The olivine-dominated composition of the Eureka family of Mars Trojan asteroids
Abstract We have used the XSHOOTER echelle spectrograph on the European Southern Obseratory (ESO) Very Large Telescope (VLT) to obtain UVB–VIS–NIR (ultraviolet–blue (UVB), visible (VIS) and near-infrared (NIR)) reflectance spectra of two members of the Eureka family of L5 Mars Trojans, in order to t...
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| Veröffentlicht in: | Monthly notices of the Royal Astronomical Society 2017-04, Vol.466 (1), p.489-495 |
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| container_title | Monthly notices of the Royal Astronomical Society |
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| creator | Borisov, G. Christou, A. Bagnulo, S. Cellino, A. Kwiatkowski, T. Dell'Oro, A. |
| description | Abstract
We have used the XSHOOTER echelle spectrograph on the European Southern Obseratory (ESO) Very Large Telescope (VLT) to obtain UVB–VIS–NIR (ultraviolet–blue (UVB), visible (VIS) and near-infrared (NIR)) reflectance spectra of two members of the Eureka family of L5 Mars Trojans, in order to test a genetic relationship to Eureka. In addition to obtaining spectra, we also carried out VRI photometry of one of the VLT targets using the 2-m telescope at the Bulgarian National Astronomical Observatory – Rozhen and the two-channel focal reducer. We found that these asteroids belong to the olivine-dominated A, or Sa, taxonomic class. As Eureka itself is also an olivine-dominated asteroid, it is likely that all family asteroids share a common origin and composition. We discuss the significance of these results in terms of the origin of the martian Trojan population. |
| doi_str_mv | 10.1093/mnras/stw3075 |
| format | Article |
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We have used the XSHOOTER echelle spectrograph on the European Southern Obseratory (ESO) Very Large Telescope (VLT) to obtain UVB–VIS–NIR (ultraviolet–blue (UVB), visible (VIS) and near-infrared (NIR)) reflectance spectra of two members of the Eureka family of L5 Mars Trojans, in order to test a genetic relationship to Eureka. In addition to obtaining spectra, we also carried out VRI photometry of one of the VLT targets using the 2-m telescope at the Bulgarian National Astronomical Observatory – Rozhen and the two-channel focal reducer. We found that these asteroids belong to the olivine-dominated A, or Sa, taxonomic class. As Eureka itself is also an olivine-dominated asteroid, it is likely that all family asteroids share a common origin and composition. We discuss the significance of these results in terms of the origin of the martian Trojan population.</description><identifier>ISSN: 0035-8711</identifier><identifier>EISSN: 1365-2966</identifier><identifier>DOI: 10.1093/mnras/stw3075</identifier><language>eng</language><publisher>London: Oxford University Press</publisher><subject>Asteroids ; Astronomy ; Genetics ; Infrared radiation ; Mars (planet) ; Near infrared radiation ; Origins ; Reflectivity ; Space telescopes ; Spectra ; Spectrum analysis ; Very Large Telescope</subject><ispartof>Monthly notices of the Royal Astronomical Society, 2017-04, Vol.466 (1), p.489-495</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 Apr 1, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c403t-3870f0b589b92a26b3d3c24533ec0fbf7ea79d0871eb0861e0fa358651c3f2ef3</citedby><cites>FETCH-LOGICAL-c403t-3870f0b589b92a26b3d3c24533ec0fbf7ea79d0871eb0861e0fa358651c3f2ef3</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>Borisov, G.</creatorcontrib><creatorcontrib>Christou, A.</creatorcontrib><creatorcontrib>Bagnulo, S.</creatorcontrib><creatorcontrib>Cellino, A.</creatorcontrib><creatorcontrib>Kwiatkowski, T.</creatorcontrib><creatorcontrib>Dell'Oro, A.</creatorcontrib><title>The olivine-dominated composition of the Eureka family of Mars Trojan asteroids</title><title>Monthly notices of the Royal Astronomical Society</title><description>Abstract
