Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2133105389', 'doi': 'https://doi.org/10.1051/0004-6361/200811382', 'title': 'Parallaxes and proper motions for 20 open clusters as based on the new Hipparcos catalogue', 'display_name': 'Parallaxes and proper motions for 20 open clusters as based on the new Hipparcos catalogue', 'publication_year': 2009, 'publication_date': '2009-02-09', 'ids': {'openalex': 'https://openalex.org/W2133105389', 'doi': 'https://doi.org/10.1051/0004-6361/200811382', 'mag': '2133105389'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/200811382', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2009/13/aa11382-08.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['arxiv', 'crossref', 'datacite'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://www.aanda.org/articles/aa/pdf/2009/13/aa11382-08.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5006666910', 'display_name': 'F. van Leeuwen', 'orcid': 'https://orcid.org/0000-0003-1781-4441'}, 'institutions': [], 'countries': ['GB'], 'is_corresponding': True, 'raw_author_name': 'F. van Leeuwen', 'raw_affiliation_strings': ['Institute of Astronomy, Madingley Road, Cambridge, UK e-mail: [email protected]'], 'affiliations': [{'raw_affiliation_string': 'Institute of Astronomy, Madingley Road, Cambridge, UK e-mail: [email protected]', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5006666910'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 11.2, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 485, 'citation_normalized_percentile': {'value': 0.999945, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '497', 'issue': '1', 'first_page': '209', 'last_page': '242'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10039', 'display_name': 'Stellar, planetary, and galactic studies', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10039', 'display_name': 'Stellar, planetary, and galactic studies', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12917', 'display_name': 'Astronomy and Astrophysical Research', 'score': 0.9967, 'subfield': {'id': 'https://openalex.org/subfields/3105', 'display_name': 'Instrumentation'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11323', 'display_name': 'Gamma-ray bursts and supernovae', 'score': 0.996, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/pleiades', 'display_name': 'Pleiades', 'score': 0.8754979}, {'id': 'https://openalex.org/keywords/parallax', 'display_name': 'Parallax', 'score': 0.6386753}, {'id': 'https://openalex.org/keywords/proper-motion', 'display_name': 'Proper motion', 'score': 0.5606429}, {'id': 'https://openalex.org/keywords/astrometry', 'display_name': 'Astrometry', 'score': 0.5077628}, {'id': 'https://openalex.org/keywords/hertzsprung–russell-diagram', 'display_name': 'Hertzsprung–Russell diagram', 'score': 0.4165405}], 'concepts': [{'id': 'https://openalex.org/C2780846721', 'wikidata': 'https://www.wikidata.org/wiki/Q13423', 'display_name': 'Pleiades', 'level': 3, 'score': 0.8754979}, {'id': 'https://openalex.org/C52348108', 'wikidata': 'https://www.wikidata.org/wiki/Q11387', 'display_name': 'Open cluster', 'level': 3, 'score': 0.8482923}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.69652104}, {'id': 'https://openalex.org/C150846664', 'wikidata': 'https://www.wikidata.org/wiki/Q7602306', 'display_name': 'Stars', 'level': 2, 'score': 0.64318836}, {'id': 'https://openalex.org/C15759828', 'wikidata': 'https://www.wikidata.org/wiki/Q165074', 'display_name': 'Parallax', 'level': 2, 'score': 0.6386753}, {'id': 'https://openalex.org/C176673079', 'wikidata': 'https://www.wikidata.org/wiki/Q193223', 'display_name': 'Proper motion', 'level': 3, 'score': 0.5606429}, {'id': 'https://openalex.org/C2779343474', 'wikidata': 'https://www.wikidata.org/wiki/Q3109175', 'display_name': 'Context (archaeology)', 'level': 2, 'score': 0.5154389}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.5132277}, {'id': 