Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Time standard
|
| gptkbp:basedOn |
gptkb:atomic_clocks
|
| gptkbp:compatibleWith |
Earth's rotation irregularities
|
| gptkbp:definitionOfSecond |
9,192,631,770 cycles of radiation of cesium-133 atom
|
| gptkbp:hasUnit |
second
|
| https://www.w3.org/2000/01/rdf-schema#label |
Atomic Time
|
| gptkbp:introducedIn |
1955
|
| gptkbp:maintainedBy |
gptkb:Bureau_International_des_Poids_et_Mesures
|
| gptkbp:measures |
gptkb:cesium_atomic_clock
|
| gptkbp:provides |
high precision timekeeping
|
| gptkbp:relatedTo |
gptkb:Terrestrial_Time
gptkb:Ephemeris_Time Universal Time |
| gptkbp:replacedBy |
gptkb:Ephemeris_Time
|
| gptkbp:usedFor |
scientific research
telecommunications global navigation satellite systems |
| gptkbp:usedIn |
gptkb:International_Atomic_Time
Coordinated Universal Time |
| gptkbp:bfsParent |
gptkb:Ephemeris_Time
|
| gptkbp:bfsLayer |
7
|