Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:alignment |
celestial meridian
|
| gptkbp:component |
gptkb:castle
astronomer micrometer graduated circle |
| gptkbp:enables |
creation of star catalogs
determination of longitude measurement of time |
| gptkbp:historicalName |
observatories
|
| https://www.w3.org/2000/01/rdf-schema#label |
Meridian Circle
|
| gptkbp:improves |
automatic recording devices
|
| gptkbp:introducedIn |
17th century
|
| gptkbp:notableExample |
Greenwich Observatory meridian circle
Paris Observatory meridian circle Pulkovo Observatory meridian circle |
| gptkbp:operatedBy |
astronomer
|
| gptkbp:replacedBy |
CCD meridian circle
space-based astrometry |
| gptkbp:usedFor |
measuring star positions
determining declination determining right ascension |
| gptkbp:bfsParent |
gptkb:Hamburg_Observatory
gptkb:Argentine_National_Observatory gptkb:Osservatorio_Astronomico_di_Bologna |
| gptkbp:bfsLayer |
7
|