Discovery of Two TNO-like Bodies in the Asteroid Belt
Two extremely red main-belt asteroids, 203 Pompeja and 269 Justitia, were identified from combined visible and near-infrared spectroscopic observations collected at the Infra-red Telescope Facility (IRTF) and Seoul National University Astronomical Observatory (SAO). These two asteroids have a redder...
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| Veröffentlicht in: | Astrophysical journal. Letters 2021-07, Vol.916 (1), p.L6 |
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| container_title | Astrophysical journal. Letters |
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| creator | Hasegawa, Sunao Marsset, Michaël DeMeo, Francesca E. Bus, Schelte J. Geem, Jooyeon Ishiguro, Masateru Im, Myungshin Kuroda, Daisuke Vernazza, Pierre |
| description | Two extremely red main-belt asteroids, 203 Pompeja and 269 Justitia, were identified from combined visible and near-infrared spectroscopic observations collected at the Infra-red Telescope Facility (IRTF) and Seoul National University Astronomical Observatory (SAO). These two asteroids have a redder spectral slope than any other
D
-type body, which are the reddest objects in the asteroid belt, and similar to RR and IR-class objects found in the outer Solar System among trans-Neptunian objects (TNOs) and Centaurs. Spectroscopic results suggest the presence of complex organic materials on the surface layer of these asteroids, implying that they could have formed in the vicinity of Neptune and been transplanted to the main belt region during a phase of planetary migration. 203 Pompeja is the only very red asteroid known so far among the ∼250 bodies with diameter larger than 110 km (i.e., presumably structurally intact) found in the asteroid belt. These discoveries provide more evidence that the main asteroid belt hosts a population of bodies that were formed in the outskirts of the Solar System. |
| doi_str_mv | 10.3847/2041-8213/ac0f05 |
| format | Article |
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D
-type body, which are the reddest objects in the asteroid belt, and similar to RR and IR-class objects found in the outer Solar System among trans-Neptunian objects (TNOs) and Centaurs. Spectroscopic results suggest the presence of complex organic materials on the surface layer of these asteroids, implying that they could have formed in the vicinity of Neptune and been transplanted to the main belt region during a phase of planetary migration. 203 Pompeja is the only very red asteroid known so far among the ∼250 bodies with diameter larger than 110 km (i.e., presumably structurally intact) found in the asteroid belt. These discoveries provide more evidence that the main asteroid belt hosts a population of bodies that were formed in the outskirts of the Solar System.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><identifier>DOI: 10.3847/2041-8213/ac0f05</identifier><language>eng</language><publisher>Austin: The American Astronomical Society</publisher><subject>Asteroids ; Belts ; Celestial bodies ; Centaurs ; Infrared spectra ; Infrared spectroscopy ; Near infrared radiation ; Neptune ; Organic materials ; Outer solar system ; Planetary evolution ; Sciences of the Universe ; Small Solar System bodies ; Solar system formation ; Surface boundary layer ; Surface layers ; Trans-Neptunian objects</subject><ispartof>Astrophysical journal. Letters, 2021-07, Vol.916 (1), p.L6</ispartof><rights>2021. The American Astronomical Society. All rights reserved.</rights><rights>Copyright IOP Publishing Jul 01, 2021</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c480t-fcf89ec1c912f084b140f5990dc5a2000244db05ad4be53736705984119f284a3</citedby><cites>FETCH-LOGICAL-c480t-fcf89ec1c912f084b140f5990dc5a2000244db05ad4be53736705984119f284a3</cites><orcidid>0000-0002-3291-4056 ; 0000-0002-8537-6714 ; 0000-0001-6366-2608 ; 0000-0002-7363-187X ; 0000-0002-2564-6743 ; 0000-0002-8397-4219 ; 0000-0002-7332-2479 ; 0000-0001-8617-2425 ; 0000-0003-4191-6536</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/2041-8213/ac0f05/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>230,314,776,780,881,27901,27902,38845,38867,53815,53842</link.rule.ids><linktorsrc>$$Uhttps://iopscience.iop.org/article/10.3847/2041-8213/ac0f05$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc><backlink>$$Uhttps://hal.science/hal-03407177$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Hasegawa, Sunao</creatorcontrib><creatorcontrib>Marsset, Michaël</creatorcontrib><creatorcontrib>DeMeo, Francesca E.</creatorcontrib><creatorcontrib>Bus, Schelte J.</creatorcontrib><creatorcontrib>Geem, Jooyeon</creatorcontrib><creatorcontrib>Ishiguro, Masateru</creatorcontrib><creatorcontrib>Im, Myungshin</creatorcontrib><creatorcontrib>Kuroda, Daisuke</creatorcontrib><creatorcontrib>Vernazza, Pierre</creatorcontrib><title>Discovery of Two TNO-like Bodies in the Asteroid Belt</title><title>Astrophysical journal. Letters</title><addtitle>APJL</addtitle><addtitle>Astrophys. J. Lett</addtitle><description>Two extremely red main-belt asteroids, 203 Pompeja and 269 Justitia, were identified from combined visible and near-infrared spectroscopic observations collected at the Infra-red Telescope Facility (IRTF) and Seoul National University Astronomical Observatory (SAO). These two asteroids have a redder spectral slope than any other
