36 citations · 167 across the 8 of their papers we have counts for
8 papers
Further Observational Evidence for a Critical Ionising Luminosity in Active Galaxies
S. J. Curran, R. W. Hunstead, H. M. Johnston +4
We report the results of a survey for HI 21-cm absorption at redshifts of z > 2.6 in a new sample of radio sources with the Green Bank and Giant Metrewave Radio Telescopes. From a…
A search for HI and OH absorption in z > 3 CO emitters
S. J. Curran, J. R. Allison, M. T. Whiting +5
We present the results of a survey for HI 21-cm and OH 18-cm absorption in seven strong CO emitters at z > 3. Despite reaching limits comparable to those required to detect 21-cm a…
A fourth HI 21-cm absorption system in the sight-line of MG J0414+0534: a record for intervening absorbers
A. Tanna, S. J. Curran, M. T. Whiting +2
We report the detection of a strong HI 21-cm absorption system at z=0.5344, as well as a candidate system at z=0.3389, in the sight-line towards the z=2.64 quasar MG J0414+0534. Th…
A survey for the missing hydrogen in high redshift radio sources
S. J. Curran, M. T. Whiting, E. M. Sadler +1
Unlike at lower redshift, where there is a 40% detection rate, surveys for 21-cm absorption arising within the hosts of z > 1 radio galaxies and quasars have been remarkably unsucc…
A third HI 21-cm absorption system in the sight-line of MG J0414+0534: A redshift for Object X?
S. J. Curran, M. T. Whiting, A. Tanna +2
We report the detection of a third HI 21-cm absorber in the sight-line towards the z=2.64 quasar MG J0414+0534 (4C +05.19). In addition to the absorption at the host redshift and i…
Redshifted HI and OH absorption in radio galaxies and quasars
S. J. Curran, M. T. Whiting, M. T. Murphy +6
From a survey for redshifted HI 21-cm and OH 18-cm absorption in the hosts of a sample of radio galaxies and quasars, we detect HI in three of the ten and OH in none of the fourtee…
New searches for HI 21-cm in damped Lyman-alpha absorption systems
S. J. Curran, P. Tzanavaris, J. K. Darling +4
We present the results of three separate searches for HI 21-cm absorption in a total of twelve damped Lyman-alpha absorption systems (DLAs) and sub-DLAs over the redshift range z =…
HI and OH absorption in the lensing galaxy of MG J0414+0534
S. J. Curran, J. Darling, A. D. Bolatto +3
We report the detection of \HI 21-cm absorption in the early-type lensing galaxy towards MG J0414+0534 with the Green Bank Telescope. The absorption, with total $N_{\rm HI…