{"id":"https://openalex.org/W2015709797","doi":"https://doi.org/10.1117/12.790210","title":"Design of the Discovery Channel Telescope mount","display_name":"Design of the Discovery Channel Telescope mount","publication_year":2008,"publication_date":"2008-06-24","ids":{"openalex":"https://openalex.org/W2015709797","doi":"https://doi.org/10.1117/12.790210","mag":"2015709797"},"language":"en","primary_location":{"id":"doi:10.1117/12.790210","doi":"https://doi.org/10.1117/12.790210","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.790210","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5059335490","display_name":"David T. Finley","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1343953105","display_name":"General Dynamics (United States)","ror":"https://ror.org/05pyq8e17","country_code":"US","type":"company","lineage":["https://openalex.org/I1343953105"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David T. Finley","raw_affiliation_strings":["General Dynamics SATCOM Technologies (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Dynamics SATCOM Technologies (United States)","institution_ids":["https://openalex.org/I1343953105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076465342","display_name":"Chuck Squires","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1343953105","display_name":"General Dynamics (United States)","ror":"https://ror.org/05pyq8e17","country_code":"US","type":"company","lineage":["https://openalex.org/I1343953105"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chuck Squires","raw_affiliation_strings":["General Dynamics SATCOM Technologies (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Dynamics SATCOM Technologies (United States)","institution_ids":["https://openalex.org/I1343953105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088646769","display_name":"Brad McCreight","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1343953105","display_name":"General Dynamics (United States)","ror":"https://ror.org/05pyq8e17","country_code":"US","type":"company","lineage":["https://openalex.org/I1343953105"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brad A. McCreight","raw_affiliation_strings":["General Dynamics SATCOM Technologies (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Dynamics SATCOM Technologies (United States)","institution_ids":["https://openalex.org/I1343953105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111685359","display_name":"Byron W. Smith","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799389969","display_name":"Lowell Observatory","ror":"https://ror.org/0209dk158","country_code":"US","type":"facility","lineage":["https://openalex.org/I2799389969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Byron W. Smith","raw_affiliation_strings":["Lowell Observatory, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lowell Observatory, United States","institution_ids":["https://openalex.org/I2799389969"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028511587","display_name":"Tomas Chylek","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799389969","display_name":"Lowell Observatory","ror":"https://ror.org/0209dk158","country_code":"US","type":"facility","lineage":["https://openalex.org/I2799389969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tomas Chylek","raw_affiliation_strings":["Lowell Observatory, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lowell Observatory, United States","institution_ids":["https://openalex.org/I2799389969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064451278","display_name":"Alexander J. Venetiou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799389969","display_name":"Lowell Observatory","ror":"https://ror.org/0209dk158","country_code":"US","type":"facility","lineage":["https://openalex.org/I2799389969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexander Venetiou","raw_affiliation_strings":["Lowell Observatory, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lowell Observatory, United States","institution_ids":["https://openalex.org/I2799389969"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6688,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.52980132,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"7012","issue":null,"first_page":"70124I","last_page":"70124I"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12917","display_name":"Astronomy and Astrophysical Research","score":0.9199000000953674,"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"}},"topics":[{"id":"https://openalex.org/T12917","display_name":"Astronomy and Astrophysical Research","score":0.9199000000953674,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.07280000299215317,"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"}},{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.001500000013038516,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/telescope-drive-system","display_name":"telescope drive system","score":0.8600000143051147},{"id":"https://openalex.org/keywords/active-optics","display_name":"active optics","score":0.7300000190734863},{"id":"https://openalex.org/keywords/thermal-stability","display_name":"thermal stability","score":0.8379999995231628},{"id":"https://openalex.org/keywords/mechanical-stability","display_name":"mechanical stability","score":0.9399999976158142},{"id":"https://openalex.org/keywords/optical-alignment","display_name":"optical alignment","score":0.6830000281333923},{"id":"https://openalex.org/keywords/telescope-instrumentation","display_name":"telescope instrumentation","score":0.3100000023841858}],"concepts":[{"id":"https://openalex.org/C2780848835","wikidata":"https://www.wikidata.org/wiki/Q4213","display_name":"Telescope","level":2,"score":0.8904619216918945},{"id":"https://openalex.org/C2779919027","wikidata":"https://www.wikidata.org/wiki/Q62832","display_name":"Observatory","level":2,"score":0.6849671602249146},{"id":"https://openalex.org/C2778091609","wikidata":"https://www.wikidata.org/wiki/Q14713","display_name":"Mount","level":2,"score":0.6703699827194214},{"id":"https://openalex.org/C2780556460","wikidata":"https://www.wikidata.org/wiki/Q1395645","display_name":"Secondary mirror","level":4,"score":0.6384062767028809},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6358553171157837},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.5932450294494629},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49857664108276367},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.498183012008667},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.48933953046798706},{"id":"https://openalex.org/C143588538","wikidata":"https://www.wikidata.org/wiki/Q613628","display_name":"Primary mirror","level":3,"score":0.4856175482273102},{"id":"https://openalex.org/C184992742","wikidata":"https://www.wikidata.org/wiki/Q7243229","display_name":"Prime (order theory)","level":2,"score":0.4722537398338318},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.391896516084671},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.37346673011779785},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.356876015663147},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3303055763244629},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3140140175819397},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23988938331604004},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.2192126214504242},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17586955428123474},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.790210","doi":"https://doi.org/10.1117/12.790210","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.790210","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1989377052","https://openalex.org/W2000023029","https://openalex.org/W2052939773","https://openalex.org/W2072609555","https://openalex.org/W2036191761","https://openalex.org/W2029576129","https://openalex.org/W2067510963","https://openalex.org/W2023239661","https://openalex.org/W1972171681","https://openalex.org/W2061315364"],"abstract_inverted_index":{"The":[0],"Discovery":[1],"Channel":[2],"Telescope":[3],"is":[4],"a":[5,31,36,51],"4.2-meter":[6],"clear":[7],"aperture":[8],"telescope":[9,63],"undertaken":[10],"by":[11],"the":[12,27,59,62,72,77,80],"Lowell":[13],"Observatory":[14],"in":[15,97],"Flagstaff,":[16],"Arizona.":[17],"It":[18],"will":[19,42],"feature":[20],"an":[21,44],"interchangeable":[22,88],"secondary":[23,37,89],"assembly":[24],"to":[25,100],"allow":[26],"use":[28],"of":[29,54,61,79],"either":[30],"prime":[32],"focus":[33],"instrument":[34],"or":[35],"mirror.":[38],"In":[39],"addition,":[40],"it":[41],"have":[43],"active":[45],"optical":[46,104],"system":[47],"and":[48,65,91,94],"provisions":[49],"for":[50,76],"wide":[52],"range":[53],"instruments.":[55],"This":[56],"paper":[57],"describes":[58],"design":[60,73],"mount":[64],"drive":[66],"systems.":[67],"Particular":[68],"challenges":[69],"associated":[70],"with":[71],"include:":[74],"consideration":[75],"weight":[78],"3500":[81],"lb":[82],"Prime":[83],"Focus":[84],"Assembly":[85],"(PFA)":[86],"instrument;":[87],"assemblies;":[90],"providing":[92],"thermal":[93],"mechanical":[95],"stability":[96],"between":[98,103],"updates":[99],"maintain":[101],"alignment":[102],"elements.":[105]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}