The basic results of OPTID
for galaxy-colored infrared sources are succinctly
summarized in the first figure:
prior to OPTID
, 13,318 northern hemisphere
FSS
sources with 
were positionally associated with galaxies cataloged in the UGC, most of
these brighter than 16th magnitude. OPTID
provides optical identification
information for many more galaxy-colored FSS
sources; for example there
are 
57,000 such sources with optical counterparts having
identification probability >80% from OPTID
in a comparable area of the
southern equatorial hemisphere, and these extend to 21st magnitude.
Thus not only has OPTID
increased the galaxy
identification rate by over a factor of 4, but it has
extended the optical magnitude range by 5 magnitudes and
provided accurate and reliable identification probabilities for each of these
identifications.
For stars, OPTID
has also made a dramatic improvement in the optical
identification rate, particularly at galactic latitudes of
, as shown in the
second figure.
OPTID has also dramatically improved the overall reliability of the Faint Source Survey. Only FSS sources with reliability greater than 80% were included in the Faint Source Catalog ( FSC ), the remainder being placed in the Faint Source Catalog Reject File ( FSR ). In the OPTID database there are 29,197 FSR galaxy-colored sources with optical counterparts having identification probability >80%, the majority of these from COSCAT . Since there are 30,887 FSC galaxy-colored sources in the area of sky covered by COSCAT , these FSR sources with reliable matches almost double the total number of reliable FSS galaxies.