VizieR

If the access to catalogues with VizieR was helpful for your research work,the following acknowledgment would be appreciated: This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

	I/255	32007		The HST Guide Star Catalog, Version GSC-ACT (Lasker+ 1996-99) ReadMe+ftp Similar Catalogs Post annotation
1.	I/255/out		The GSC-ACT Full Catalogue (25241730 positions) (25241730 rows) metaI/255/out
			The GSC-ACT (or GSC1.3) is a recalibration of the GSC1.1, the catalogue constructed to support the operational need of the Hubble Space Telescope, with the ACT, the combination of the Astrographic Catalogue and the *Tycho* catalogue derived from the Hipparcos mission; see http://www.projectpluto.com/gsc_act.htm for more details about this recalibration.

Adapt form	Display your selection only	Reset to default columns
	Display UCD1+ UCD1