'https://openalex.org/C133725777', 'wikidata': 'https://www.wikidata.org/wiki/Q181505', 'display_name': 'Astrometry', 'level': 3, 'score': 0.5077628}, {'id': 'https://openalex.org/C57493831', 'wikidata': 'https://www.wikidata.org/wiki/Q3134666', 'display_name': 'Projection (relational algebra)', 'level': 2, 'score': 0.4837182}, {'id': 'https://openalex.org/C48393594', 'wikidata': 'https://www.wikidata.org/wiki/Q168845', 'display_name': 'Star cluster', 'level': 3, 'score': 0.48137954}, {'id': 'https://openalex.org/C164866538', 'wikidata': 'https://www.wikidata.org/wiki/Q367351', 'display_name': 'Cluster (spacecraft)', 'level': 2, 'score': 0.4439008}, {'id': 'https://openalex.org/C126691448', 'wikidata': 'https://www.wikidata.org/wiki/Q2028919', 'display_name': 'Magnitude (astronomy)', 'level': 2, 'score': 0.42411733}, {'id': 'https://openalex.org/C29975890', 'wikidata': 'https://www.wikidata.org/wiki/Q3270143', 'display_name': 'Hertzsprung–Russell diagram', 'level': 4, 'score': 0.4165405}, {'id': 'https://openalex.org/C186399060', 'wikidata': 'https://www.wikidata.org/wiki/Q959962', 'display_name': 'Diagram', 'level': 2, 'score': 0.41499516}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.32208896}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.17277974}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.15626991}, {'id': 'https://openalex.org/C110472602', 'wikidata': 'https://www.wikidata.org/wiki/Q6472', 'display_name': 'Stellar evolution', 'level': 3, 'score': 0.13770178}, {'id': 'https://openalex.org/C11413529', 'wikidata': 'https://www.wikidata.org/wiki/Q8366', 'display_name': 'Algorithm', 'level': 1, 'score': 0.13496327}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.12333548}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.08918494}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 4, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/200811382', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2009/13/aa11382-08.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/0902.1039', 'pdf_url': 'https://arxiv.org/pdf/0902.1039', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://arxiv.org/abs/0902.1039', 'pdf_url': 'http://arxiv.org/pdf/0902.1039', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.0902.1039', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/200811382', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2009/13/aa11382-08.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W2133105389', 'https://openalex.org/W3099184710'], 'referenced_works_count': 158, 'referenced_works': ['https://openalex.org/W112778630', 'https://openalex.org/W15073405', 'https://openalex.org/W1513578111', 'https://openalex.org/W1515811273', 'https://openalex.org/W1531405306', 'https://openalex.org/W156023471', 'https://openalex.org/W1591663211', 'https://openalex.org/W1603331065', 'https://openalex.org/W1619205399', 'https://openalex.org/W1644765713', 'https://openalex.org/W1658485765', 'https://openalex.org/W1670318221', 'https://openalex.org/W173351405', 'https://openalex.org/W1894864087', 'https://openalex.org/W1963507292', 'https://openalex.org/W1965679634', 'https://openalex.org/W1966338610', 'https://openalex.org/W1966742703', 'https://openalex.org/W1969738207', 'https://openalex.org/W1970279746', 'https://openalex.org/W1971047229', 'https://openalex.org/W1971918197', 'https://openalex.org/W1975104250', 'https://openalex.org/W1978457531', 'https://openalex.org/W1978557404', 'https://openalex.org/W1982381317', 'https://openalex.org/W1984622780', 'https://openalex.org/W1987583777', 'https://openalex.org/W1988935613', 'https://openalex.org/W1990514787', 'https://openalex.org/W1991407905', 'https://openalex.org/W1993681724', 'https://openalex.org/W1993727612', 'https://openalex.org/W1994571747', 'https://openalex.org/W1995714061', 'https://openalex.org/W1996155842', 