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HSC SWEEPS Source Positions Field Descriptions

This table contains positional information about the individual white light source detections of objects. The information is used to determine the astrometric parameters given in table AstromProperMotions. See the HSC API web page for information on submitting GET requests.

Last update: July 19, 2019

Column Name Units Data Type Description
ObjID none bigint identifier for the object. It corresponds to one or more matches in HSC v3.
MatchID none bigint MatchID for this source in HSC version 3.0
SourceID none bigint SourceID for this source in HSC version 3.0. More details about the source are found in table Sources.
RA degrees float RA of the source
Dec degrees float Dec of the source
Lon degrees float Galactic longitude of the source
Lat degrees float Galactic latitude of the source
dRA mas float change in right ascension (directed distance) relative to raMean in table AstromProperMotions
dDec mas float change in declination relative to decMean in table AstromProperMotions
dLon mas float change in Galactic longitude (directed distance) relative to lonMean in table AstromProperMotions
dLat mas float change in Galactic latitude relative to latMean in table AstromProperMotions
dT years float change in time relative to the mean epoch for detections of the object
epochMean MJD float mean time for the detections of the object
Column Name Units Data Type Description