Intrinsic Narrow Quasar Absorption Line Properties at Z ~ 2

Details Intrinsic Narrow Quasar Absorption Line Properties at Z ~ 2 Intrinsic Narrow Quasar Absorption Line Properties at Z ~ 2

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...19310718g&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #107.18; Bulletin of the American Astronomical Society, Vol. 30, p.1413

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We have searched HIRES/Keck I spectra of six quasars for associated systems (< 5000 km s(-1) ) selected by {C iv lambda lambda 1548,1550} narrow absorption lines (NALs). We find five such systems toward four of these quasars. Three systems show evidence for partial coverage implying an intrinsic origin. Adding them to three other intrinsic NALs from the literature increases the available sample of HIRES/Keck spectra of intrinsic NALs to six. We extend the technique of Barlow & Sargent (1997, AJ, 113, 136) to separately constrain the coverage fractions of the continuum and broad emission line (BEL) sources. In at least two of the six intrinsic systems, {PG 1222+228} (this work) and {Q 2343+125} (Hamann et al. 1997, ApJ, 478, 87), the continuum source is partially covered (C_c<50%). This implies small cloud sizes (

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