{"id":"https://openalex.org/W1966211756","doi":"https://doi.org/10.1007/bf00151437","title":"On the infrared opacity of sunspots","display_name":"On the infrared opacity of sunspots","publication_year":1979,"publication_date":"1979-12-01","ids":{"openalex":"https://openalex.org/W1966211756","doi":"https://doi.org/10.1007/bf00151437","mag":"1966211756"},"language":"en","primary_location":{"id":"doi:10.1007/bf00151437","doi":"https://doi.org/10.1007/bf00151437","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00151437","pdf_url":null,"source":{"id":"https://openalex.org/S39223014","display_name":"Solar Physics","issn_l":"0038-0938","issn":["0038-0938","1573-093X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","ki-jl-1","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Solar Physics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109468178","display_name":"G. C. Joshi","orcid":"https://orcid.org/0009-0006-9769-8602","observed_orcids":["https://orcid.org/0009-0006-9769-8602"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. C. Joshi","raw_affiliation_strings":["Uttar Pradesh State Observatory, Naini Tal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uttar Pradesh State Observatory, Naini Tal, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038481278","display_name":"L. M. Punetha","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. M. Punetha","raw_affiliation_strings":["Uttar Pradesh State Observatory, Naini Tal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uttar Pradesh State Observatory, Naini Tal, India","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014688572","display_name":"M. C. Pande","orcid":"https://orcid.org/0000-0003-4773-8443","observed_orcids":["https://orcid.org/0000-0003-4773-8443"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. C. Pande","raw_affiliation_strings":["Uttar Pradesh State Observatory, Naini Tal, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uttar Pradesh State Observatory, Naini Tal, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4190,"currency":"USD","value_usd":4190},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.08923217,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"64","issue":"2","first_page":"255","last_page":"259"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9330999851226807,"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/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9330999851226807,"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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.04919999837875366,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/sunspots","display_name":"sunspots","score":0.8370000123977661},{"id":"https://openalex.org/keywords/infrared-opacity","display_name":"infrared opacity","score":0.8059999942779541},{"id":"https://openalex.org/keywords/molecular-opacities","display_name":"molecular opacities","score":0.6940000057220459},{"id":"https://openalex.org/keywords/vibration-rotation-bands","display_name":"vibration-rotation bands","score":0.9610000252723694},{"id":"https://openalex.org/keywords/negative-hydrogen-ion","display_name":"negative hydrogen ion","score":0.8140000104904175},{"id":"https://openalex.org/keywords/solar-atmosphere","display_name":"solar atmosphere","score":0.4000000059604645}],"concepts":[{"id":"https://openalex.org/C60056205","wikidata":"https://www.wikidata.org/wiki/Q691914","display_name":"Opacity","level":2,"score":0.9803206920623779},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8255950212478638},{"id":"https://openalex.org/C65440619","wikidata":"https://www.wikidata.org/wiki/Q177974","display_name":"Atmosphere (unit)","level":2,"score":0.7380343675613403},{"id":"https://openalex.org/C197370839","wikidata":"https://www.wikidata.org/wiki/Q6582994","display_name":"Sunspot","level":3,"score":0.6825816035270691},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.624597430229187},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6015021204948425},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5995315909385681},{"id":"https://openalex.org/C2992084963","wikidata":"https://www.wikidata.org/wiki/Q525","display_name":"Solar atmosphere","level":3,"score":0.4891810715198517},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.46762901544570923},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.4517868161201477},{"id":"https://openalex.org/C101638190","wikidata":"https://www.wikidata.org/wiki/Q6311","display_name":"Stellar atmosphere","level":3,"score":0.4354698657989502},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2759271562099457},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.19924956560134888},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.1125870943069458},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.0957079529762268},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf00151437","doi":"https://doi.org/10.1007/bf00151437","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf00151437","pdf_url":null,"source":{"id":"https://openalex.org/S39223014","display_name":"Solar Physics","issn_l":"0038-0938","issn":["0038-0938","1573-093X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","ki-jl-1","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Solar Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W392545999","https://openalex.org/W1588597671","https://openalex.org/W1963753548","https://openalex.org/W1988013154","https://openalex.org/W1988330661","https://openalex.org/W2008755128","https://openalex.org/W2031831638","https://openalex.org/W2055093483","https://openalex.org/W2057866950","https://openalex.org/W2067374802","https://openalex.org/W2069969216","https://openalex.org/W3127944297","https://openalex.org/W4300552283","https://openalex.org/W4411672603","https://openalex.org/W4411700385"],"related_works":["https://openalex.org/W2073624782","https://openalex.org/W2161294355","https://openalex.org/W1988330661","https://openalex.org/W7043330629","https://openalex.org/W2990479556","https://openalex.org/W2013703017","https://openalex.org/W2011949335","https://openalex.org/W2076133198","https://openalex.org/W1997708940","https://openalex.org/W1995205357"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}