61 citations · 123 across the 14 of their papers we have counts for
10 papers · 1 filter
Recurrent Multi-year Mg II BAL Variability in SDSS J1333+0012
M. Vivek, P. Aromal, R. Srianand +3
We present a long-term spectroscopic study of Broad Absorption Line (BAL) variability in the quasar J1333+0012 (\zem = 0.9197) using an extensive multi-epoch dataset spanning nearl…
Transient LoBALs at high velocities: A Case of Extreme Broad Absorption Line Variability in J115636.82+085628.9
P. Aromal, R. Srianand, S. C. Gallagher +2
We present a multi-epoch spectroscopic study of the broad absorption line (BAL) quasar J115636.82+085628.9 (z(em) = 2.1077), based on five spectra spanning nearly two decades in th…
Time variability of ultra-fast BAL outflows using SALT: C IV absorption depth based analysis
P. Aromal, R. Srianand, P. Petitjean
We probe the small-scale absorption line variability using absorption depth based analysis of a sample of 64 ultra-fast outflow (UFO) C IV broad absorption line (BAL) quasars monit…
Time variability of ultra-fast BAL outflows using SALT: C IV equivalent width analysis
P. Aromal, R. Srianand, P. Petitjean
We study the time variability (over 7.3 yrs) of ultra-fast outflows (UFOs) detected in a sample of 64 C IV broad absorption line (BAL) quasars (with 80 distinct BAL components…
Proximate molecular quasar absorbers: Chemical enrichment and kinematics of the neutral gas
P. Noterdaeme, S. Balashev, R. Cuellar +7
Proximate molecular quasar absorbers (PH2) are an intriguing population of absorption systems recently uncovered through strong H2 absorption at small velocity separation from the…
PKS1413+135: OH and HI at z = 0.247 with MeerKAT
F. Combes, N. Gupta, S. Muller +13
The BL Lac PKS 1413+135 was observed by the Large Survey Project "MeerKAT Absorption Line Survey" (MALS) in the L-band, at 1139 MHz and 1293-1379 MHz, targeting the HI and OH lines…