We have used the XSHOOTER echelle spectrograph on the European Southern Obseratory (ESO) Very Large Telescope (VLT) to obtain UVB–VIS–NIR (ultraviolet–blue (UVB), visible (VIS) and near-infrared (NIR)) reflectance spectra of two members of the Eureka family of L5 Mars Trojans, in order to test a genetic relationship to Eureka. In addition to obtaining spectra, we also carried out VRI photometry of one of the VLT targets using the 2-m telescope at the Bulgarian National Astronomical Observatory – Rozhen and the two-channel focal reducer. We found that these asteroids belong to the olivine-dominated A, or Sa, taxonomic class. As Eureka itself is also an olivine-dominated asteroid, it is likely that all family asteroids share a common origin and composition. We discuss the significance of these results in terms of the origin of the martian Trojan population.</description><subject>Asteroids</subject><subject>Astronomy</subject><subject>Genetics</subject><subject>Infrared radiation</subject><subject>Mars (planet)</subject><subject>Near infrared radiation</subject><subject>Origins</subject><subject>Reflectivity</subject><subject>Space telescopes</subject><subject>Spectra</subject><subject>Spectrum analysis</subject><subject>Very Large Telescope</subject><issn>0035-8711</issn><issn>1365-2966</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqN0c9LwzAUB_AgCs7p0XvBi5fqS16bpkcZ8wdMdpnnkrYvmNk2M2mV_fd2biB40VPg8eHxffkydsnhhkOOt23ndbgN_SdClh6xCUeZxiKX8phNADCNVcb5KTsLYQ0ACQo5YcvVK0WusR-2o7h2re10T3VUuXbjgu2t6yJnon5E88HTm46Mbm2z3Q2ftQ_Ryru17iIdevLO1uGcnRjdBLo4vFP2cj9fzR7jxfLhaXa3iKsEsI9RZWCgTFVe5kILWWKNlUhSRKrAlCYjneU1jIGpBCU5gdGYKpnyCo0gg1N2vd-78e59oNAXrQ0VNY3uyA2h4EolHKRQ8h80yxSCGr9oyq5-0bUbfDceMiqpxoBSiFHFe1V5F4InU2y8bbXfFhyKXRPFdxPFoYmfAG7Y_EG_ANIwirU</recordid><startdate>20170401</startdate><enddate>20170401</enddate><creator>Borisov, G.</creator><creator>Christou, A.</creator><creator>Bagnulo, S.</creator><creator>Cellino, A.</creator><creator>Kwiatkowski, T.</creator><creator>Dell'Oro, A.</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>20170401</creationdate><title>The olivine-dominated composition of the Eureka family of Mars Trojan asteroids</title><author>Borisov, G. ; Christou, A. ; Bagnulo, S. ; Cellino, A. ; Kwiatkowski, T. ; Dell'Oro, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c403t-3870f0b589b92a26b3d3c24533ec0fbf7ea79d0871eb0861e0fa358651c3f2ef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Asteroids</topic><topic>Astronomy</topic><topic>Genetics</topic><topic>Infrared radiation</topic><topic>Mars (planet)</topic><topic>Near infrared radiation</topic><topic>Origins</topic><topic>Reflectivity</topic><topic>Space telescopes</topic><topic>Spectra</topic><topic>Spectrum analysis</topic><topic>Very Large Telescope</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Borisov, G.</creatorcontrib><creatorcontrib>Christou, A.</creatorcontrib><creatorcontrib>Bagnulo, S.</creatorcontrib><creatorcontrib>Cellino, A.</creatorcontrib><creatorcontrib>Kwiatkowski, T.</creatorcontrib><creatorcontrib>Dell'Oro, A.</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>Borisov, G.</au><au>Christou, A.</au><au>Bagnulo, S.</au><au>Cellino, A.</au><au>Kwiatkowski, T.</au><au>Dell'Oro, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The olivine-dominated composition of the Eureka family of Mars Trojan asteroids</atitle><jtitle>Monthly notices of the Royal Astronomical Society</jtitle><date>2017-04-01</date><risdate>2017</risdate><volume>466</volume><issue>1</issue><spage>489</spage><epage>495</epage><pages>489-495</pages><issn>0035-8711</issn><eissn>1365-2966</eissn><abstract>Abstract
We have used the XSHOOTER echelle spectrograph on the European Southern Obseratory (ESO) Very Large Telescope (VLT) to obtain UVB–VIS–NIR (ultraviolet–blue (UVB), visible (VIS) and near-infrared (NIR)) reflectance spectra of two members of the Eureka family of L5 Mars Trojans, in order to test a genetic relationship to Eureka. In addition to obtaining spectra, we also carried out VRI photometry of one of the VLT targets using the 2-m telescope at the Bulgarian National Astronomical Observatory – Rozhen and the two-channel focal reducer. We found that these asteroids belong to the olivine-dominated A, or Sa, taxonomic class. As Eureka itself is also an olivine-dominated asteroid, it is likely that all family asteroids share a common origin and composition. We discuss the significance of these results in terms of the origin of the martian Trojan population.</abstract><cop>London</cop><pub>Oxford University Press</pub><doi>10.1093/mnras/stw3075</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Monthly notices of the Royal Astronomical Society, 2017-04, Vol.466 (1), p.489-495 |
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| language | eng |
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| source | Oxford Journals Open Access Collection |
| subjects | Asteroids Astronomy Genetics Infrared radiation Mars (planet) Near infrared radiation Origins Reflectivity Space telescopes Spectra Spectrum analysis Very Large Telescope |
| title | The olivine-dominated composition of the Eureka family of Mars Trojan asteroids |
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