Northern high proper motion stars in DSS

Using the SUPERBLINK software, a powerful automated blink comparator developed by us, we have identified 601 stars in the magnitude range 9<r<20 with proper motions in the range 0.5"/yr<{mu}<2.0"/yr which have not been observed with the Hipparcos satellite.

Among those, we recovered 460 stars previously listed in Luyten's proper motion catalogs (LHS <I/87>, NLTT <I/98>) and discovered 141 new high proper motion stars, ranging in magnitude from R=13.0 to R=19.8. Only nine stars from the Luyten catalogs that were not observed by Hipparcos could not be recovered with SUPERBLINK: three had proper motions larger than the search limit of the code ({mu}>2.0"/yr), and five were missed because they were either too bright for SUPERBLINK to handle or they are in the immediate proximity of very bright stars.