Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.1502c&link_type=abstract
American Astronomical Society, 195th AAS Meeting, #15.02; Bulletin of the American Astronomical Society, Vol. 31, p.1395
Astronomy and Astrophysics
Astronomy
Scientific paper
The QUEST (Quasar Equatorial Survey Team) collaboration, a joint venture between Yale University, Indiana University, and CIDA in Venezuela, has instrumented the focal plane of the 1m CIDA Schmidt telescope with an 8k x 8k CCD mosaic camera. The camera operates in driftscan mode, covering a 300 sq.deg. (2.4ox120o) swath of sky in one night. Using filters, we obtain up to 4 colors per object simultaneously, and using the telescope's 3.2o objective prism, we obtain slitless (10-30 Angstroms resolution) spectra for all objects. With the current version of the instrument, the equatorial sky between δ =+/- 6o is accessible ( 2000 sq.deg. in a typical season). The camera is well-suited for large-area objective prism and variability studies. We present an overview of the camera and data system, and highlight some of our first science results. These include: the detection of the optical afterglow from a gamma-ray burst with a 2 degree radius error box only 3 hours after the event; the detection of new, faint (mb 18-19) RR Lyrae stars; a multi-band, multi-epoch survey of the entire Orion OB1 association ( 120 sq.deg.) to V≈< 20, in order to obtain a comprehensive census of the low mass young stellar population (down to 0.2\> Msun); and a 700 sq. deg Hα emission line catalog containing 700 objects with redshifts 0
Coppi Paolo
Quest Collaboration
Snyder Jessica
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