A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua
A stellar occultation by the extreme large-perihelion trans-Neptunian object (541132) Leleākūhonua (also known by the provisional designation of 2015 TG 387 ) was predicted by the Lucky Star project and observed with the Research and Education Collaborative Occultation Network on 2018 October 20 UT....
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creator | Buie, Marc W. Leiva, Rodrigo Keller, John M. Desmars, Josselin Sicardy, Bruno Kavelaars, JJ Bridges, Terry Weryk, Robert Herald, Dave Haley, Sean L. Strauss, Ryder Wilde, Elizabeth Baker, Robert Conway, Ken Dean, Bryan Dunham, Mackenzie Estes, James J Fiechter, Naemi Givot, Rima Glibbery, Cameron Gowe, Bruce Hayman, Jennifer N. Ireland, Olivia L Kehrli, Matthew Moore, Erik M. MacDonald, Matthew A. McCrystal, Delsie Mendoza, Paola Palmquist, Bruce Rennau, Sherry Schar, Ramsey Swanson, Diana J. Terris, Emma D. Werts, Holly Wise, J. A. |
description | A stellar occultation by the extreme large-perihelion trans-Neptunian object (541132) Leleākūhonua (also known by the provisional designation of 2015 TG
387
) was predicted by the Lucky Star project and observed with the Research and Education Collaborative Occultation Network on 2018 October 20 UT. A single detection and a nearby nondetection provide constraints for the size and albedo. When a circular profile is assumed, the radius is
km, corresponding to a geometric albedo
, for an adopted absolute magnitude of
H
V
= 5.6, typical of other objects in dynamically similar orbits. The occultation also provides a high-precision astrometric constraint. |
doi_str_mv | 10.3847/1538-3881/ab8630 |
format | Article |
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387
) was predicted by the Lucky Star project and observed with the Research and Education Collaborative Occultation Network on 2018 October 20 UT. A single detection and a nearby nondetection provide constraints for the size and albedo. When a circular profile is assumed, the radius is
km, corresponding to a geometric albedo
, for an adopted absolute magnitude of
H
V
= 5.6, typical of other objects in dynamically similar orbits. The occultation also provides a high-precision astrometric constraint.</description><identifier>ISSN: 0004-6256</identifier><identifier>EISSN: 1538-3881</identifier><identifier>DOI: 10.3847/1538-3881/ab8630</identifier><language>eng</language><publisher>Madison: IOP Publishing</publisher><subject>Albedo ; Astronomy ; Astrophysics ; Perihelions ; Physics ; Stellar occultation ; Trans-Neptunian objects</subject><ispartof>The Astronomical journal, 2020-05, Vol.159 (5), p.230</ispartof><rights>Copyright IOP Publishing May 2020</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-c347t-31f818ac8702fcec80b53712abe8ab18e2a54241e8ad876c1ba3eec013d717613</citedby><cites>FETCH-LOGICAL-c347t-31f818ac8702fcec80b53712abe8ab18e2a54241e8ad876c1ba3eec013d717613</cites><orcidid>0000-0003-1995-0842 ; 0000-0002-0915-4861 ; 0000-0003-0854-745X ; 0000-0002-0439-9341 ; 0000-0002-6477-1360 ; 0000-0001-7032-5255 ; 0000-0002-2193-8204</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://hal.science/hal-03238420$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Buie, Marc W.</creatorcontrib><creatorcontrib>Leiva, Rodrigo</creatorcontrib><creatorcontrib>Keller, John M.</creatorcontrib><creatorcontrib>Desmars, Josselin</creatorcontrib><creatorcontrib>Sicardy, Bruno</creatorcontrib><creatorcontrib>Kavelaars, JJ</creatorcontrib><creatorcontrib>Bridges, Terry</creatorcontrib><creatorcontrib>Weryk, Robert</creatorcontrib><creatorcontrib>Herald, Dave</creatorcontrib><creatorcontrib>Haley, Sean L.</creatorcontrib><creatorcontrib>Strauss, Ryder</creatorcontrib><creatorcontrib>Wilde, Elizabeth</creatorcontrib><creatorcontrib>Baker, Robert</creatorcontrib><creatorcontrib>Conway, Ken</creatorcontrib><creatorcontrib>Dean, Bryan</creatorcontrib><creatorcontrib>Dunham, Mackenzie</creatorcontrib><creatorcontrib>Estes, James J</creatorcontrib><creatorcontrib>Fiechter, Naemi</creatorcontrib><creatorcontrib>Givot, Rima</creatorcontrib><creatorcontrib>Glibbery, Cameron</creatorcontrib><creatorcontrib>Gowe, Bruce</creatorcontrib><creatorcontrib>Hayman, Jennifer N.</creatorcontrib><creatorcontrib>Ireland, Olivia L</creatorcontrib><creatorcontrib>Kehrli, Matthew</creatorcontrib><creatorcontrib>Moore, Erik M.</creatorcontrib><creatorcontrib>MacDonald, Matthew A.</creatorcontrib><creatorcontrib>McCrystal, Delsie</creatorcontrib><creatorcontrib>Mendoza, Paola</creatorcontrib><creatorcontrib>Palmquist, Bruce</creatorcontrib><creatorcontrib>Rennau, Sherry</creatorcontrib><creatorcontrib>Schar, Ramsey</creatorcontrib><creatorcontrib>Swanson, Diana J.</creatorcontrib><creatorcontrib>Terris, Emma D.</creatorcontrib><creatorcontrib>Werts, Holly</creatorcontrib><creatorcontrib>Wise, J. A.</creatorcontrib><title>A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua</title><title>The Astronomical journal</title><description>A stellar occultation by the extreme large-perihelion trans-Neptunian object (541132) Leleākūhonua (also known by the provisional designation of 2015 TG