D
-type body, which are the reddest objects in the asteroid belt, and similar to RR and IR-class objects found in the outer Solar System among trans-Neptunian objects (TNOs) and Centaurs. Spectroscopic results suggest the presence of complex organic materials on the surface layer of these asteroids, implying that they could have formed in the vicinity of Neptune and been transplanted to the main belt region during a phase of planetary migration. 203 Pompeja is the only very red asteroid known so far among the ∼250 bodies with diameter larger than 110 km (i.e., presumably structurally intact) found in the asteroid belt. These discoveries provide more evidence that the main asteroid belt hosts a population of bodies that were formed in the outskirts of the Solar System.</description><subject>Asteroids</subject><subject>Belts</subject><subject>Celestial bodies</subject><subject>Centaurs</subject><subject>Infrared spectra</subject><subject>Infrared spectroscopy</subject><subject>Near infrared radiation</subject><subject>Neptune</subject><subject>Organic materials</subject><subject>Outer solar system</subject><subject>Planetary evolution</subject><subject>Sciences of the Universe</subject><subject>Small Solar System bodies</subject><subject>Solar system formation</subject><subject>Surface boundary layer</subject><subject>Surface layers</subject><subject>Trans-Neptunian objects</subject><issn>2041-8205</issn><issn>2041-8213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kM9LwzAcxYMoOKd3jwHxIFj9pkna5LjNHxOGu8xzyNKEZdalNt1k_70tlXkRT98vj897PB5ClwTuqGD5fQqMJCIl9F4bcMCP0OAgHR9-4KfoLMY1QAoZEQPEH3w0YWfrPQ4OL74CXrzOk9K_WzwOhbcR-w1uVhaPYmPr4As8tmVzjk6cLqO9-LlD9Pb0uJhMk9n8-WUymiWGCWgSZ5yQ1hAjSepAsCVh4LiUUBiuU2hLMFYsgeuCLS2nOc1y4FIwQqRLBdN0iG763JUuVVX7D13vVdBeTUcz1WlAGeQkz3ekZa96tqrD59bGRq3Dtt609VTKOadSsixvKegpU4cYa-sOsQRUN6TqllLdaqofsrXc9hYfqt_Mf_DrP3BdrUslSaaImmWqKhz9BoVSfME</recordid><startdate>20210701</startdate><enddate>20210701</enddate><creator>Hasegawa, Sunao</creator><creator>Marsset, Michaël</creator><creator>DeMeo, Francesca E.</creator><creator>Bus, Schelte J.</creator><creator>Geem, Jooyeon</creator><creator>Ishiguro, Masateru</creator><creator>Im, Myungshin</creator><creator>Kuroda, Daisuke</creator><creator>Vernazza, Pierre</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><general>Bristol : IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-3291-4056</orcidid><orcidid>https://orcid.org/0000-0002-8537-6714</orcidid><orcidid>https://orcid.org/0000-0001-6366-2608</orcidid><orcidid>https://orcid.org/0000-0002-7363-187X</orcidid><orcidid>https://orcid.org/0000-0002-2564-6743</orcidid><orcidid>https://orcid.org/0000-0002-8397-4219</orcidid><orcidid>https://orcid.org/0000-0002-7332-2479</orcidid><orcidid>https://orcid.org/0000-0001-8617-2425</orcidid><orcidid>https://orcid.org/0000-0003-4191-6536</orcidid></search><sort><creationdate>20210701</creationdate><title>Discovery of Two TNO-like Bodies in the Asteroid Belt</title><author>Hasegawa, Sunao ; Marsset, Michaël ; DeMeo, Francesca E. ; Bus, Schelte J. ; Geem, Jooyeon ; Ishiguro, Masateru ; Im, Myungshin ; Kuroda, Daisuke ; Vernazza, Pierre</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c480t-fcf89ec1c912f084b140f5990dc5a2000244db05ad4be53736705984119f284a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Asteroids</topic><topic>Belts</topic><topic>Celestial bodies</topic><topic>Centaurs</topic><topic>Infrared spectra</topic><topic>Infrared spectroscopy</topic><topic>Near infrared radiation</topic><topic>Neptune</topic><topic>Organic materials</topic><topic>Outer solar system</topic><topic>Planetary evolution</topic><topic>Sciences of the Universe</topic><topic>Small Solar System bodies</topic><topic>Solar system formation</topic><topic>Surface boundary layer</topic><topic>Surface layers</topic><topic>Trans-Neptunian objects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hasegawa, Sunao</creatorcontrib><creatorcontrib>Marsset, Michaël</creatorcontrib><creatorcontrib>DeMeo, Francesca E.</creatorcontrib><creatorcontrib>Bus, Schelte J.</creatorcontrib><creatorcontrib>Geem, Jooyeon</creatorcontrib><creatorcontrib>Ishiguro, Masateru</creatorcontrib><creatorcontrib>Im, Myungshin</creatorcontrib><creatorcontrib>Kuroda, Daisuke</creatorcontrib><creatorcontrib>Vernazza, Pierre</creatorcontrib><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>Hyper Article en Ligne (HAL)</collection><jtitle>Astrophysical journal. 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| subjects | Asteroids Belts Celestial bodies Centaurs Infrared spectra Infrared spectroscopy Near infrared radiation Neptune Organic materials Outer solar system Planetary evolution Sciences of the Universe Small Solar System bodies Solar system formation Surface boundary layer Surface layers Trans-Neptunian objects |
| title | Discovery of Two TNO-like Bodies in the Asteroid Belt |
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