Alpha2 Canum Venaticorum variables

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:variable_star_type
gptkbp:alsoKnownAs	α2 CVn variables
gptkbp:cataloguedIn	gptkb:General_Catalogue_of_Variable_Stars
gptkbp:discoveredBy	gptkb:Friedrich_Wilhelm_Argelander
gptkbp:example	gptkb:Alpha2_Canum_Venaticorum gptkb:HD_125248 gptkb:HD_65339 gptkb:HD_137909
gptkbp:foundIn	gptkb:Milky_Way
gptkbp:hasLighting	0.01 to 0.1 magnitudes
gptkbp:lightCurveShape	sinusoidal
gptkbp:magneticFieldStrength	hundreds to thousands of gauss strong, stable, global field
gptkbp:namedAfter	gptkb:Alpha2_Canum_Venaticorum
gptkbp:observedBy	space telescopes ground-based telescopes
gptkbp:rotationPeriodEqualsVariabilityPeriod	true
gptkbp:spectralType	B8p to A7p
gptkbp:starClass	chemically peculiar stars
gptkbp:typicalElementAbundance	gptkb:strontium rare earth elements silicon chromium
gptkbp:variabilityCause	magnetic field and chemical abundance patches
gptkbp:variabilityPeriod	0.5 to 160 days
gptkbp:bfsParent	gptkb:Ap_stars
gptkbp:bfsLayer	8
https://www.w3.org/2000/01/rdf-schema#label	Alpha2 Canum Venaticorum variables