Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3046953153', 'doi': None, 'title': 'Period Variations of RR Lyrae Type Variable Stars in the Globular Cluster M 22', 'display_name': 'Period Variations of RR Lyrae Type Variable Stars in the Globular Cluster M 22', 'publication_year': 1983, 'publication_date': '1983-01-01', 'ids': {'openalex': 'https://openalex.org/W3046953153', 'mag': '3046953153'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://ui.adsabs.harvard.edu/abs/1983PZ.....22...65M/abstract', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306522282', 'display_name': 'Peremennye Zvezdy', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5030209105', 'display_name': 'E. K. Marincchev', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'E. K. Marincchev', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5030209105'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 54}, 'biblio': {'volume': '22', 'issue': None, 'first_page': '65', 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12917', 'display_name': 'Astronomical Instrumentation and Spectroscopy', 'score': 0.9897, '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'}}, 'topics': [{'id': 'https://openalex.org/T12917', 'display_name': 'Astronomical Instrumentation and Spectroscopy', 'score': 0.9897, '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/T10039', 'display_name': 'Stellar Astrophysics and Exoplanet Studies', 'score': 0.9867, '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/T10477', 'display_name': 'Star Formation in Molecular Clouds and Protoplanetary Disks', 'score': 0.9372, '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/rr-lyrae-variable', 'display_name': 'RR Lyrae variable', 'score': 0.87559795}, {'id': 'https://openalex.org/keywords/variable-star', 'display_name': 'Variable star', 'score': 0.76143956}, {'id': 'https://openalex.org/keywords/young-stellar-objects', 'display_name': 'Young Stellar Objects', 'score': 0.57867}, {'id': 'https://openalex.org/keywords/stellar-astrophysics', 'display_name': 'Stellar Astrophysics', 'score': 0.534099}, {'id': 'https://openalex.org/keywords/stellar-evolution', 'display_name': 'Stellar Evolution', 'score': 0.516753}, {'id': 'https://openalex.org/keywords/planetary-systems', 'display_name': 'Planetary Systems', 'score': 0.501165}, {'id': 'https://openalex.org/keywords/blue-straggler', 'display_name': 'Blue straggler', 'score': 0.46926445}], 'concepts': [{'id': 'https://openalex.org/C113461152', 'wikidata': 'https://www.wikidata.org/wiki/Q11276', 'display_name': 'Globular cluster', 'level': 3, 'score': 0.9196926}, {'id': 'https://openalex.org/C172338258', 'wikidata': 'https://www.wikidata.org/wiki/Q726242', 'display_name': 'RR Lyrae variable', 'level': 4, 'score': 0.87559795}, {'id': 'https://openalex.org/C17352008', 'wikidata': 'https://www.wikidata.org/wiki/Q6243', 'display_name': 'Variable star', 'level': 3, 'score': 0.76143956}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.4753028}, {'id': 'https://openalex.org/C168020605', 'wikidata': 'https://www.wikidata.org/wiki/Q5848', 'display_name': 'Blue straggler', 'level': 4, 'score': 0.46926445}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.45201784}, {'id': 'https://openalex.org/C2781291010', 'wikidata': 'https://www.wikidata.org/wiki/Q178580', 'display_name': 'Period (music)', 'level': 2, 'score': 0.43320575}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.4250754}, {'id': 'https://openalex.org/C164866538', 'wikidata': 'https://www.wikidata.org/wiki/Q367351', 'display_name': 'Cluster (spacecraft)', 'level': 2, 'score': 0.42463356}, {'id': 'https://openalex.org/C150846664', 'wikidata': 'https://www.wikidata.org/wiki/Q7602306', 'display_name': 'Stars', 'level': 2, 'score': 0.3737486}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.092049}, {'id': 'https://openalex.org/C24890656', 'wikidata': 'https://www.wikidata.org/wiki/Q82811', 'display_name': 'Acoustics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://ui.adsabs.harvard.edu/abs/1983PZ.....22...65M/abstract', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306522282', 'display_name': 'Peremennye Zvezdy', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3181402891', 'https://openalex.org/W3129373823', 'https://openalex.org/W3117050293', 'https://openalex.org/W3115299864', 'https://openalex.org/W3094542185', 'https://openalex.org/W3090373046', 'https://openalex.org/W3080149590', 'https://openalex.org/W3040856015', 'https://openalex.org/W3036792858', 'https://openalex.org/W3036652530', 'https://openalex.org/W3024623893', 'https://openalex.org/W3016729230', 'https://openalex.org/W3015349944', 'https://openalex.org/W3010490942', 'https://openalex.org/W3003987214', 'https://openalex.org/W2999043173', 'https://openalex.org/W2996477633', 'https://openalex.org/W2101295551', 'https://openalex.org/W2045218824', 'https://openalex.org/W2026280496'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3046953153', 'counts_by_year': [], 'updated_date': '2024-09-19T19:31:41.471536', 'created_date': '2020-08-10'}