{"id":"https://openalex.org/W7225196719","doi":"https://doi.org/10.1093/mnras/stag2099","title":"Dust-induced reversal of the optical wavelength dependence of spiral-arm pitch angles","display_name":"Dust-induced reversal of the optical wavelength dependence of spiral-arm pitch angles","publication_year":2026,"publication_date":"2026-11-03","ids":{"openalex":"https://openalex.org/W7225196719","doi":"https://doi.org/10.1093/mnras/stag2099"},"language":"en","primary_location":{"id":"doi:10.1093/mnras/stag2099","doi":"https://doi.org/10.1093/mnras/stag2099","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2099","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2099/72894384/stag2099.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2099/72894384/stag2099.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080982762","display_name":"Eric E. Mart\u00ednez-Garc\u00eda","orcid":"https://orcid.org/0000-0002-0571-4550","observed_orcids":["https://orcid.org/0000-0002-0571-4550"]},"institutions":[{"id":"https://openalex.org/I39824353","display_name":"National Institute of Astrophysics, Optics and Electronics","ror":"https://ror.org/00bpmmc63","country_code":"MX","type":"facility","lineage":["https://openalex.org/I39824353"]},{"id":"https://openalex.org/I4210163111","display_name":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n","ror":"https://ror.org/059ex5q34","country_code":"MX","type":"government","lineage":["https://openalex.org/I4210163111"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"Eric E Mart\u00ednez-Garc\u00eda","raw_affiliation_strings":["Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840","Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n (SECIHTI), Av. Insurgentes Sur 1582 Colonia Cr\u00e9dito Constructor , Benito Ju\u00e1rez, Ciudad de M\u00e9xico , , C.P. 03940"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840","institution_ids":["https://openalex.org/I39824353"]},{"raw_affiliation_string":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n (SECIHTI), Av. Insurgentes Sur 1582 Colonia Cr\u00e9dito Constructor , Benito Ju\u00e1rez, Ciudad de M\u00e9xico , , C.P. 03940","institution_ids":["https://openalex.org/I4210163111"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039663747","display_name":"Rosa Amelia Gonz\u00e1lez-L\u00f3pezlira","orcid":"https://orcid.org/0000-0003-1557-4931","observed_orcids":["https://orcid.org/0000-0003-1557-4931"]},"institutions":[{"id":"https://openalex.org/I8961855","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25","country_code":"MX","type":"education","lineage":["https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Rosa A Gonz\u00e1lez-L\u00f3pezlira","raw_affiliation_strings":["Instituto de Radioastronom\u00eda y Astrof\u00edsica , UNAM, Campus Morelia, Michoac\u00e1n , , C.P. 58089"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Radioastronom\u00eda y Astrof\u00edsica , UNAM, Campus Morelia, Michoac\u00e1n , , C.P. 58089","institution_ids":["https://openalex.org/I8961855"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085238473","display_name":"I. Puerari","orcid":"https://orcid.org/0000-0001-7636-7552","observed_orcids":["https://orcid.org/0000-0001-7636-7552"]},"institutions":[{"id":"https://openalex.org/I39824353","display_name":"National Institute of Astrophysics, Optics and Electronics","ror":"https://ror.org/00bpmmc63","country_code":"MX","type":"facility","lineage":["https://openalex.org/I39824353"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Iv\u00e2nio Puerari","raw_affiliation_strings":["Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840","institution_ids":["https://openalex.org/I39824353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5160492210","display_name":"A I G\u00f3mez-Ruiz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I39824353","display_name":"National Institute of Astrophysics, Optics and Electronics","ror":"https://ror.org/00bpmmc63","country_code":"MX","type":"facility","lineage":["https://openalex.org/I39824353"]},{"id":"https://openalex.org/I4210163111","display_name":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n","ror":"https://ror.org/059ex5q34","country_code":"MX","type":"government","lineage":["https://openalex.org/I4210163111"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"A