New Low-mass Stars With Small Proper Motions In The Solar Neighborhood From The Superblink Database.

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Scientific paper

We present a search for nearby faint dwarfs with small motions within the Solar neighborhood (25 parsecs from Sun). We have assembled a database of stars with proper motions between 0.04 and 0.15 seconds of arc per year identified in the Digitized Sky Surveys with SUPERBLINK. Photometric distances are estimated using the V-J color absolute magnitude relationship. We used the V-J versus J-K color-color diagram to eliminate distant giants, and the V-J versus J-K diagram to remove other background contaminates. Out of the 231 stars identified within 15 parsecs, 176 had no counterparts in the astronomical literature (SIMBAD) and are thus entirely new discoveries. These stars contribute to completing the census of stars in the solar neighborhood from which the number of stars in the galaxy
as a whole can be inferred.

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