Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004scan....2...16m&link_type=abstract
SCAN-IT No. 2, p. 16-21
Astronomy and Astrophysics
Astrophysics
Surveys, Digitization
Scientific paper
The Digitized First Byurakan Survey (DFBS) is a database of ~1900 FBS plates with low-dispersion spectra of ~20,000,000 objects brighter than 17.5. It is the largest spectroscopic survey at high galactic latitudes covering 17,000 sq. deg. It is a joint project of the Byurakan Astrophysical Observatory (BAO, Armenia), Universita di Roma "La Sapienza" (Italy), and Cornell University (USA). The FBS have been carried out with the Byurakan Observatory 1m Schmidt telescope using a 1.5 deg. objective prism. The spectra allow select objects by SED, broad absorption and emission lines; classify and investigate them. At present all plates have been digitized with an EPSON Expression 1680 Pro scanner and stored on 85 DVDs. The astrometric solution process is active, spectra extraction and classification software, as well as wavelength and flux calibration is being worked out. The FBS material will be available to the astronomical community through the Internet and on DVDs. A DFBS catalog will be created with all objects in it. New research projects based on the DFBS are possible.
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