I G\u00f3mez-Ruiz","raw_affiliation_strings":["Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840","Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n (SECIHTI), Av. Insurgentes Sur 1582 Colonia Cr\u00e9dito Constructor , Benito Ju\u00e1rez, Ciudad de M\u00e9xico , , C.P. 03940"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Nacional de Astrof\u00edsica, \u00d3ptica y Electr\u00f3nica , Luis E. Erro 1, Tonantzintla, Puebla , , C.P. 72840","institution_ids":["https://openalex.org/I39824353"]},{"raw_affiliation_string":"Secretar\u00eda de Ciencia, Humanidades, Tecnolog\u00eda e Innovaci\u00f3n (SECIHTI), Av. Insurgentes Sur 1582 Colonia Cr\u00e9dito Constructor , Benito Ju\u00e1rez, Ciudad de M\u00e9xico , , C.P. 03940","institution_ids":["https://openalex.org/I4210163111"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080982762"],"corresponding_institution_ids":["https://openalex.org/I39824353","https://openalex.org/I4210163111"],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":{"value":2310,"currency":"GBP","value_usd":3046},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.82001828,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9688000082969666,"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":"Galaxies: Formation, Evolution, Phenomena","score":0.9688000082969666,"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":0.015200000256299973,"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":"Astrophysics and Star Formation Studies","score":0.012400000356137753,"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/spiral-arm-pitch-angle","display_name":"spiral arm pitch angle","score":0.8669999837875366},{"id":"https://openalex.org/keywords/dust-attenuation","display_name":"dust attenuation","score":0.7919999957084656},{"id":"https://openalex.org/keywords/density-wave-theory","display_name":"density wave theory","score":0.6460000276565552},{"id":"https://openalex.org/keywords/disk-galaxies","display_name":"disk galaxies","score":0.7789999842643738},{"id":"https://openalex.org/keywords/optical-depth","display_name":"optical depth","score":0.7120000123977661},{"id":"https://openalex.org/keywords/stellar-populations","display_name":"stellar populations","score":0.6209999918937683},{"id":"https://openalex.org/keywords/spiral-arms","display_name":"spiral arms","score":0.4009999930858612}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9563000202178955},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6625999808311462},{"id":"https://openalex.org/C63585750","wikidata":"https://www.wikidata.org/wiki/Q2488","display_name":"Spiral galaxy","level":3,"score":0.6103000044822693},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5906999707221985},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.574400007724762},{"id":"https://openalex.org/C101991246","wikidata":"https://www.wikidata.org/wiki/Q5422078","display_name":"Extinction (optical mineralogy)","level":2,"score":0.47749999165534973},{"id":"https://openalex.org/C132645408","wikidata":"https://www.wikidata.org/wiki/Q5317012","display_name":"Dust lane","level":4,"score":0.4657000005245209},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.43950000405311584},{"id":"https://openalex.org/C174128100","wikidata":"https://www.wikidata.org/wiki/Q846907","display_name":"Spiral (railway)","level":2,"score":0.4228000044822693},{"id":"https://openalex.org/C27896171","wikidata":"https://www.wikidata.org/wiki/Q890809","display_name":"Optical depth","level":3,"score":0.3855000138282776},{"id":"https://openalex.org/C68709404","wikidata":"https://www.wikidata.org/wiki/Q1134475","display_name":"Flux (metallurgy)","level":2,"score":0.384799987077713},{"id":"https://openalex.org/C70477161","wikidata":"https://www.wikidata.org/wiki/Q190688","display_name":"Shock wave","level":2,"score":0.3847000002861023},{"id":"https://openalex.org/C2780695682","wikidata":"https://www.wikidata.org/wiki/Q4005959","display_name":"Jump","level":2,"score":0.3693000078201294},{"id":"https://openalex.org/C2778623024","wikidata":"https://www.wikidata.org/wiki/Q1436016","display_name":"Stellar population","level":4,"score":0.362199991941452},{"id":"https://openalex.org/C125857072","wikidata":"https://www.wikidata.org/wiki/Q16744","display_name":"Star