTNG300-1 simulation. We find, overall, a good agreement between observation and TNG300. In particular, a correction to the stellar mass of massive observed ICGs is applied based on the calibration of He et al., which brings a much better agreement with TNG300 predicted lensing signals at
log
10
M
*
/
M
⊙
>
11.1
. In real observation, red ICGs are hosted by more massive dark matter halos and have more satellites and more extended stellar halos than blue ICGs at fixed stellar mass. However, in TNG300 there are more satellites around blue ICGs at fixed stellar mass, and the outer stellar halos of red and blue ICGs are similar. The stellar halos of TNG galaxies are more extended compared with real observed galaxies, especially for blue ICGs with
log
10
M
*
/
M
⊙
>
10.8
. We find the same trend for TNG100 galaxies and for true halo central galaxies. The tensions between TNG and real galaxies indicate that satellite disruptions are stronger in TNG. In both TNG300 and observation, satellites approximately trace the underlying dark matter distribution beyond 0.1
R
200
, but the fraction of total stellar mass in TNG300 does not show the same radial distribution as real galaxies.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.3847/1538-4357/acbf4a</identifier><language>eng</language><publisher>Philadelphia: The American Astronomical Society</publisher><subject>Astrophysics ; Calibration ; Comparative studies ; Dark energy ; Dark matter ; Galactic halos ; Galaxies ; Galaxy distribution ; Galaxy formation ; Galaxy stellar halos ; Gravitational lensing shear ; Halos ; Hydrodynamical simulations ; Polls & surveys ; Radial distribution ; Satellite observation ; Satellites ; Sky surveys ; Sky surveys (astronomy) ; Stars & galaxies ; Stellar mass</subject><ispartof>The Astrophysical journal, 2023-04, Vol.947 (1), p.19</ispartof><rights>2023. The Author(s). Published by the American Astronomical Society.</rights><rights>2023. The Author(s). Published by the American Astronomical Society. 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><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-74226bf040e362239f3882630e937073e05d3d7f69ad098785e1f0d0e66e71ab3</citedby><cites>FETCH-LOGICAL-c445t-74226bf040e362239f3882630e937073e05d3d7f69ad098785e1f0d0e66e71ab3</cites><orcidid>0000-0002-0610-2361 ; 0000-0002-0901-9328</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/1538-4357/acbf4a/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,778,782,862,2098,27907,27908,38873,53850</link.rule.ids></links><search><creatorcontrib>Alonso, Pedro</creatorcontrib><creatorcontrib>Wang, Wenting</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><creatorcontrib>Li, Hekun</creatorcontrib><creatorcontrib>Shao, Shi</creatorcontrib><creatorcontrib>Guo, Qi</creatorcontrib><creatorcontrib>He, Yanqin</creatorcontrib><creatorcontrib>Hao, Cai-Na</creatorcontrib><creatorcontrib>Shi, Rui</creatorcontrib><title>Dark against Luminous Matter around Isolated Central Galaxies: A Comparative Study between Modern Surveys and IllustrisTNG</title><title>The Astrophysical journal</title><addtitle>APJ</addtitle><addtitle>Astrophys. J</addtitle><description>Based on independent shear measurements using the Dark Energy Camera Legacy Survey/DR8 imaging data, we measure the weak lensing signals around isolated central galaxies (ICGs) from Sloan Digital Sky Survey/DR7 at
z
∼ 0.1. The projected stellar mass density profiles of satellite galaxies are further deduced, using photometric sources from the Hyper Suprime-cam survey. The signals of ICGs + their extended stellar halos are taken from Wang et al. All measurements are compared with predictions by the IllustrisTNG300-1 simulation. We find, overall, a good agreement between observation and TNG300. In particular, a correction to the stellar mass of massive observed ICGs is applied based on the calibration of He et al., which brings a much better agreement with TNG300 predicted lensing signals at
