Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
type of chemically peculiar star
|
| gptkbp:alsoKnownAs |
metallic-line stars
|
| gptkbp:binaryFraction |
high
|
| gptkbp:cataloguedIn |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:causeOfPeculiarity |
atomic diffusion
slow rotation |
| gptkbp:commonIn |
spectroscopic binary systems
|
| gptkbp:discoveredBy |
gptkb:Antonia_Maury
|
| gptkbp:discoveredIn |
1897
|
| gptkbp:example |
gptkb:Sirius_A
gptkb:HD_72660 gptkb:HR_553 |
| gptkbp:feature |
overabundance of heavy elements
strong metallic absorption lines underabundance of calcium and scandium weak calcium and/or scandium lines |
| https://www.w3.org/2000/01/rdf-schema#label |
Am stars
|
| gptkbp:location |
gptkb:main_sequence
|
| gptkbp:luminosity |
V
|
| gptkbp:magneticFieldStrength |
weak or absent
|
| gptkbp:quirk |
chemical stratification in atmosphere
|
| gptkbp:rotationPeriod |
slow
|
| gptkbp:spectralType |
A-type star
early F-type star |
| gptkbp:studiedIn |
stellar astrophysics
|
| gptkbp:bfsParent |
gptkb:A-type_stars
|
| gptkbp:bfsLayer |
7
|