{"created":"2025-02-21T03:18:34.175116+00:00","id":2006347,"links":{},"metadata":{"_buckets":{"deposit":"cbb718c4-c4f3-4f99-a760-911ed590f8eb"},"_deposit":{"created_by":41,"id":"2006347","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2006347"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02006347","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Multiband Optical Observation of The P/2010 A2 Dust Tail","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Kim, Junhan","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kim","familyNameLang":"en"}],"givenNames":[{"givenName":"Junhan","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Ishiguro, Masateru","creatorNameLang":"en"}],"familyNames":[{"familyName":"Ishiguro","familyNameLang":"en"}],"givenNames":[{"givenName":"Masateru","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Hanayama, Hidekazu","creatorNameLang":"en"}],"familyNames":[{"familyName":"Hanayama","familyNameLang":"en"}],"givenNames":[{"givenName":"Hidekazu","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Hasegawa, Sunao","creatorNameLang":"en"}],"familyNames":[{"familyName":"Hasegawa","familyNameLang":"en"}],"givenNames":[{"givenName":"Sunao","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Usui, Fumihiko","creatorNameLang":"en"}],"familyNames":[{"familyName":"Usui","familyNameLang":"en"}],"givenNames":[{"givenName":"Fumihiko","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Yanagisawa, Kenshi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Yanagisawa","familyNameLang":"en"}],"givenNames":[{"givenName":"Kenshi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Sarugaku, Yuki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Sarugaku","familyNameLang":"en"}],"givenNames":[{"givenName":"Yuki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Watanabe, Jun-ichi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Watanabe","familyNameLang":"en"}],"givenNames":[{"givenName":"Jun-ichi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Yoshida, Michitoshi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Yoshida","familyNameLang":"en"}],"givenNames":[{"givenName":"Michitoshi","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"(c) 2012. The American Astronomical Society. All rights reserved. Printed in the U.S.A."}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"comets: general","subitem_subject_scheme":"Other"},{"subitem_subject":"comets: individual (P/2010 A2)","subitem_subject_scheme":"Other"},{"subitem_subject":"minor planets, asteroids: general","subitem_subject_scheme":"Other"},{"subitem_subject":"440","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"An inner main-belt asteroid, P/2010 A2, was discovered on 2010 January 6. Based on its orbital elements, it is considered that the asteroid belongs to the Flora collisional family, where S-type asteroids are common, while showing a comet-like dust tail. Although analysis of images taken by the Hubble Space Telescope and Rosetta spacecraft suggested that the dust tail resulted from a recent head-on collision between asteroids, an alternative idea of ice sublimation was suggested based on the morphological fitting of ground-based images. Here, we report a multiband observation of P/2010 A2 made on 2010 January with a 105 cm telescope at the Ishigakijima Astronomical Observatory. Three broadband filters, g', R-c, and I-c, were employed for the observation. The unique multiband data reveal that the reflectance spectrum of the P/2010 A2 dust tail resembles that of an Sq-type asteroid or that of ordinary chondrites rather than that of an S-type asteroid. Due to the large error of the measurement, the reflectance spectrum also resembles the spectra of C-type asteroids, even though C-type asteroids are uncommon in the Flora family. The reflectances relative to the g' band (470 nm) are 1.096 +/- 0.046 at the R-c band (650 nm) and 1.131 +/- 0.061 at the I-c band (800 nm). We hypothesize that the parent body of P/2010 A2 was originally S-type but was then shattered upon collision into scattering fresh chondritic particles from the interior, thus forming the dust tail.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"IOP Publishing Ltd"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"2041-8205","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA00553264","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"L11"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2012","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageStart":"L11","bibliographicVolumeNumber":"746","bibliographic_titles":[{"bibliographic_title":"Astrophysical Journal Letters"},{"bibliographic_title":"Astrophysical Journal Letters"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1088/2041-8205/746/1/L11","subitem_relation_type_select":"DOI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1088/2041-8205/746/1/L11","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"AstrophysJLet_746_L11.pdf","filesize":[{"value":"1.0 MB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2006347/files/AstrophysJLet_746_L11.pdf"},"version_id":"ee4b5edc-bf85-4f96-84f1-3baff4fb7037"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"34749"},"item_title":"Multiband Optical Observation of The P/2010 A2 Dust Tail","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2006347","relation_version_is_last":true,"title":["Multiband Optical Observation of The P/2010 A2 Dust Tail"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-21T07:22:23.229779+00:00"}