387
) was predicted by the Lucky Star project and observed with the Research and Education Collaborative Occultation Network on 2018 October 20 UT. A single detection and a nearby nondetection provide constraints for the size and albedo. When a circular profile is assumed, the radius is
km, corresponding to a geometric albedo
, for an adopted absolute magnitude of
H
V
= 5.6, typical of other objects in dynamically similar orbits. The occultation also provides a high-precision astrometric constraint.</description><subject>Albedo</subject><subject>Astronomy</subject><subject>Astrophysics</subject><subject>Perihelions</subject><subject>Physics</subject><subject>Stellar occultation</subject><subject>Trans-Neptunian objects</subject><issn>0004-6256</issn><issn>1538-3881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9kL1OwzAUhS0EEqWwM1pioUOor50fd6yqQpEiOrTMxnFvSEqaFMdBdOR5eA14LxIFdbo6R5-Orj5CroHdCelHYwiE9ISUMNaJDAU7IYNjdUoGjDHfC3kQnpOLut4yBiCZPyAvU7rKy9cCPZNVdkNXDotCW7o0pimcdnlV0uRAXYZ0_uks7pCurS5r7wn3rilzXdJlskXj6G3gAwg-ojEW-PP19vudVWWjL8lZqosar_7vkDzfz9ezhRcvHx5n09gzwo-cJyCVILWREeOpQSNZEogIuE5Q6gQkch343Ic2bWQUGki0QDQMxCaCKAQxJKN-N9OF2tt8p-1BVTpXi2msuo4J3ori7KNjb3p2b6v3BmuntlVjy_Y9xcUkEHwiI9lSrKeMreraYnqcBaY656oTrDrBqncu_gD3NnM8</recordid><startdate>20200501</startdate><enddate>20200501</enddate><creator>Buie, Marc W.</creator><creator>Leiva, Rodrigo</creator><creator>Keller, John M.</creator><creator>Desmars, Josselin</creator><creator>Sicardy, Bruno</creator><creator>Kavelaars, JJ</creator><creator>Bridges, Terry</creator><creator>Weryk, Robert</creator><creator>Herald, Dave</creator><creator>Haley, Sean L.</creator><creator>Strauss, Ryder</creator><creator>Wilde, Elizabeth</creator><creator>Baker, Robert</creator><creator>Conway, Ken</creator><creator>Dean, Bryan</creator><creator>Dunham, Mackenzie</creator><creator>Estes, James J</creator><creator>Fiechter, Naemi</creator><creator>Givot, Rima</creator><creator>Glibbery, Cameron</creator><creator>Gowe, Bruce</creator><creator>Hayman, Jennifer N.</creator><creator>Ireland, Olivia L</creator><creator>Kehrli, Matthew</creator><creator>Moore, Erik M.</creator><creator>MacDonald, Matthew A.</creator><creator>McCrystal, Delsie</creator><creator>Mendoza, Paola</creator><creator>Palmquist, Bruce</creator><creator>Rennau, Sherry</creator><creator>Schar, Ramsey</creator><creator>Swanson, Diana J.</creator><creator>Terris, Emma D.</creator><creator>Werts, Holly</creator><creator>Wise, J. 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A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua</atitle><jtitle>The Astronomical journal</jtitle><date>2020-05-01</date><risdate>2020</risdate><volume>159</volume><issue>5</issue><spage>230</spage><pages>230-</pages><issn>0004-6256</issn><eissn>1538-3881</eissn><abstract>A stellar occultation by the extreme large-perihelion trans-Neptunian object (541132) Leleākūhonua (also known by the provisional designation of 2015 TG
387
) was predicted by the Lucky Star project and observed with the Research and Education Collaborative Occultation Network on 2018 October 20 UT. A single detection and a nearby nondetection provide constraints for the size and albedo. When a circular profile is assumed, the radius is
km, corresponding to a geometric albedo
, for an adopted absolute magnitude of
H
V
= 5.6, typical of other objects in dynamically similar orbits. The occultation also provides a high-precision astrometric constraint.</abstract><cop>Madison</cop><pub>IOP Publishing</pub><doi>10.3847/1538-3881/ab8630</doi><orcidid>https://orcid.org/0000-0003-1995-0842</orcidid><orcidid>https://orcid.org/0000-0002-0915-4861</orcidid><orcidid>https://orcid.org/0000-0003-0854-745X</orcidid><orcidid>https://orcid.org/0000-0002-0439-9341</orcidid><orcidid>https://orcid.org/0000-0002-6477-1360</orcidid><orcidid>https://orcid.org/0000-0001-7032-5255</orcidid><orcidid>https://orcid.org/0000-0002-2193-8204</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Albedo Astronomy Astrophysics Perihelions Physics Stellar occultation Trans-Neptunian objects |
title | A Single-chord Stellar Occultation by the Extreme Trans-Neptunian Object (541132) Leleākūhonua |
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