Properties (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
meridian circle
|
| gptkbp:associatedWith |
Lacaille's catalog of stars
Lacaille's star catalog Lacaille's_observations_of_the_southern_hemisphere Lacaille's_work_on_the_southern_constellations |
| gptkbp:completed |
1751
|
| gptkbp:constructedIn |
gptkb:South_Africa
|
| gptkbp:contributedTo |
development of astrometry
|
| gptkbp:designedBy |
gptkb:Nicolas_Louis_de_Lacaille
French_astronomers |
| gptkbp:dimensions |
large size for its time
|
| gptkbp:features |
a large circular aperture
|
| gptkbp:firstMatch |
1751
|
| gptkbp:historicalContext |
Age of Enlightenment
|
| gptkbp:historicalImpact |
set standards for future instruments
|
| gptkbp:historicalRole |
key instrument in 18th-century astronomy
|
| gptkbp:historicalSignificance |
pioneering work in southern astronomy
|
| https://www.w3.org/2000/01/rdf-schema#label |
Lacaille's meridian circle
|
| gptkbp:influenced |
celestial navigation
later meridian circles the design of future observatories the development of meridian instruments. the field of star cataloging |
| gptkbp:influencedBy |
earlier meridian circles
previous astronomical instruments |
| gptkbp:inspiration |
future astronomical research
|
| gptkbp:legacy |
important historical instrument
|
| gptkbp:location |
gptkb:Cape_of_Good_Hope
|
| gptkbp:notableEvent |
cataloging southern stars
first observations in 1751 timekeeping for observations |
| gptkbp:notableFeature |
precision in measurements
advancement of observational astronomy large circular design for visibility observing transits of stars observatory_at_Cape_of_Good_Hope |
| gptkbp:notableFor |
measuring the positions of stars
|
| gptkbp:operatedBy |
Lacaille_and_his_team
|
| gptkbp:operationalStatus |
18th century
|
| gptkbp:partOf |
Lacaille's_astronomical_work
|
| gptkbp:replacedBy |
modern telescopes
|
| gptkbp:significance |
improved accuracy of celestial measurements
|
| gptkbp:type |
optical telescope
|
| gptkbp:usedBy |
gptkb:Nicolas_Louis_de_Lacaille
|
| gptkbp:usedFor |
astronomical observations
determining star positions mapping celestial coordinates |
| gptkbp:usedIn |
scientific publications
mapping the southern sky |
| gptkbp:usesTechnology |
mechanical clock for timing observations
|
| gptkbp:visitedBy |
over 10,000 stars
|