Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3013590996', 'doi': 'https://doi.org/10.1007/978-94-010-9537-2_9', 'title': 'ROSAT Observations of Active Galactic Nuclei', 'display_name': 'ROSAT Observations of Active Galactic Nuclei', 'publication_year': 1994, 'publication_date': '1994-01-01', 'ids': {'openalex': 'https://openalex.org/W3013590996', 'doi': 'https://doi.org/10.1007/978-94-010-9537-2_9', 'mag': '3013590996'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-94-010-9537-2_9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], '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/A5006071767', 'display_name': 'W. Brinkmann', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'W. Brinkmann', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5006071767'], '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': 53}, 'biblio': {'volume': None, 'issue': None, 'first_page': '53', 'last_page': '62'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10026', 'display_name': 'Galaxy Formation and Evolution in the Universe', 'score': 0.9998, '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/T10026', 'display_name': 'Galaxy Formation and Evolution in the Universe', 'score': 0.9998, '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': 'Astronomical Instrumentation and Spectroscopy', 'score': 0.9993, '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': 0.9992, '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/rosat', 'display_name': 'ROSAT', 'score': 0.9471172}, {'id': 'https://openalex.org/keywords/astrophysical-simulations', 'display_name': 'Astrophysical Simulations', 'score': 0.575825}, {'id': 'https://openalex.org/keywords/star-formation', 'display_name': 'Star Formation', 'score': 0.556091}, {'id': 'https://openalex.org/keywords/astronomical-instrumentation', 'display_name': 'Astronomical Instrumentation', 'score': 0.545021}, {'id': 'https://openalex.org/keywords/astronomical-surveys', 'display_name': 'Astronomical Surveys', 'score': 0.544769}, {'id': 'https://openalex.org/keywords/stellar-evolution', 'display_name': 'Stellar Evolution', 'score': 0.538439}], 'concepts': [{'id': 'https://openalex.org/C75776270', 'wikidata': 'https://www.wikidata.org/wiki/Q54284', 'display_name': 'ROSAT', 'level': 3, 'score': 0.9471172}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.5594085}, {'id': 'https://openalex.org/C43481613', 'wikidata': 'https://www.wikidata.org/wiki/Q46587', 'display_name': 'Active galactic nucleus', 'level': 3, 'score': 0.44409668}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.43327695}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.35794574}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.3408142}, {'id': 'https://openalex.org/C98444146', 'wikidata': 'https://www.wikidata.org/wiki/Q318', 'display_name': 'Galaxy', 'level': 2, 'score': 0.12460786}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/978-94-010-9537-2_9', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463937', 'display_name': 'Springer eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], 'type': 'ebook platform'}, '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': 8, 'referenced_works': ['https://openalex.org/W1975250543', 'https://openalex.org/W1976613566', 'https://openalex.org/W2007714429', 'https://openalex.org/W2084591304', 'https://openalex.org/W2093201437', 'https://openalex.org/W2124219338', 'https://openalex.org/W2125022306', 'https://openalex.org/W4298093121'], 'related_works': ['https://openalex.org/W4298054888', 'https://openalex.org/W4289259114', 'https://openalex.org/W3105622352', 'https://openalex.org/W3102468595', 'https://openalex.org/W3098263962', 'https://openalex.org/W2136348442', 'https://openalex.org/W2110662794', 'https://openalex.org/W2054450735', 'https://openalex.org/W2044663555', 'https://openalex.org/W1639993898'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3013590996', 'counts_by_year': [], 'updated_date': '2024-08-21T09:44:37.008273', 'created_date': '2020-04-03'}