SIMBAD references

2021AJ....161...45O - Astron. J., 161, 45-45 (2021/January-0)

The third data release of the KODIAQ survey.


Abstract (from CDS):

We present and make publicly available the third data release (DR3) of the Keck Observatory Database of Ionized Absorption toward Quasars (KODIAQ) survey. KODIAQ DR3 consists of a fully reduced sample of 727 quasars at 0.1 < zem < 6.4 observed with the Echellette Sepctrograph and Imager at moderate resolution (4000 <= R <= 10,000). DR3 contains 872 spectra available in flux calibrated form, representing a sum total exposure time of ∼2.8 megaseconds. These coadded spectra arise from a total of 2753 individual exposures of quasars taken from the Keck Observatory Archive (KOA) in raw form and uniformly processed using a data reduction package made available through the XIDL distribution. DR3 is publicly available to the community, housed as a higher level science product at the KOA and in the igmspec database.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Lyman limit systems - Quasars - Damped Lyman-alpha systems - Intergalactic medium - Circumgalactic medium - Double quasars

VizieR on-line data: <Available at CDS (J/AJ/161/45): table1.dat table2.dat>

Nomenclature: Table 1: KODIAQ JHHMMSS+DDMMSS N=727.

Simbad objects: 727

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