Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
photometric system
|
| gptkbp:alsoKnownAs |
gptkb:uvby_system
|
| gptkbp:focusArea |
b filter
narrow-band u filter v filter y filter |
| https://www.w3.org/2000/01/rdf-schema#label |
Strömgren system
|
| gptkbp:introducedIn |
1950s
|
| gptkbp:inventedBy |
gptkb:Bengt_Strömgren
|
| gptkbp:measures |
stellar temperature
interstellar reddening stellar metallicity stellar surface gravity |
| gptkbp:numberOfFilters |
4
|
| gptkbp:relatedTo |
gptkb:Johnson_photometric_system
|
| gptkbp:usedFor |
stellar classification
measuring stellar properties |
| gptkbp:usedIn |
gptkb:astronomy
|
| gptkbp:bfsParent |
gptkb:Bengt_Strömgren
|
| gptkbp:bfsLayer |
6
|