Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:standard
|
| gptkbp:calculationMethod |
mean tropical year at epoch B1900.0
|
| gptkbp:definedIn |
interval between two successive passages of the Sun through the mean longitude 280°
|
| gptkbp:duration |
approximately 365.242198781 days
|
| gptkbp:epochExample |
gptkb:B1900.0
B1950.0 |
| gptkbp:firstDefined |
19th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Besselian year
|
| gptkbp:namedAfter |
gptkb:Friedrich_Bessel
|
| gptkbp:notation |
B followed by the year number (e.g., B1950.0)
|
| gptkbp:relatedTo |
gptkb:Julian_year
|
| gptkbp:replacedBy |
gptkb:Julian_year
|
| gptkbp:usedFor |
specifying epochs in star catalogs
|
| gptkbp:usedIn |
gptkb:astronomy
|
| gptkbp:bfsParent |
gptkb:Friedrich_Bessel
|
| gptkbp:bfsLayer |
5
|