TY - JOUR
T1 - Spectroscopy of the double quasars Q1343+266A, B
T2 - The relationship between galaxies and quasi-stellar object C IV absorption lines
AU - Crotts, Arlin P.S.
AU - Bechtold, Jill
AU - Fang, Yihu
AU - Duncan, Robert C.
PY - 1994/12/20
Y1 - 1994/12/20
N2 - We present spectra of QSOs Q1343+266A, B, covering Lyβ to C IV emission at 2 Å resolution, and find further evidence that this system is not gravitationally lensed. We see, however, a large number of Lyα and some C IV absorption features common to both spectra. The frequency of C IV lines in common indicates that these absorbers have a radius close to the sight line separation, 39 h-1 kpc (q0 = 0.5), implying a spatial number density of these absorbers the same as current-day L > 0.3 L* galaxies. Furthermore, the velocity mismatch for C IV systems indicates absorber masses in the range 1011 M⊙ < M < 1012 M⊙. These results confirm that typical galaxies cause QSO C IV-line absorption.
AB - We present spectra of QSOs Q1343+266A, B, covering Lyβ to C IV emission at 2 Å resolution, and find further evidence that this system is not gravitationally lensed. We see, however, a large number of Lyα and some C IV absorption features common to both spectra. The frequency of C IV lines in common indicates that these absorbers have a radius close to the sight line separation, 39 h-1 kpc (q0 = 0.5), implying a spatial number density of these absorbers the same as current-day L > 0.3 L* galaxies. Furthermore, the velocity mismatch for C IV systems indicates absorber masses in the range 1011 M⊙ < M < 1012 M⊙. These results confirm that typical galaxies cause QSO C IV-line absorption.
KW - Quasars: absorption lines
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U2 - 10.1086/187687
DO - 10.1086/187687
M3 - Article
AN - SCOPUS:12044255307
SN - 0004-637X
VL - 437
SP - L79-L82
JO - Astrophysical Journal
JF - Astrophysical Journal
IS - 2 PART 2
ER -