System Catalogues

The catalogues currently available at the INT and JKT are:

• PTGRID: a grid of astrometric stars for pointing calibration.

• SPECPHOT: a catalogue of spectrophotometric standards with accurately known positions and proper motions.

• UBVRIxxx: a set of catalogues of photometric standards for imaging, based on the Landolt equatorial standards.

• BRIGHT: The twenty brightest FK5 stars, useful for daytime pointing and tracking tests, or checking gross pointing difficulties.

• LAND06: Landolt (1992) photometric standards between 0 and 6 hours RA.
• LAND612: Landolt (1992) photometric standards between 6 and 12 hours RA.
• LAND1218: Landolt (1992) photometric standards between 12 and 18 hours RA.
• LAND1824: Landolt (1992) photometric standards between 18 and 24 hours RA.