log
10
M
*
/
M
⊙
>
11.1
. In real observation, red ICGs are hosted by more massive dark matter halos and have more satellites and more extended stellar halos than blue ICGs at fixed stellar mass. However, in TNG300 there are more satellites around blue ICGs at fixed stellar mass, and the outer stellar halos of red and blue ICGs are similar. The stellar halos of TNG galaxies are more extended compared with real observed galaxies, especially for blue ICGs with
log
10
M
*
/
M
⊙
>
10.8
. We find the same trend for TNG100 galaxies and for true halo central galaxies. The tensions between TNG and real galaxies indicate that satellite disruptions are stronger in TNG. In both TNG300 and observation, satellites approximately trace the underlying dark matter distribution beyond 0.1
R
200
, but the fraction of total stellar mass in TNG300 does not show the same radial distribution as real galaxies.</description><subject>Astrophysics</subject><subject>Calibration</subject><subject>Comparative studies</subject><subject>Dark energy</subject><subject>Dark matter</subject><subject>Galactic halos</subject><subject>Galaxies</subject><subject>Galaxy distribution</subject><subject>Galaxy formation</subject><subject>Galaxy stellar halos</subject><subject>Gravitational lensing shear</subject><subject>Halos</subject><subject>Hydrodynamical simulations</subject><subject>Polls & surveys</subject><subject>Radial distribution</subject><subject>Satellite observation</subject><subject>Satellites</subject><subject>Sky surveys</subject><subject>Sky surveys (astronomy)</subject><subject>Stars & galaxies</subject><subject>Stellar mass</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>DOA</sourceid><recordid>eNp9kU1v1DAQhi0EEkvhztESHAn1VxKbW7XQZaUtHFokbtYknlResnGwncL217MhqFwQp9GMnnlmpJeQl5y9lVrV57yUulCyrM-hbToFj8jqYfSYrBhjqqhk_fUpeZbSfm6FMSty_x7iNwq34IeU6W46-CFMiV5BzhgpxDANjm5T6CGjo2sccoSebqCHnx7TO3pB1-EwQoTs75Be58kdaYP5B-JAr4LDONDrKd7hMVGYTX0_pRx9uvm0eU6edNAnfPGnnpEvlx9u1h-L3efNdn2xK1qlylzUSoiq6ZhiKCshpOmk1qKSDI2sWS2RlU66uqsMOGZ0rUvkHXMMqwprDo08I9vF6wLs7Rj9AeLRBvD29yDEWwsx-7ZHWzWtlCiBa6EUctScldiWSmNrHG_FyfVqcY0xfJ8wZbsPUxxO71uhGRdGKsVOFFuoNoaUInYPVzmzc1p2jsbO0dglrdPKm2XFh_Gv8z_463_gMO6tmXHLjR1dJ38BmlSjJg</recordid><startdate>20230401</startdate><enddate>20230401</enddate><creator>Alonso, Pedro</creator><creator>Wang, Wenting</creator><creator>Zhang, Jun</creator><creator>Li, Hekun</creator><creator>Shao, Shi</creator><creator>Guo, Qi</creator><creator>He, Yanqin</creator><creator>Hao, Cai-Na</creator><creator>Shi, Rui</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-0610-2361</orcidid><orcidid>https://orcid.org/0000-0002-0901-9328</orcidid></search><sort><creationdate>20230401</creationdate><title>Dark against Luminous Matter around Isolated Central Galaxies: A Comparative Study between Modern Surveys and IllustrisTNG</title><author>Alonso, Pedro ; Wang, Wenting ; Zhang, Jun ; Li, Hekun ; Shao, Shi ; Guo, Qi ; He, Yanqin ; Hao, Cai-Na ; Shi, Rui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-74226bf040e362239f3882630e937073e05d3d7f69ad098785e1f0d0e66e71ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Astrophysics</topic><topic>Calibration</topic><topic>Comparative studies</topic><topic>Dark energy</topic><topic>Dark matter</topic><topic>Galactic halos</topic><topic>Galaxies</topic><topic>Galaxy distribution</topic><topic>Galaxy formation</topic><topic>Galaxy stellar halos</topic><topic>Gravitational lensing shear</topic><topic>Halos</topic><topic>Hydrodynamical simulations</topic><topic>Polls & surveys</topic><topic>Radial distribution</topic><topic>Satellite observation</topic><topic>Satellites</topic><topic>Sky surveys</topic><topic>Sky surveys (astronomy)</topic><topic>Stars & galaxies</topic><topic>Stellar mass</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alonso, Pedro</creatorcontrib><creatorcontrib>Wang, Wenting</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><creatorcontrib>Li, Hekun</creatorcontrib><creatorcontrib>Shao, Shi</creatorcontrib><creatorcontrib>Guo, Qi</creatorcontrib><creatorcontrib>He, Yanqin</creatorcontrib><creatorcontrib>Hao, Cai-Na</creatorcontrib><creatorcontrib>Shi, Rui</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><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>DOAJ Directory of Open Access Journals</collection><jtitle>The Astrophysical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alonso, Pedro</au><au>Wang, Wenting</au><au>Zhang, Jun</au><au>Li, Hekun</au><au>Shao, Shi</au><au>Guo, Qi</au><au>He, Yanqin</au><au>Hao, Cai-Na</au><au>Shi, Rui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dark against Luminous Matter around Isolated Central Galaxies: A Comparative Study between Modern Surveys and IllustrisTNG</atitle><jtitle>The Astrophysical journal</jtitle><stitle>APJ</stitle><addtitle>Astrophys. J</addtitle><date>2023-04-01</date><risdate>2023</risdate><volume>947</volume><issue>1</issue><spage>19</spage><pages>19-</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>Based on independent shear measurements using the Dark Energy Camera Legacy Survey/DR8 imaging data, we measure the weak lensing signals around isolated central galaxies (ICGs) from Sloan Digital Sky Survey/DR7 at
z
∼ 0.1. The projected stellar mass density profiles of satellite galaxies are further deduced, using photometric sources from the Hyper Suprime-cam survey. The signals of ICGs + their extended stellar halos are taken from Wang et al. All measurements are compared with predictions by the IllustrisTNG300-1 simulation. We find, overall, a good agreement between observation and TNG300. In particular, a correction to the stellar mass of massive observed ICGs is applied based on the calibration of He et al., which brings a much better agreement with TNG300 predicted lensing signals at
log
10
M
*
/
M
⊙
>
11.1
. In real observation, red ICGs are hosted by more massive dark matter halos and have more satellites and more extended stellar halos than blue ICGs at fixed stellar mass. However, in TNG300 there are more satellites around blue ICGs at fixed stellar mass, and the outer stellar halos of red and blue ICGs are similar. The stellar halos of TNG galaxies are more extended compared with real observed galaxies, especially for blue ICGs with
log
10
M
*
/
M
⊙
>
10.8
. We find the same trend for TNG100 galaxies and for true halo central galaxies. The tensions between TNG and real galaxies indicate that satellite disruptions are stronger in TNG. In both TNG300 and observation, satellites approximately trace the underlying dark matter distribution beyond 0.1
R
200
, but the fraction of total stellar mass in TNG300 does not show the same radial distribution as real galaxies.</abstract><cop>Philadelphia</cop><pub>The American Astronomical Society</pub><doi>10.3847/1538-4357/acbf4a</doi><tpages>22</tpages><orcidid>https://orcid.org/0000-0002-0610-2361</orcidid><orcidid>https://orcid.org/0000-0002-0901-9328</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Astrophysics Calibration Comparative studies Dark energy Dark matter Galactic halos Galaxies Galaxy distribution Galaxy formation Galaxy stellar halos Gravitational lensing shear Halos Hydrodynamical simulations Polls & surveys Radial distribution Satellite observation Satellites Sky surveys Sky surveys (astronomy) Stars & galaxies Stellar mass |
| title | Dark against Luminous Matter around Isolated Central Galaxies: A Comparative Study between Modern Surveys and IllustrisTNG |
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