Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2013973073', 'doi': 'https://doi.org/10.1063/1.4796958', 'title': 'Direct imaging of extrasolar planets', 'display_name': 'Direct imaging of extrasolar planets', 'publication_year': 2003, 'publication_date': '2003-12-01', 'ids': {'openalex': 'https://openalex.org/W2013973073', 'doi': 'https://doi.org/10.1063/1.4796958', 'mag': '2013973073'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1063/1.4796958', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180907581', 'display_name': 'Physics Today', 'issn_l': '0031-9228', 'issn': ['0031-9228', '1945-0699'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320061', 'host_organization_name': 'AIP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320061', 'https://openalex.org/P4310320257'], 'host_organization_lineage_names': ['AIP Publishing', 'American Institute of Physics'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', '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/A5091163495', 'display_name': 'Phil F. Schewe', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Phil F. Schewe', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5091163495'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 2, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 67, 'max': 70}, 'biblio': {'volume': '56', 'issue': '12', 'first_page': '9', 'last_page': '9'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10039', 'display_name': 'Stellar Astrophysics and Exoplanet Studies', 'score': 0.9959, '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 Astrophysics and Exoplanet Studies', 'score': 0.9959, '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': 0.9951, '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/T10325', 'display_name': 'Formation and Evolution of the Solar System', 'score': 0.9692, '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/icon', 'display_name': 'Icon', 'score': 0.7187614}, {'id': 'https://openalex.org/keywords/extraterrestrial-organic-matter', 'display_name': 'Extraterrestrial Organic Matter', 'score': 0.489906}, {'id': 'https://openalex.org/keywords/download', 'display_name': 'Download', 'score': 0.45381564}, {'id': 'https://openalex.org/keywords/direct-imaging', 'display_name': 'Direct imaging', 'score': 0.43991464}], 'concepts': [{'id': 'https://openalex.org/C2778447006', 'wikidata': 'https://www.wikidata.org/wiki/Q1156474', 'display_name': 'Icon', 'level': 2, 'score': 0.7187614}, {'id': 'https://openalex.org/C163479331', 'wikidata': 'https://www.wikidata.org/wiki/Q44559', 'display_name': 'Exoplanet', 'level': 3, 'score': 0.7061532}, {'id': 'https://openalex.org/C2778805511', 'wikidata': 'https://www.wikidata.org/wiki/Q1713', 'display_name': 'Citation', 'level': 2, 'score': 0.6169658}, {'id': 'https://openalex.org/C23123220', 'wikidata': 'https://www.wikidata.org/wiki/Q816826', 'display_name': 'Information retrieval', 'level': 1, 'score': 0.58063304}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.55329365}, {'id': 'https://openalex.org/C2780154274', 'wikidata': 'https://www.wikidata.org/wiki/Q7126717', 'display_name': 'Download', 'level': 2, 'score': 0.45381564}, {'id': 'https://openalex.org/C2993546912', 'wikidata': 'https://www.wikidata.org/wiki/Q591022', 'display_name': 'Direct imaging', 'level': 2, 'score': 0.43991464}, {'id': 'https://openalex.org/C136764020', 'wikidata': 'https://www.wikidata.org/wiki/Q466', 'display_name': 'World Wide Web', 'level': 1, 'score': 0.41684696}, {'id': 'https://openalex.org/C97854310', 'wikidata': 'https://www.wikidata.org/wiki/Q19541', 'display_name': 'Search engine', 'level': 2, 'score': 0.41240028}, {'id': 'https://openalex.org/C51244244', 'wikidata': 'https://www.wikidata.org/wiki/Q634', 'display_name': 'Planet', 'level': 2, 'score': 0.3698966}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.26791385}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.18147165}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.07586217}, {'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://doi.org/10.1063/1.4796958', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180907581', 'display_name': 'Physics Today', 'issn_l': '0031-9228', 'issn': ['0031-9228', '1945-0699'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320061', 'host_organization_name': 'AIP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310320061', 'https://openalex.org/P4310320257'], 'host_organization_lineage_names': ['AIP Publishing', 'American Institute of Physics'], '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/W4247948290', 'https://openalex.org/W4230286584', 'https://openalex.org/W3115536303', 'https://openalex.org/W3114985562', 'https://openalex.org/W2170894228', 'https://openalex.org/W2101183696', 'https://openalex.org/W2049603785', 'https://openalex.org/W2041764442', 'https://openalex.org/W1992974633', 'https://openalex.org/W1609313883'], 'abstract_inverted_index': {'Share': [0, 2], 'Icon': [1, 11], 'Twitter': [3], 'Facebook': [4], 'Reddit': [5], 'LinkedIn': [6], 'Reprints': [7], 'and': [8], 'Permissions': [9], 'Cite': [10, 12], 'Search': [13, 49, 56, 66, 68], 'Site': [14], 'Citation': [15], 'Phil': [16], 'F.': [17], 'Schewe;': [18], 'Direct': [19], 'imaging': [20], 'of': [21], 'extrasolar': [22], 'planets.': [23], 'Physics': [24], 'Today': [25, 65], '1': [26], 'December': [27], '2003;': [28], '56': [29], '(12):': [30], '9.': [31], 'https://doi.org/10.1063/1.4796958': [32], 'Download': [33], 'citation': [34], 'file:': [35], 'Ris': [36], '(Zotero)': [37], 'Reference': [38], 'Manager': [39], 'EasyBib': [40], 'Bookends': [41], 'Mendeley': [42], 'Papers': [43], 'EndNote': [44], 'RefWorks': [45], 'BibTex': [46], 'toolbar': [47, 52], 'search': [48, 53, 54, 62], 'Dropdown': [50], 'Menu': [51], 'input': [55, 57], 'auto': [58], 'suggest': [59], 'filter': [60], 'your': [61], 'All': [63], 'ContentPhysics': [64], 'Advanced': [67]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2013973073', 'counts_by_year': [], 'updated_date': '2024-09-17T02:20:00.476345', 'created_date': '2016-06-24'}