query-0b1d83ecb0c0844b80e5e458f7a61e9c

rq turtle/ttl

Stars states: 1981 Nautical Almanac so the relevant subset can be selected quickly. The (Q108171565)navigational star Too many stars in the sky.... Create Typically, only 57 stars are used for navigational purposes in both Northern and Southern Hemispheres. Here you’ll also find Polaris and Scheat. In the Northern Hemisphere Polaris is often used for determination of latitude.

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?star ?starLabel ?epochLabel ?ra ?decl WHERE {
  ?star wdt:P31 wd:Q108171565 .

  ?star wdt:P6259 ?epoch .
  ?star wdt:P6257 ?ra .
  ?star wdt:P6258 ?decl .

  SERVICE wikibase:label {
     bd:serviceParam wikibase:language "en" .
  }
} LIMIT 100

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v4("?decl"):::projected v2("?epoch") v3("?ra"):::projected v1("?star"):::projected c7(["bd:serviceParam"]):::iri c9(["en"]):::literal c2(["wd:Q108171565"]):::iri v1 --"wdt:P31"--> c2 v1 --"wdt:P6259"--> v2 v1 --"wdt:P6257"--> v3 v1 --"wdt:P6258"--> v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end