SDSS J1553+0056: A BALQSO mimicking a Lyman-break galaxy

被引：7

作者：

Appenzeller, I ^{[1
]}

Stahl, O

Tapken, C

Mehlert, D

Noll, S

机构：

[1] Landessternwarte Konigstuhl, D-69117 Heidelberg, Germany

[2] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany

来源：

ASTRONOMY & ASTROPHYSICS | 2005年 / 435卷 / 02期

关键词：

galaxies : high-redshift; galaxies : starburst; quasars : absorption lines; quasars : general;

D O I：

10.1051/0004-6361:20042524

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the UVES echelle spectrograph at the ESO VLT we obtained high-resolution ( R = 40 000) spectra of the object SDSS J1553+0056, which has been identified in the literature alternatively as a high-redshift quasar or as a Lyman-break galaxy (LBG). Although low-resolution spectra of SDSS J1553+0056 closely resemble those of LBGs, our high-resolution spectra allow us to identify this object unambiguously as a LoBAL quasar, probably belonging to the rare FeLoBALQSO class. Based on our spectrum we discuss how misidentifications of such objects from low-resolution spectra can be avoided.

引用

页码：465 / 469

页数：5

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