Probing Structure in Cold Gas at z1 with Gravitationally Lensed Quasar Sight Lines

VP Kulkarni, FH Cashman, S Lopez… - The Astrophysical …, 2019 - iopscience.iop.org
… Our data confirm the presence of H i and metal absorption in both sight lines at zz = 0.70
in both sight lines, and the detection of metal absorption in sight line B (but not sight line A) at z

Probing Structure in Cold Gas at with Gravitationally Lensed Quasar Sight Lines

VP Kulkarni, FH Cashman, S Lopez, SL Ellison… - arXiv preprint arXiv …, 2019 - arxiv.org
sight lines to the lensed quasar images and the difference in the impact parameters (in kpc)
of the sight lines relative to the lens galaxy center, ie, ∆[Fe/H]/∆r = ([Fe/H]B - [Fe/H]A)/(rB rA). …

Dissecting cold gas in a high-redshift galaxy using a lensed background quasar

JK Krogager, P Noterdaeme, JM O'Meara… - Astronomy & …, 2018 - aanda.org
… systems along the two lines of sight at redshifts z = 2.5861 (intrinsic to the quasar) and …
We argue that the observations are consistent with a picture in which cold gas (as probed by …

[图书][B] Gravitational lensing of quasars

A Eigenbrod - 2011 - books.google.com
probe the inner structures of gravitationally lensed quasars … all known gravitationally lensed
quasars, the distance of the … We know from large-scale structure observations that it is cold (…

Probing quasar sight lines in three dimensions

LB Christensen - 2005 - publishup.uni-potsdam.de
… the projected extension of the neutral gas disc. Using the spatial … z = 0.160 sub-DLA towards
PHL 1226, we find an offset of 1 … (2003a) find that some DLA clouds consist of cold gas (T ≈ …

Strong gravitational lensing by AGNs as a probe of the quasar–host relations in the distant Universe

M Millon, F Courbin, A Galan, D Sluse, X Ding… - Nature …, 2023 - nature.com
… The bright blue quasar and its host galaxy, also at z = 0.209, act … Throughout this paper,
we assume a flat-Λ cold dark matter … Our lens model predicts a luminosity-weighted line-of-sight

Cold neutral hydrogen gas in galaxies

R Dutta - Journal of Astrophysics and Astronomy, 2019 - Springer
cold neutral hydrogen gas associated with galaxies probed via … of distribution of cold neutral
gas around low-z galaxies in … of quasar absorption line spectroscopy is that it probes the gas

Gravitational lensing reveals cool gas within 10-20 kpc around a quiescent galaxy

TM Barone, GG Kacprzak, JW Nightingale… - Communications …, 2024 - nature.com
… -scale gravitational lenses to not only probe the gas around … quasar sightlines lack spatial
information and typically probe … early-type galaxies based on quasar sightlines at z~0.2 predict …

Significant H i and Metal Differences around the z= 0.83 Lens Galaxy toward the Doubly Lensed Quasar SBS 0909+ 532

FH Cashman, VP Kulkarni, S Lopez - The Astronomical Journal, 2021 - iopscience.iop.org
sight lines probing opposite sides of the lensing galaxy at z … The use of gravitationally lensed
quasars (GLQs) to probe … origin of the cold gas detected along the line of sight to image B is …

Clumpiness of observed and simulated cold circumgalactic gas

R Augustin, C Péroux, A Hamanowicz… - Monthly Notices of …, 2021 - academic.oup.com
lensed quasar, targeting the CGM of 2 foreground z1 … find two sightlines in a halo that
probe individual structures of … ii absorption line is solely detected against quasar images C …