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Physical properties of local star-forming analogues to z ∼ 5 Lyman-break galaxies
Intense, compact, star-forming galaxies are rare in the local Universe but ubiquitous at high redshift. We interpret the 0.1–22 μm spectral energy distributions of a sample of 180 galaxies at 0.05
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| Published in: | Monthly notices of the Royal Astronomical Society 2016-07, Vol.459 (3), p.2591-2602 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c361t-7d9e358ad19721d0db2a5bd3f39e6aaabb4e8048678d279d1b7d44a2a505ce1c3 |
| container_end_page | 2602 |
| container_issue | 3 |
| container_start_page | 2591 |
| container_title | Monthly notices of the Royal Astronomical Society |
| container_volume | 459 |
| creator | Greis, Stephanie M. L. Stanway, Elizabeth R. Davies, Luke J. M. Levan, Andrew J. |
| description | Intense, compact, star-forming galaxies are rare in the local Universe but ubiquitous at high redshift. We interpret the 0.1–22 μm spectral energy distributions of a sample of 180 galaxies at 0.05 |
| doi_str_mv | 10.1093/mnras/stw722 |
| format | article |
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cont(B − V) ∼ 0.1) and find star formation rates of a few tens of solar masses per year. We use our inferred masses to determine a mean specific star formation rate for this sample of ∼10−9 yr−1, and compare this to the specific star formation rates in distant Lyman-break galaxies (LBGs), and in other low-redshift populations. We conclude that our sample's characteristics overlap significantly with those of the z ∼ 5 LBG population, making ours the first local analogue population well tuned to match those high-redshift galaxies. We consider implications for the origin and evolution of early galaxies.</description><identifier>ISSN: 0035-8711</identifier><identifier>EISSN: 1365-2966</identifier><identifier>DOI: 10.1093/mnras/stw722</identifier><language>eng</language><publisher>London: Oxford University Press</publisher><subject>Astronomical models ; Extinction ; Galaxies ; Physical properties ; Populations ; Red shift ; Spectral energy distribution ; Spectrum analysis ; Star & galaxy formation ; Star formation ; Star formation rate ; Symbols ; Universe</subject><ispartof>Monthly notices of the Royal Astronomical Society, 2016-07, Vol.459 (3), p.2591-2602</ispartof><rights>2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society 2016</rights><rights>Copyright Oxford University Press, UK Jul 1, 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-7d9e358ad19721d0db2a5bd3f39e6aaabb4e8048678d279d1b7d44a2a505ce1c3</citedby><cites>FETCH-LOGICAL-c361t-7d9e358ad19721d0db2a5bd3f39e6aaabb4e8048678d279d1b7d44a2a505ce1c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Greis, Stephanie M. L.</creatorcontrib><creatorcontrib>Stanway, Elizabeth R.</creatorcontrib><creatorcontrib>Davies, Luke J. M.</creatorcontrib><creatorcontrib>Levan, Andrew J.</creatorcontrib><title>Physical properties of local star-forming analogues to z ∼ 5 Lyman-break galaxies</title><title>Monthly notices of the Royal Astronomical Society</title><description>Intense, compact, star-forming galaxies are rare in the local Universe but ubiquitous at high redshift. We interpret the 0.1–22 μm spectral energy distributions of a sample of 180 galaxies at 0.05 < z < 0.25 selected for extremely high surface densities of inferred star formation in the ultraviolet. By comparison with well-established stellar population synthesis models, we find that our sample comprises young (∼60–400 Myr), moderate mass (∼6 × 109 M⊙) star-forming galaxies with little dust extinction (mean stellar continuum extinction E
cont(B − V) ∼ 0.1) and find star formation rates of a few tens of solar masses per year. We use our inferred masses to determine a mean specific star formation rate for this sample of ∼10−9 yr−1, and compare this to the specific star formation rates in distant Lyman-break galaxies (LBGs), and in other low-redshift populations. We conclude that our sample's characteristics overlap significantly with those of the z ∼ 5 LBG population, making ours the first local analogue population well tuned to match those high-redshift galaxies. We consider implications for the origin and evolution of early galaxies.