IUE quasar atlas

Details IUE quasar atlas IUE quasar atlas

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.281b.277k&link_type=abstract

In ESA, Proceedings of the Celebratory Symposium on a Decade of UV Astronomy with the IUE Satellite, Volume 2 p 277-280 (SEE N89

Astronomy and Astrophysics

Astronomy

Astronomical Catalogs, Iue, Quasars, Spaceborne Astronomy, Ultraviolet Astronomy, Ultraviolet Spectra, Absorption Spectra, Accretion Disks, Continuums, Data Reduction, Lyman Spectra, Red Shift, Signal To Noise Ratios

Scientific paper

An optimal extraction routine for reducing low dispersion IUE data is discussed. The optimal extraction derives the cross-dispersion profile and weights the data according to its position on the profile so that the signal-to-noise ratio is optimized and the total flux is preserved. The aim is to produce an Atlas of quasars obtained by co-adding all suitable IUE spectra for each object. The resulting spectra will facilitate study of emission and absorption line characteristics. Results are presented for seven quasars with redshifts such that the Lyman continuum region is shifted into the short wavelength camera, and for three quasars directionally close to nearby galaxies.

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