PPM star catalogue : positions and proper motions.
Heidelberg : Spektrum ; Astronomisches Rechen-Institut, 1991-1993.
4 vols.
ISBN: 3860251317
Contenido
- Vol.1= Zones +80º to +30º
- Vol.2= Zones +20º to -0º. 181731 stars north of -2,5 degrees declination for equinox and epoch J2000.0
- Vol.3= Zones -00º to -20º
- Vol.4= Zones -30º to -80º. 197179 stars south of -2,5 degrees declination for equinox and epoch J2000.0.