Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
seeing scale
|
| gptkbp:createdBy |
Eugène Antoniadi
|
| gptkbp:field |
gptkb:astronomy
|
| gptkbp:hasFiveLevels |
true
|
| https://www.w3.org/2000/01/rdf-schema#label |
Antoniadi scale
|
| gptkbp:introducedIn |
early 20th century
|
| gptkbp:level1Description |
Perfect seeing, without a quiver.
|
| gptkbp:level2Description |
Slight undulations, with moments of calm lasting several seconds.
|
| gptkbp:level3Description |
Moderate seeing, with larger air tremors that blur the image.
|
| gptkbp:level4Description |
Poor seeing, constant troublesome undulations.
|
| gptkbp:level5Description |
Very bad seeing, hardly stable enough to allow a rough sketch.
|
| gptkbp:namedAfter |
Eugène Antoniadi
|
| gptkbp:usedFor |
measuring astronomical seeing
|
| gptkbp:bfsParent |
gptkb:Eugène_Michel_Antoniadi
|
| gptkbp:bfsLayer |
6
|