formation","level":3,"score":0.34880000352859497},{"id":"https://openalex.org/C48393594","wikidata":"https://www.wikidata.org/wiki/Q168845","display_name":"Star cluster","level":3,"score":0.32519999146461487},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.31929999589920044},{"id":"https://openalex.org/C871022","wikidata":"https://www.wikidata.org/wiki/Q184348","display_name":"Elliptical galaxy","level":3,"score":0.3167000114917755},{"id":"https://openalex.org/C106996143","wikidata":"https://www.wikidata.org/wiki/Q1371025","display_name":"Disc galaxy","level":4,"score":0.3165000081062317},{"id":"https://openalex.org/C91528185","wikidata":"https://www.wikidata.org/wiki/Q520952","display_name":"Maxima","level":3,"score":0.3122999966144562},{"id":"https://openalex.org/C126691448","wikidata":"https://www.wikidata.org/wiki/Q2028919","display_name":"Magnitude (astronomy)","level":2,"score":0.3037000000476837},{"id":"https://openalex.org/C50425793","wikidata":"https://www.wikidata.org/wiki/Q7575187","display_name":"Spectral energy distribution","level":3,"score":0.29750001430511475},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2815999984741211},{"id":"https://openalex.org/C180537121","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Stellar physics","level":4,"score":0.2712000012397766},{"id":"https://openalex.org/C110472602","wikidata":"https://www.wikidata.org/wiki/Q6472","display_name":"Stellar evolution","level":3,"score":0.2694000005722046},{"id":"https://openalex.org/C2781300812","wikidata":"https://www.wikidata.org/wiki/Q178061","display_name":"Shock (circulatory)","level":2,"score":0.26159998774528503},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.2563999891281128},{"id":"https://openalex.org/C23254167","wikidata":"https://www.wikidata.org/wiki/Q497654","display_name":"Young stellar object","level":4,"score":0.2549999952316284},{"id":"https://openalex.org/C2777016058","wikidata":"https://www.wikidata.org/wiki/Q7574061","display_name":"Spatial distribution","level":2,"score":0.2526000142097473}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/mnras/stag2099","doi":"https://doi.org/10.1093/mnras/stag2099","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2099","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2099/72894384/stag2099.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1093/mnras/stag2099","doi":"https://doi.org/10.1093/mnras/stag2099","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag2099","pdf_url":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stag2099/72894384/stag2099.pdf","source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G8736115253","display_name":null,"funder_award_id":"IN106124","funder_id":"https://openalex.org/F4320335100","funder_display_name":"Direcci\u00f3n General de Asuntos del Personal Acad\u00e9mico, Universidad Nacional Aut\u00f3noma de M\u00e9xico"}],"funders":[{"id":"https://openalex.org/F4320321739","display_name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","ror":"https://ror.org/059ex5q34"},{"id":"https://openalex.org/F4320335100","display_name":"Direcci\u00f3n General de Asuntos del Personal Acad\u00e9mico, Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225196719.pdf","grobid_xml":"https://content.openalex.org/works/W7225196719.grobid-xml"},"referenced_works_count":76,"referenced_works":["https://openalex.org/W1842880767","https://openalex.org/W1848556828","https://openalex.org/W1964026845","https://openalex.org/W1966110362","https://openalex.org/W1966527899","https://openalex.org/W1969608748","https://openalex.org/W1979742375","https://openalex.org/W1988817327","https://openalex.org/W1992704234","https://openalex.org/W1994671833","https://openalex.org/W1995119420","https://openalex.org/W2005076319","https://openalex.org/W2008702001","https://openalex.org/W2009919999","https://openalex.org/W2018639142","https://openalex.org/W2022131471","https://openalex.org/W2022586704","https://openalex.org/W2031338317","https://openalex.org/W2036112087","https://openalex.org/W2045895958","https://openalex.org/W2045983684","https://openalex.org/W2048422156","https://openalex.org/W2056777440","https://openalex.org/W2058268248","https://openalex.org/W2061574746","https://openalex.org/W2066264104","https://openalex.org/W2072568378","https