API Reference / starParans · function

Function: starParans()

function starParans(
   engine, 
   jd, 
   lat, 
   stars, 
   bodies?, 
   toleranceMin?): StarParan[];

Star-to-body parans over the day from jd (UT) at latitude lat: a fixed star and a moving body simultaneously on angles within toleranceMin minutes — Brady's fixed-star parans. Ordered by (star, body, jd).

Parameters

ParameterTypeDefault valueDescription
engineEngineundefinedAn engine whose data pack includes the fixed-star catalog.
jdnumberundefinedJulian Day in UT (the 24-hour window starts here).
latnumberundefinedGeographic latitude in degrees, north positive.
starsstring[]undefinedCatalog star names to test (see Engine.starNames).
bodiesstring[]DEFAULT_PARAN_BODIESBodies to consider; defaults to the seven classical planets.
toleranceMinnumber30The paran window in minutes (default 30).

Returns

StarParan[]

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