Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
|
| gptkbp:catalogue |
over 300 quasars
|
| gptkbp:conductedBy |
gptkb:Institute_of_Astronomy,_University_of_Cambridge
|
| gptkbp:criteria |
optical color selection
|
| gptkbp:focusesOn |
quasars
|
| gptkbp:instrument |
Automatic Plate Measuring (APM) machine
|
| gptkbp:location |
gptkb:United_Kingdom
|
| gptkbp:mainPublicationAuthor |
gptkb:Paul_C._Hewett
Craig B. Foltz S. M. Chaffee |
| gptkbp:notableFinds |
quasars at redshift z > 4
|
| gptkbp:publicationYear |
1996
|
| gptkbp:purpose |
identify bright, high-redshift quasars
|
| gptkbp:relatedTo |
gptkb:APM_Galaxy_Survey
|
| gptkbp:releaseDate |
publicly available
|
| gptkbp:startYear |
1980s
|
| gptkbp:usedFor |
gptkb:UK_Schmidt_Telescope
|
| gptkbp:website |
https://www.ast.cam.ac.uk/~apmcat/
|
| gptkbp:bfsParent |
gptkb:APM_(Automated_Plate_Measuring)_survey
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
APM Quasar Survey
|