{"id":"https://openalex.org/W7223246749","doi":"https://doi.org/10.48550/arxiv.2610.29735","title":"Coronal spectroscopy - Past, Present and Future","display_name":"Coronal spectroscopy - Past, Present and Future","publication_year":2026,"publication_date":"2026-10-21","ids":{"openalex":"https://openalex.org/W7223246749","doi":"https://doi.org/10.48550/arxiv.2610.29735"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.29735","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29735","pdf_url":"https://arxiv.org/pdf/2610.29735","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2610.29735","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034678157","display_name":"Jagdev Singh","orcid":"https://orcid.org/0000-0003-0562-2979","observed_orcids":["https://orcid.org/0000-0003-0562-2979"]},"institutions":[{"id":"https://openalex.org/I140717209","display_name":"Indian Institute of Astrophysics","ror":"https://ror.org/01msc1703","country_code":"IN","type":"facility","lineage":["https://openalex.org/I140717209"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Singh, Jagdev","raw_affiliation_strings":["Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India","institution_ids":["https://openalex.org/I140717209"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159295607","display_name":"R. Ramesh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I140717209","display_name":"Indian Institute of Astrophysics","ror":"https://ror.org/01msc1703","country_code":"IN","type":"facility","lineage":["https://openalex.org/I140717209"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ramesh, R.","raw_affiliation_strings":["Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India","institution_ids":["https://openalex.org/I140717209"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073256372","display_name":"V. Muthu Priyal","orcid":"https://orcid.org/0000-0001-6093-3302","observed_orcids":["https://orcid.org/0000-0001-6093-3302"]},"institutions":[{"id":"https://openalex.org/I140717209","display_name":"Indian Institute of Astrophysics","ror":"https://ror.org/01msc1703","country_code":"IN","type":"facility","lineage":["https://openalex.org/I140717209"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Priyal, V. Muthu","raw_affiliation_strings":["Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Astrophysics , Bangalore 560 034 , Karnataka , India","institution_ids":["https://openalex.org/I140717209"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I140717209"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9994999766349792,"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":0.9994999766349792,"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":0.0003000000142492354,"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/T12836","display_name":"History and Developments in Astronomy","score":9.999999747378752e-05,"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/solar-corona","display_name":"solar corona","score":0.9779999852180481},{"id":"https://openalex.org/keywords/coronal-spectroscopy","display_name":"coronal spectroscopy","score":0.9629999995231628},{"id":"https://openalex.org/keywords/coronal-temperature","display_name":"coronal temperature","score":0.6399999856948853},{"id":"https://openalex.org/keywords/aditya-l1","display_name":"Aditya-L1","score":0.7620000243186951},{"id":"https://openalex.org/keywords/coronagraph","display_name":"coronagraph","score":0.75}],"concepts":[{"id":"https://openalex.org/C133286888","wikidata":"https://www.wikidata.org/wiki/Q835032","display_name":"Coronagraph","level":4,"score":0.805899977684021},{"id":"https://openalex.org/C2777118497","wikidata":"https://www.wikidata.org/wiki/Q3887","display_name":"Solar eclipse","level":2,"score":0.7639999985694885},{"id":"https://openalex.org/C2776779350","wikidata":"https://www.wikidata.org/wiki/Q1134503","display_name":"Corona (planetary geology)","level":3,"score":0.6507999897003174},{"id":"https://openalex.org/C96141758","wikidata":"https://www.wikidata.org/wiki/Q216817","display_name":"Emission spectrum","level":3,"score":0.6147000193595886},{"id":"https://openalex.org/C2778505590","wikidata":"https://www.wikidata.org/wiki/Q141022","display_name":"Eclipse","level":2,"score":0.5270000100135803},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5245000123977661},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.5202000141143799},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.5060999989509583},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.49480000138282776},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4797999858856201},{"id":"https://openalex.org/C183682340","wikidata":"https://www.wikidata.org/wiki/Q2043698","display_name":"Solar physics","level":2,"score":0.4341999888420105},{"id":"https://openalex.org/C118267159","wikidata":"https://www.wikidata.org/wiki/Q3899734","display_name":"Coronal radiative losses","level":5,"score":0.4196999967098236},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.3804999887943268},{"id":"https://openalex.org/C193145208","wikidata":"https://www.wikidata.org/wiki/Q221699","display_name":"Solar