Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomical_data_release
|
| gptkbp:contains |
imaging data
spectroscopic data |
| gptkbp:followedBy |
gptkb:SDSS_Data_Release_3
|
| gptkbp:includesImaging |
180 million objects
|
| gptkbp:includesSpectra |
673,280 objects
|
| gptkbp:language |
English
|
| gptkbp:latestReleaseVersion |
4
|
| gptkbp:partOf |
gptkb:Sloan_Digital_Sky_Survey
|
| gptkbp:precededBy |
gptkb:SDSS_Data_Release_5
|
| gptkbp:releaseDate |
2005-06-28
|
| gptkbp:servesArea |
6670 square degrees
|
| gptkbp:type |
gptkb:astronomical_survey_data
|
| gptkbp:usedFor |
astronomical research
|
| gptkbp:website |
https://www.sdss.org/dr4/
|
| gptkbp:bfsParent |
gptkb:SDSS-I
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
SDSS Data Release 4
|