New Stars In The Solar Neighborhood (d<15 Parsecs) From The Southern Sky Extension Of The Superblink Survey

Astronomy and Astrophysics – Astronomy

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Scientific paper

The SUPERBLINK survey is currently expanding the census of high proper motion stars. After mapping the entire Northern sky for stars down to proper motion of 40 mas/yr, the survey has turned to the South celestial hemisphere, with the same goal to provide a reliable catalog of carefully verified high proper motions stars. We have sought to identify previously unknown stars within 15 parsecs of the Sun, among stars with proper motions between 0.04 and 0.15 seconds of arc per year and in the declination range between 0 and -20 degrees. Currently, out of 187 stars, 15 new stars have been identified. Photometric distances were calculated from infrared and optical colors and magnitudes (from the 2MASS and USNO-B catalogs), and infrared color cuts were used to eliminate background giants. A list of the new Solar neighbors is presented.

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