Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.8003g&link_type=abstract
American Astronomical Society, 195th AAS Meeting, #80.03; Bulletin of the American Astronomical Society, Vol. 31, p.1492
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Using the Wide Field Camera on the 2.5m Isaac Newton Telescope on the island of La Palma, we are conducting a survey, covering a total of 50 sq. deg., specifically designed to search for photometrically and astrometrically variables stars. We can identify variability time-scales between tens of minutes and one year and we obtain color information (B,V,I) for all fields. The design and sensitivity of the WFC allows us to obtain light-curves at unprecedented limits and precisions ranging from 5 mmag errors at V=17 to 0.1 mag at V=24.5. Main targets of the survey include interacting close binary systems (CV, LMXBs, SXTs, AM CVn systems), RR Lyrae stars in the galactic halo, optical counterparts to Gamma-Ray Bursts, Kuiper Belt Objects and high proper motion stars in the Solar Neighborhood. We also have identified numerous very red sources likely to be very low-mass stars and brown dwarfs. We will present the results of our first year of observations which cover a total of 9 square degrees.
Everett Mark
Groot Paul
Howell Steve
Huber Marcus
Paradijs Jan van
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