'https://openalex.org/W1997193153', 'https://openalex.org/W1998114507', 'https://openalex.org/W1998182014', 'https://openalex.org/W2004034605', 'https://openalex.org/W2006494970', 'https://openalex.org/W2008050494', 'https://openalex.org/W2008685005', 'https://openalex.org/W2009053642', 'https://openalex.org/W2009423452', 'https://openalex.org/W2009797568', 'https://openalex.org/W2010211666', 'https://openalex.org/W2011640212', 'https://openalex.org/W2013386643', 'https://openalex.org/W2017714855', 'https://openalex.org/W2019557778', 'https://openalex.org/W2021253485', 'https://openalex.org/W2023912214', 'https://openalex.org/W2024608061', 'https://openalex.org/W2025377617', 'https://openalex.org/W2029483840', 'https://openalex.org/W2031416577', 'https://openalex.org/W2031467958', 'https://openalex.org/W2032188824', 'https://openalex.org/W2032638563', 'https://openalex.org/W2035538552', 'https://openalex.org/W2036105309', 'https://openalex.org/W2036433705', 'https://openalex.org/W2036696684', 'https://openalex.org/W2038053600', 'https://openalex.org/W2040367467', 'https://openalex.org/W2041639237', 'https://openalex.org/W2041752480', 'https://openalex.org/W2045757511', 'https://openalex.org/W2046149146', 'https://openalex.org/W2046541928', 'https://openalex.org/W2050648088', 'https://openalex.org/W2053045005', 'https://openalex.org/W2055124045', 'https://openalex.org/W2055808744', 'https://openalex.org/W2056000108', 'https://openalex.org/W2058655051', 'https://openalex.org/W2059330441', 'https://openalex.org/W2060662159', 'https://openalex.org/W2061201999', 'https://openalex.org/W2064166884', 'https://openalex.org/W2066030847', 'https://openalex.org/W2067147310', 'https://openalex.org/W2070098149', 'https://openalex.org/W2071819731', 'https://openalex.org/W2073891539', 'https://openalex.org/W2078330210', 'https://openalex.org/W2081698332', 'https://openalex.org/W2083275497', 'https://openalex.org/W2085046897', 'https://openalex.org/W2088449447', 'https://openalex.org/W2088484832', 'https://openalex.org/W2089981140', 'https://openalex.org/W2090468198', 'https://openalex.org/W2092682255', 'https://openalex.org/W2093290709', 'https://openalex.org/W2094721804', 'https://openalex.org/W2096078770', 'https://openalex.org/W2100022625', 'https://openalex.org/W2105005230', 'https://openalex.org/W2110643469', 'https://openalex.org/W2113429462', 'https://openalex.org/W2120858303', 'https://openalex.org/W2120885706', 'https://openalex.org/W2121289644', 'https://openalex.org/W2126142867', 'https://openalex.org/W2126758611', 'https://openalex.org/W2131977591', 'https://openalex.org/W2133725650', 'https://openalex.org/W2135812749', 'https://openalex.org/W2135977520', 'https://openalex.org/W2139274463', 'https://openalex.org/W2142355095', 'https://openalex.org/W2143845084', 'https://openalex.org/W2147257760', 'https://openalex.org/W2147420950', 'https://openalex.org/W2168390764', 'https://openalex.org/W2171327366', 'https://openalex.org/W2188378950', 'https://openalex.org/W2259017860', 'https://openalex.org/W2304936571', 'https://openalex.org/W2493060520', 'https://openalex.org/W270198418', 'https://openalex.org/W2788533967', 'https://openalex.org/W2915489718', 'https://openalex.org/W2916004009', 'https://openalex.org/W2917409705', 'https://openalex.org/W2963288145', 'https://openalex.org/W2984048300', 'https://openalex.org/W2988401499', 'https://openalex.org/W2997048769', 'https://openalex.org/W3018025619', 'https://openalex.org/W3022039841', 'https://openalex.org/W3028949891', 'https://openalex.org/W3030807048', 'https://openalex.org/W3043072757', 'https://openalex.org/W3045152236', 'https://openalex.org/W3092988075', 'https://openalex.org/W3099440091', 'https://openalex.org/W3103626181', 'https://openalex.org/W3103916837', 'https://openalex.org/W3105501855', 'https://openalex.org/W3106360818', 'https://openalex.org/W3117387016', 'https://openalex.org/W3132853360', 