Statements (27)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:alsoKnownAs |
chemically peculiar A-type stars
|
gptkbp:discoveredBy |
gptkb:Antonia_Maury
|
gptkbp:discoveredIn |
1897
|
gptkbp:feature |
strong magnetic fields
overabundance of certain elements spectral line anomalies |
https://www.w3.org/2000/01/rdf-schema#label |
Ap stars
|
gptkbp:location |
gptkb:main_sequence
|
gptkbp:luminosity |
V
|
gptkbp:magneticFieldStrength |
hundreds to tens of thousands of gauss
|
gptkbp:notableExample |
gptkb:Alpha2_Canum_Venaticorum
gptkb:HD_215441 gptkb:HD_65339 |
gptkbp:observedBy |
spectroscopy
|
gptkbp:overabundantElements |
gptkb:strontium
silicon chromium europium |
gptkbp:rotationPeriod |
slow
|
gptkbp:spectralType |
A
|
gptkbp:studiedIn |
stellar astrophysics
|
gptkbp:subclassOf |
chemically peculiar stars
|
gptkbp:temperature |
7,500–10,000 K
|
gptkbp:variant |
gptkb:Alpha2_Canum_Venaticorum_variables
|
gptkbp:bfsParent |
gptkb:A-type_stars
|
gptkbp:bfsLayer |
7
|