://openalex.org/W2119941104","https://openalex.org/W2156501043","https://openalex.org/W2163197622","https://openalex.org/W2209448835","https://openalex.org/W2310470354","https://openalex.org/W2489612612","https://openalex.org/W2521993139","https://openalex.org/W2726441778","https://openalex.org/W2810171656","https://openalex.org/W2874809651","https://openalex.org/W2898775218","https://openalex.org/W2899552690","https://openalex.org/W2930655670","https://openalex.org/W2949376794","https://openalex.org/W2949944960","https://openalex.org/W2953036177","https://openalex.org/W2981895676","https://openalex.org/W2994838019","https://openalex.org/W3002452029","https://openalex.org/W3111731688","https://openalex.org/W3161630148","https://openalex.org/W3205382174","https://openalex.org/W4210775915","https://openalex.org/W4212778159","https://openalex.org/W4214826348","https://openalex.org/W4307203864","https://openalex.org/W4313413211","https://openalex.org/W4328029205","https://openalex.org/W4380880368","https://openalex.org/W4388448494","https://openalex.org/W4389042054","https://openalex.org/W4391322617","https://openalex.org/W4396237868","https://openalex.org/W4396820980","https://openalex.org/W4398811293","https://openalex.org/W4399524915","https://openalex.org/W4399530578","https://openalex.org/W4402553962","https://openalex.org/W4402893132","https://openalex.org/W4406281243","https://openalex.org/W4406928150","https://openalex.org/W4408539605","https://openalex.org/W4413153750","https://openalex.org/W4413383362","https://openalex.org/W4414596798","https://openalex.org/W4416451644","https://openalex.org/W4417202456","https://openalex.org/W7116059273","https://openalex.org/W7169841861"],"related_works":["https://openalex.org/W2897972078","https://openalex.org/W4380880368","https://openalex.org/W1992704234","https://openalex.org/W2489612612","https://openalex.org/W2990216923","https://openalex.org/W1601588888","https://openalex.org/W1680297465","https://openalex.org/W2930655670","https://openalex.org/W1995119420","https://openalex.org/W2886318517"],"abstract_inverted_index":{"Abstract":[0],"The":[1,43],"classical":[2,160],"density-wave":[3,161],"scenario":[4],"predicts":[5],"a":[6,18,39,135,176],"blue-to-red":[7,177],"age\u2013colour":[8,178],"gradient":[9,179],"across":[10],"the":[11,35,56,67,101,106,110,128,140,144,150,159,168],"spiral":[12,129],"arms":[13,130],"of":[14,20,26,45,58,70,109,113,143],"disc":[15],"galaxies":[16],"as":[17],"consequence":[19],"shock-induced":[21],"star":[22],"formation.":[23],"However,":[24],"observations":[25],"spiral-arm":[27],"pitch":[28],"angles":[29],"at":[30],"different":[31,118],"wavelengths":[32],"sometimes":[33],"suggest":[34],"opposite":[36],"trend,":[37],"namely":[38],"red-to-blue":[40,95,152],"\u201ccolour":[41],"jump\u201d.":[42],"origin":[44],"this":[46,52],"apparent":[47,94,151],"contradiction":[48],"remains":[49],"unclear.":[50],"In":[51],"work,":[53],"we":[54],"investigate":[55],"effects":[57],"dust":[59,78,186],"attenuation":[60,79],"on":[61],"post-shock":[62,124,170],"stellar":[63,73,114,125,171],"emission,":[64],"together":[65],"with":[66,82,98],"streamline":[68,121],"motions":[69,122],"gas":[71],"and":[72],"populations.":[74],"We":[75,147],"find":[76],"that":[77,149,173],"in":[80,117,134],"regions":[81],"relatively":[83],"high":[84],"optical":[85],"depths,":[86],"$\\hat{\\tau":[87],"}_{V}":[88],"\\gtrsim":[89],"0.2$,":[90],"can":[91,165],"produce":[92,175],"an":[93],"spatial":[96,141],"sequence,":[97],"respect":[99],"to":[100],"shock":[102],"location,":[103],"by":[104,185],"reversing":[105],"relative":[107],"positions":[108],"flux":[111],"maxima":[112],"populations":[115,126,172],"observed":[116],"bands.":[119],"Moreover,":[120],"confine":[123],"near":[127],"for":[131],"longer":[132],"than":[133],"circular-orbit":[136],"model,":[137],"thereby":[138],"modifying":[139],"distribution":[142],"emitted":[145],"light.":[146],"conclude":[148],"colour":[153],"jump":[154],"does":[155],"not":[156],"necessarily":[157],"contradict":[158],"scenario.":[162],"Instead,":[163],"it":[164],"arise":[166],"from":[167],"same":[169],"intrinsically":[174],"if":[180],"their":[181],"emission":[182],"is":[183],"modified":[184],"attenuation.":[187]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-11-04T00:00:00"}