siriometre
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The siriometer is an obsolete astronomical unit of length, defined to be equal to one million astronomical units (au). One siriometer is approximately . The distance from Earth to the star Sirius is then approximately 0.54 siriometers.
In the Vinony graph
Within Vinony's link graph, siriometre is referenced by 4 other articles, and connects out to Carl Vilhelm Ludvig Charlier, astronomy and Solar System.
It is catalogued under the topic Units of length.
Its subject is documented across 8 Wikipedia language editions.
Wikidata facts
- Instance of
- unit of length
Show 3 more facts
- measured physical quantity
- length
- conversion to SI unit
- 149597870000000000
- Wikidata SPARQL query equivalent
- wd:Q256422 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
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Encyclopedic overview
2 sectionsContents
- Further reading
- References
The siriometer is an obsolete astronomical unit of length, defined to be equal to one million astronomical units (au). One siriometer is approximately . The distance from Earth to the star Sirius is then approximately 0.54 siriometers.
The unit was proposed in 1911 by Carl V. L. Charlier, who worked on stellar statistics. Charlier originally used the symbol 'sir' but the symbol 'Sm' has also seen use.
Excerpted from Wikipedia’s “siriometre” article, available under the CC BY-SA 4.0 licence.