QSOs CaII absorbers

DOI

We present a systematic study of weak intervening CaII absorbers at low redshift (z=45000) optical spectra of 304 quasars and active galactic nuclei observed with VLT/UVES. Along a total redshift path of {DELTA}z~~100 we detected 23 intervening CaII absorbers in both the CaII H & K lines, with rest frame equivalent widths W_r,3934_=15-799m{AA} and column densities logN(CaII)=11.25-13.04 (obtained by fitting Voigt-profile components).

Cone search capability for table J/A+A/528/A12/qso (QSO names and related data for the 23 intervening CaII absorbers at z=0-0.5 detected in our QSO sample)

Cone search capability for table J/A+A/528/A12/tablea2 (List of additional CaII candidate systems)

Cone search capability for table J/A+A/528/A12/tablea3 (Complete list of QSOs in our data sample with mean S/N and CaII redshift path (dz))

Identifier
DOI http://doi.org/10.26093/cds/vizier.35280012
Source https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/A+A/528/A12
Related Identifier https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/528/A12
Related Identifier http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/528/A12
Metadata Access http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/A+A/528/A12
Provenance
Creator Richter P.; Krause F.; Fechner C.; Charlton J.C.; Murphy M.T.
Publisher CDS
Publication Year 2011
Rights https://cds.unistra.fr/vizier-org/licences_vizier.html
OpenAccess true
Contact CDS support team <cds-question(at)unistra.fr>
Representation
Resource Type Dataset; AstroObjects
Discipline Astrophysics and Astronomy; Cosmology; Galactic and extragalactic Astronomy; High Energy Astrophysics; Natural Sciences; Observational Astronomy; Physics; Stellar Astronomy