Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542922r&link_type=abstract
American Astronomical Society, AAS Meeting #215, #429.22; Bulletin of the American Astronomical Society, Vol. 42, p.353
Astronomy and Astrophysics
Astronomy
Scientific paper
The mission of the RECONS program has been to study the solar neighborhood. This focus has led to a vast and ongoing investigation of the red dwarf stars that comprise more than 70% of all nearby stars. Nevertheless, our efforts also encompass the nearby populations of white dwarfs, subdwarfs, and brown dwarfs. We add to this collection an assortment of more than 15 nearby young stars within 50 parsecs of the Sun being observed on the CTIOPI parallax program. Some of these are confirmed young stars; some are newly discovered RECONS candidate young stars that are very overluminous and (in most cases) have high x-ray flux.
Final results will include parallaxes to 5% precision and sub-milliarcsecond-precision proper motions. This high-precision astrometry will allow far more accurate determinations of their true luminosities and ages; the stars whose associations and ages are known can be used to further constrain models of young star evolution at the lower end of the main sequence. We also describe plans for follow-up spectroscopic observations to confirm the nature of the newly discovered candidates.
Henry Todd J.
Jensen Erik L.
RECONS
Riedel Adric R.
Song Inseok
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