Looking for the Sources of Damped LY alpha Absorption Lines in QSO Spectra

Details Looking for the Sources of Damped LY alpha Absorption Lines in QSO Spectra Looking for the Sources of Damped LY alpha Absorption Lines in QSO Spectra

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.1403b&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #14.03; Bulletin of the American Astronomical Society, Vol. 26, p.1331

Astronomy and Astrophysics

Astronomy

Scientific paper

We have made HST Wide Field Camera II and Faint Object Spectrograph UV observations of three QSOs with 21 centimeter absorption. High column density Ly alpha absorption has been detected in all three QSOs. One of the images clearly shows a luminous spiral galaxy within 2 arcseconds of the QSO. The QSO peak intensity is approximately three orders of magnitude more intense than the absorber candidate. Since the Wide Field Camera under-samples the image, a special technique was required to remove the dominant QSO contribution. These images and the QSO removal technique are discussed. This work, part of the GHRS and FOS GTO programs, has been supported by NASA grants NAG5-1630 and NAG5-1858.

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