130 citations · 290 across the 6 of their papers we have counts for
6 papers
J1721+8842: The first Einstein zig-zag lens
F. Dux, M. Millon, C. Lemon +16
We report the discovery of the first example of an Einstein zig-zag lens, an extremely rare lensing configuration. In this system, J1721+8842, six images of the same background qua…
PSJ2107-1611: a new wide-separation, quadruply imaged lensed quasar with flux ratio anomalies
Frédéric Dux, Cameron Lemon, Frédéric Courbin +4
We report the discovery of PSJ2107-1611, a fold-configuration 4.3"-separation quadruply lensed quasar with a bright lensed arc. It was discovered using a convolutional neural netwo…
VLT-CRIRES Survey of Rovibrational CO Emission from Protoplanetary Disks
Joanna M. Brown, Klaus M. Pontoppidan, Ewine F. van Dishoeck +3
We present a large, comprehensive survey of rovibrational CO line emission at 4.7 micron from 69 protoplanetary disks, obtained with CRIRES on the ESO Very Large Telescope at the h…
Detection of Warm and Cold Phases of the Neutral ISM in a Damped Ly-alpha Absorber
W. M. Lane, F. H. Briggs, A. Smette
We present a detailed study of the HI 21cm absorption system at z=0.0912 towards the radio quasar B0738+313. The uncommonly narrow main absorption line and weak secondary line are…
Evidence for Large Scale Structure in the Lyman alpha Forest at z>2.6
G. M. Williger, A. Smette, C. Hazard +2
We present a search for spatial and redshift correlations in a 2 A resolution spectroscopic survey of the Lyman alpha forest at 2.15 < z < 3.37 toward ten QSOs concentrated within…
HI 21cm absoprtion in two low redshift damped Ly-alpha systems
W. Lane, A. Smette, F. Briggs +3
We report the discovery of two low redshift HI 21cm absorbers, one at z = 0.2212 towards the z_{em} = 0.630 quasar OI 363 (B0738+313), and the other at z = 0.3127 towards PKS B1127…