prominence","level":3,"score":0.37070000171661377},{"id":"https://openalex.org/C146138569","wikidata":"https://www.wikidata.org/wiki/Q556028","display_name":"Coronal loop","level":5,"score":0.35519999265670776},{"id":"https://openalex.org/C72886185","wikidata":"https://www.wikidata.org/wiki/Q129890","display_name":"Coronal mass ejection","level":4,"score":0.34869998693466187},{"id":"https://openalex.org/C108411613","wikidata":"https://www.wikidata.org/wiki/Q79833","display_name":"Solar wind","level":3,"score":0.3156000077724457},{"id":"https://openalex.org/C64162976","wikidata":"https://www.wikidata.org/wiki/Q127948","display_name":"Coronal hole","level":5,"score":0.31279999017715454},{"id":"https://openalex.org/C95448815","wikidata":"https://www.wikidata.org/wiki/Q48440","display_name":"Solar radius","level":5,"score":0.3124000132083893},{"id":"https://openalex.org/C152551177","wikidata":"https://www.wikidata.org/wiki/Q104499","display_name":"Planetary science","level":2,"score":0.3046000003814697},{"id":"https://openalex.org/C131040042","wikidata":"https://www.wikidata.org/wiki/Q202746","display_name":"Occultation","level":2,"score":0.2856999933719635},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.272599995136261},{"id":"https://openalex.org/C43867161","wikidata":"https://www.wikidata.org/wiki/Q49385","display_name":"Solar cycle","level":4,"score":0.2676999866962433},{"id":"https://openalex.org/C185001636","wikidata":"https://www.wikidata.org/wiki/Q119830","display_name":"Solar flare","level":2,"score":0.2662999927997589},{"id":"https://openalex.org/C124967146","wikidata":"https://www.wikidata.org/wiki/Q3457898","display_name":"Spectral resolution","level":3,"score":0.2612999975681305}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.29735","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29735","pdf_url":"https://arxiv.org/pdf/2610.29735","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2610.29735","doi":"https://doi.org/10.48550/arxiv.2610.29735","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.29735","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2610.29735","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.29735","pdf_url":"https://arxiv.org/pdf/2610.29735","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320722","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7223246749.pdf","grobid_xml":"https://content.openalex.org/works/W7223246749.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W7196943164"],"related_works":["https://openalex.org/W1845591954","https://openalex.org/W3111738229","https://openalex.org/W1662881501","https://openalex.org/W2762065383","https://openalex.org/W2037409217","https://openalex.org/W2501926710","https://openalex.org/W4206871207","https://openalex.org/W2977684583","https://openalex.org/W3126500273","https://openalex.org/W2903294703"],"abstract_inverted_index":{"After":[0],"the":[1,9,12,26,38,48,55,100,153,177,182,205],"beginning":[2],"of":[3,5,22,30,40,50,57,88,115,131,133,144,146,157,176,186],"photography":[4],"solar":[6,23,28,158,187],"corona":[7,101,159],"during":[8,54],"eclipses":[10],"in":[11,92,129,163,208],"year":[13],"1860,":[14],"efforts":[15],"began":[16],"to":[17,47,81,95,102,118],"carry":[18],"out":[19],"spectroscopic":[20,110,137,184,206],"observations":[21,111,138,185,190,207],"corona.":[24,154],"During":[25],"total":[27],"eclipse":[29,56],"1868":[31],"August":[32,59],"18":[33],"at":[34,105],"Guntur,":[35],"Madras":[36],"state,":[37],"observation":[39],"emission":[41,68,116,147],"line":[42,69,91,125,148],"5875\u00c5":[43],"by":[44],"Janssen":[45],"lead":[46],"discovery":[49],"Helium.":[51],"Next":[52],"year,":[53],"1869":[58],"7,":[60],"Charles":[61],"Young":[62],"and":[63,173,202],"William":[64],"Harkness":[65],"discovered":[66],"green":[67,90],"around":[70],"5310\u00c5":[71],"(later":[72],"measured":[73],"as":[74,79,167,195],"5303\u00c5).":[75],"It":[76],"was":[77,127],"interpreted":[78,128],"due":[80,94],"Coronium,":[82],"an":[83],"unknown":[84],"element.":[85],"The":[86,123,155],"identification":[87],"this":[89],"1939":[93],"[Fe":[96],"xiv]":[97],"ion":[98],"showed":[99],"be":[103,119],"hot":[104],"10^6":[106],"K.":[107],"High":[108],"resolution":[109],"indicated":[112,140],"that":[113],"width":[114,126],"lines":[117],"more":[120],"than":[121],"expected.":[122],"excess":[124],"terms":[130],"existence":[132],"non-thermal":[134],"velocity.":[135],"Recent":[136],"have":[139],"a":[141],"complex":[142],"nature":[143],"variation":[145],"parameters":[149],"with":[150,191],"height":[151],"above":[152],"spectroscopy":[156],"is":[160],"also":[161],"performed":[162],"other":[164],"wavelengths,":[165],"such":[166,194],"UV,":[168],"EUV,":[169],"X-rays,":[170],"visible,":[171],"infrared,":[172],"radio":[174],"part":[175],"spectrum.":[178],"Here,":[179],"we":[180],"discuss":[181],"past":[183],"corona,":[188],"present":[189],"various":[192],"instruments,":[193],"Visible":[196],"Emission":[197],"Line":[198],"Coronagraph":[199],"onboard":[200],"Aditya-L1,":[201],"need":[203],"for":[204],"future.":[209]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-23T00:00:00"}