321 citations · 6.3k across the 122 of their papers we have counts for
4 papers · 1 filter
The Connection between a Lyman Limit System, a very strong OVI Absorber, and Galaxies at z~0.203
N. Lehner, J. X. Prochaska, H. A. Kobulnicky +4
With a column density log N(OVI) = 14.95+/-0.05, the OVI absorber at z_abs~0.2028 observed toward the QSO PKS0312-77 (z_em=0.223) is the strongest yet detected at z<0.5. At nearly…
Probing feedback in protogalaxies: Multiphase gas in a DLA at z~2.4
N. Lehner, J. C. Howk, J. X. Prochaska +1
We investigate the physical processes occuring in the multiphase gas of a damped Lyαsystem (DLA). We base our analysis on a high quality Keck HIRES spectrum of the QSO J1211+0422 i…
The High Velocity Gas toward Messier 5: Tracing Feedback Flows in the Inner Galaxy
William F. Zech, Nicolas Lehner, J. Christopher Howk +2
We present Far Ultraviolet Spectroscopic Explorer (FUSE) and Space Telescope Imaging Spectrograph (STIS E140M) observations of the post-asymptotic giant branch star ZNG 1 in the gl…
Metallicity and Physical Conditions in the Magellanic Bridge
N. Lehner, J. C. Howk, F. P. Keenan +1
We present a new analysis of the diffuse gas in the Magellanic Bridge (RA>3h) based on HST/STIS E140M and FUSE spectra of 2 early-type stars lying within the Bridge and a QSO behin…