</description><subject>Astronomical models</subject><subject>Extinction</subject><subject>Galaxies</subject><subject>Physical properties</subject><subject>Populations</subject><subject>Red shift</subject><subject>Spectral energy distribution</subject><subject>Spectrum analysis</subject><subject>Star & galaxy formation</subject><subject>Star formation</subject><subject>Star formation rate</subject><subject>Symbols</subject><subject>Universe</subject><issn>0035-8711</issn><issn>1365-2966</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqN0TtOw0AQBuAVAokQ6DiAJQooMOzD-ypRxEuKBAWprbG9Dg62N-w6gnACjpGDUOUonIQNpqJAVCvNfvo1ox-hQ4LPCNbsvGkd-HPfvUhKt9CAMMFjqoXYRgOMGY-VJGQX7Xk_wxgnjIoBmtw_Ln2VQx3NnZ0b11XGR7aMaruZ-Q5cXFrXVO00ghZqO12E_85Gb-vV5_vHesWj8bKBNs6cgadoCjW8hoR9tFNC7c3BzztEk6vLh9FNPL67vh1djOOcCdLFstCGcQUF0ZKSAhcZBZ4VrGTaCADIssQonCghVUGlLkgmiySBgDDPDcnZEJ30uWH557BZlzaVz01dQ2vswqdEUZ5orSj9B8VK0oRSEejRLzqzCxeuD0pqLpRgfBN42qvcWe-dKdO5qxpwy5TgdFNH-l1H2tcR-HHP7WL-t_wCBCyPTQ</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>Greis, Stephanie M. L.</creator><creator>Stanway, Elizabeth R.</creator><creator>Davies, Luke J. M.</creator><creator>Levan, Andrew J.</creator><general>Oxford University Press</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>20160701</creationdate><title>Physical properties of local star-forming analogues to z ∼ 5 Lyman-break galaxies</title><author>Greis, Stephanie M. L. ; Stanway, Elizabeth R. ; Davies, Luke J. M. ; Levan, Andrew J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-7d9e358ad19721d0db2a5bd3f39e6aaabb4e8048678d279d1b7d44a2a505ce1c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Astronomical models</topic><topic>Extinction</topic><topic>Galaxies</topic><topic>Physical properties</topic><topic>Populations</topic><topic>Red shift</topic><topic>Spectral energy distribution</topic><topic>Spectrum analysis</topic><topic>Star & galaxy formation</topic><topic>Star formation</topic><topic>Star formation rate</topic><topic>Symbols</topic><topic>Universe</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Greis, Stephanie M. L.</creatorcontrib><creatorcontrib>Stanway, Elizabeth R.</creatorcontrib><creatorcontrib>Davies, Luke J. M.</creatorcontrib><creatorcontrib>Levan, Andrew J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Monthly notices of the Royal Astronomical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Greis, Stephanie M. L.</au><au>Stanway, Elizabeth R.</au><au>Davies, Luke J. M.</au><au>Levan, Andrew J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physical properties of local star-forming analogues to z ∼ 5 Lyman-break galaxies</atitle><jtitle>Monthly notices of the Royal Astronomical Society</jtitle><date>2016-07-01</date><risdate>2016</risdate><volume>459</volume><issue>3</issue><spage>2591</spage><epage>2602</epage><pages>2591-2602</pages><issn>0035-8711</issn><eissn>1365-2966</eissn><abstract>Intense, compact, star-forming galaxies are rare in the local Universe but ubiquitous at high redshift. We interpret the 0.1–22 μm spectral energy distributions of a sample of 180 galaxies at 0.05 < z < 0.25 selected for extremely high surface densities of inferred star formation in the ultraviolet. By comparison with well-established stellar population synthesis models, we find that our sample comprises young (∼60–400 Myr), moderate mass (∼6 × 109 M⊙) star-forming galaxies with little dust extinction (mean stellar continuum extinction E
cont(B − V) ∼ 0.1) and find star formation rates of a few tens of solar masses per year. We use our inferred masses to determine a mean specific star formation rate for this sample of ∼10−9 yr−1, and compare this to the specific star formation rates in distant Lyman-break galaxies (LBGs), and in other low-redshift populations. We conclude that our sample's characteristics overlap significantly with those of the z ∼ 5 LBG population, making ours the first local analogue population well tuned to match those high-redshift galaxies. We consider implications for the origin and evolution of early galaxies.</abstract><cop>London</cop><pub>Oxford University Press</pub><doi>10.1093/mnras/stw722</doi><tpages>12</tpages></addata></record> |
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| identifier | ISSN: 0035-8711 |
| ispartof | Monthly notices of the Royal Astronomical Society, 2016-07, Vol.459 (3), p.2591-2602 |
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| language | eng |
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| source | Oxford Journals Open Access Collection; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Astronomical models Extinction Galaxies Physical properties Populations Red shift Spectral energy distribution Spectrum analysis Star & galaxy formation Star formation Star formation rate Symbols Universe |
| title | Physical properties of local star-forming analogues to z ∼ 5 Lyman-break galaxies |
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