SPECTROSCOPY OF THE DOUBLE QUASARS Q1343+266A, Q1343+266B - THE RELATIONSHIP BETWEEN GALAXIES AND QUASI-STELLAR OBJECT C-IV ABSORPTION-LINES

被引：17

作者：

CROTTS, APS ^{[1
]}

BECHTOLD, J ^{[1
]}

FANG, YH ^{[1
]}

DUNCAN, RC ^{[1
]}

机构：

[1] UNIV ARIZONA,STEWARD OBSERV,TUCSON,AZ 85721

来源：

ASTROPHYSICAL JOURNAL | 1994年 / 437卷 / 02期

关键词：

QUASARS; ABSORPTION LINES; INDIVIDUAL; (Q1343+266);

D O I：

10.1086/187687

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present spectra of QSOs Q1343 + 266A, B, covering Ly beta to C IV emission at 2 Angstrom resolution, and find further evidence that this system is not gravitationally lensed. We see, however, a large number of Ly alpha 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 (q(0) = 0.5), implying a spatial number density of these absorbers the same as current-day L > 0.3 L(not equal) galaxies. Furthermore, the velocity mismatch for C IV systems indicates absorber masses in the range 10(11) M(.) < M < 10(12) M These results confirm that typical galaxies cause QSO C IV-line absorption.

引用

页码：L79 / L82

页数：4

共 25 条

[1] SPECTROSCOPY OF THE DOUBLE QUASARS Q1343+266A, Q1343+266B - A NEW DETERMINATION OF THE SIZE OF LYMAN-ALPHA FOREST ABSORBERS [J].