'https://openalex.org/W3192284492', 'https://openalex.org/W3211781600', 'https://openalex.org/W4248356164', 'https://openalex.org/W4252570644', 'https://openalex.org/W4253223296', 'https://openalex.org/W4289924294', 'https://openalex.org/W4297126491', 'https://openalex.org/W4298225092', 'https://openalex.org/W4299821265', 'https://openalex.org/W4301780296', 'https://openalex.org/W4302199698', 'https://openalex.org/W68832781', 'https://openalex.org/W9509515'], 'related_works': ['https://openalex.org/W4303429982', 'https://openalex.org/W3100622048', 'https://openalex.org/W2951371928', 'https://openalex.org/W2139556167', 'https://openalex.org/W2126347683', 'https://openalex.org/W2049432014', 'https://openalex.org/W2005183032', 'https://openalex.org/W1993727612', 'https://openalex.org/W1589573487', 'https://openalex.org/W1529032299'], 'abstract_inverted_index': {'A': [0], 'new': [1, 79], 'reduction': [2], 'of': [3, 57, 99, 113, 118, 128, 137, 177], 'the': [4, 10, 18, 38, 44, 100, 119, 134, 138, 141, 152, 175, 181], 'astrometric': [5, 81], 'data': [6], 'as': [7], 'produced': [8], 'by': [9, 30, 52, 133], 'Hipparcos': [11, 80], 'mission': [12], 'has': [13, 184], 'been': [14, 50, 185], 'published,': [15], 'claiming': [16], 'that': [17], 'accuracies': [19], 'for': [20, 72, 93, 131, 140, 145, 151], 'nearly': [21], 'all': [22], 'stars': [23], 'brighter': [24], 'than': [25, 54], 'magnitude': [26, 58], '$\\mathrm{Hp}=8$': [27], 'are': [28, 103, 123, 161, 170], 'improved,': [29], 'up': [31], 'to': [32, 37, 59, 65, 85, 107, 111], 'a': [33], 'factor': [34], '4,': [35], 'compared': [36, 104], 'original': [39], 'catalogue.': [40], 'As': [41], 'correlations': [42], 'between': [43], 'underlying': [45], 'abscissa': [46], 'residuals': [47], 'have': [48], 'also': [49], 'reduced': [51], 'more': [53], 'an': [55, 60], 'order': [56], 'insignificant': [61], 'level,': [62], 'our': [63], 'ability': [64], 'determine': [66], 'reliable': [67], 'parallaxes': [68], 'and': [69, 89, 105, 143, 148, 150, 156], 'proper': [70, 90], 'motions': [71], 'open': [73, 95], 'clusters': [74, 102, 129], 'should': [75], 'be': [76], 'improved.': [77], 'The': [78, 97, 116, 159], 'catalogue': [82], 'is': [83], 'used': [84], 'derive': [86], 'mean': [87], 'parallax': [88], 'motion': [91], 'estimates': [92], '20': [94], 'clusters.': [96], 'HR-diagrams': [98], 'nearest': [101], 'combined': [106], 'provide': [108], 'future': [109], 'input': [110], 'sets': [112], 'observational': [114], 'isochrones.': [115], 'positions': [117], 'cluster': [120], 'HR': [121], 'diagrams': [122], 'consistent': [124, 163], 'within': [125], 'different': [126], 'groups': [127, 160], 'shown': [130], 'example': [132], 'near-perfect': [135], 'alignment': [136], 'sequences': [139], 'Hyades': [142], 'Praesepe,': [144], 'Coma': [146], 'Ber': [147], 'UMa,': [149], 'Pleiades,': [153], 'NGC': [154], '2516,': [155], 'Blanco': [157], '1.': [158], 'mutually': [162], 'when': [164], 'systematic': [165], 'differences': [166, 179], 'in': [167], '$\\Delta': [168], 'c_0$': [169], 'taken': [171], 'into': [172], 'account,': [173], 'where': [174], 'effect': [176], 'these': [178], 'on': [180], 'absolute': [182], 'magnitudes': [183], 'calibrated': [186], 'using': [187], 'field-star': [188], 'observations.': [189]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2133105389', 'counts_by_year': [{'year': 2024, 'cited_by_count': 6}, {'year': 2023, 'cited_by_count': 7}, {'year': 2022, 'cited_by_count': 9}, {'year': 2021, 'cited_by_count': 10}, {'year': 2020, 'cited_by_count': 22}, {'year': 2019, 'cited_by_count': 203}, {'year': 2018, 'cited_by_count': 33}, {'year': 2017, 'cited_by_count': 26}, {'year': 2016, 'cited_by_count': 27}, {'year': 2015, 'cited_by_count': 14}, {'year': 2014, 'cited_by_count': 27}, {'year': 2013, 'cited_by_count': 24}, {'year': 2012, 'cited_by_count': 28}], 'updated_date': '2025-01-04T02:43:21.295255', 'created_date': '2016-06-24'}