Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
photometer
|
| gptkbp:application |
astronomy
|
| gptkbp:competesWith |
other photometers
|
| gptkbp:designedBy |
gptkb:Robert_Trumpler
|
| gptkbp:developedBy |
1930s
|
| gptkbp:features |
two-channel system
|
| gptkbp:hasInfluenceOn |
modern photometry
|
| https://www.w3.org/2000/01/rdf-schema#label |
Trumpler photometer
|
| gptkbp:improves |
accuracy of measurements
|
| gptkbp:isCounteredBy |
magnitude of stars
|
| gptkbp:isKnownFor |
high precision
|
| gptkbp:isPartOf |
observational astronomy
|
| gptkbp:isUsedBy |
astronomers
|
| gptkbp:measures |
light intensity
|
| gptkbp:provides |
photometric data
|
| gptkbp:type |
photoelectric photometer
|
| gptkbp:usedFor |
measuring stellar brightness
|
| gptkbp:utilizes |
photoelectric cells
|