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Included in this section are 15 Ap stars, 33 Am stars, 18 stars with composite spectra, three stars with shell spectra, and two SB2s.</description><source format="bibcode">2008ApJS..176..216A</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/176/216</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/III/106">III/106 : MK Classification of Visual Multiples (Abt, 1981)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/III/117">III/117 : MK Classifications of Close Visual Binaries (Corbally, 1984)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/I/260">I/260 : Visual Double Stars in Hipparcos (Dommanget+, 2000)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/59/95">J/ApJS/59/95 : Visual multiples. 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