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Radio Recombination Lines from Starbursts: NGC 3256, NGC 4945 and the Circinus Galaxy
A. L. Roy, W. M. Goss, Niruj R. Mohan +2
A renewed attempt to detect radio recombination lines from external galaxies has resulted in the measurement of lines from several bright starburst galaxies. The lines are produced…
The extra-planar neutral gas in the edge-on spiral galaxy NGC 891
Filippo Fraternali, Tom Oosterloo, Renzo Sancisi +1
We present neutral hydrogen observations of the nearby edge-on spiral galaxy NGC891 which show extended extra-planar emission up to distances of 15 kpc from the plane. 3D modeling…
Outflows of neutral (and ionized) gas in radio galaxies
R. Morganti, T. Oosterloo, C. Tadhunter
Outflows up to 1500 km/s of atomic neutral hydrogen are detected in a growing number of radio galaxies. Outflows with similar velocities are also detected in ionized gas, suggestin…
Extra-planar HI in the starburst galaxy NGC 253
Rense Boomsma, Tom Oosterloo, Filippo Fraternali +2
Observations of the nearby starburst galaxy NGC 253 in the 21-cm line reveal the presence of neutral hydrogen in the halo, up to 12 kpc from the galactic plane. This extra-planar H…
High velocity HI in NGC 6946 and extra-planar gas in NGC 253
Rense Boomsma, Tom Oosterloo, Filippo Fraternali +2
Multi-wavelength observations of nearby spiral galaxies have shown that neutral and ionized gas are present up to a few kpc from the disk and that star formation and supernovae pro…
Anomalous HI kinematics in Centaurus A: evidence for jet-induced star formation
T. A. Oosterloo, R. Morganti
We present new 21-cm HI observations performed with ATCA of the large HI filament located about 15 kpc NE from the centre of Centaurus A and discovered by Schiminovich et al.(1994)…
The HIPASS Catalogue - I. Data Presentation
M. J. Meyer, M. A. Zwaan, R. L. Webster +9
The HI Parkes All-Sky Survey (HIPASS) Catalogue forms the largest uniform catalogue of HI sources compiled to date, with 4,315 sources identified purely by their HI content. The ca…
The HIPASS Catalogue - II. Completeness, Reliability, and Parameter Accuracy
M. A. Zwaan, M. J. Meyer, R. L. Webster +3
The HI Parkes All Sky Survey (HIPASS) is a blind extragalactic HI 21-cm emission line survey covering the whole southern sky from declination -90 to +25. The HIPASS catalogue (HICA…
The unfriendly ISM in the radio galaxy 4C12.50 (PKS 1345+12)
R. Morganti, T. A. Oosterloo, C. N. Tadhunter +4
The radio source 4C12.50 has often been suggested to be a prime candidate for the link between ultraluminous infrared galaxies and young radio galaxies. A VLBI study of the neutral…
Kinematics of the Ionised Gas in the Spiral Galaxy NGC 2403
Filippo Fraternali, Tom Oosterloo, Renzo Sancisi
We present a study of the kinematics of the ionised gas in the nearby spiral galaxy NGC 2403 using deep long-slit spectra obtained with the 4.2-m William Herschel Telescope. The da…
Fast Outflows of Neutral Hydrogen in Radio Galaxies
T. A. Oosterloo, R. Morganti, B. H. C. Emonts +1
AGN activity is known to drive fast outflows of gas. We report the discovery of fast outflows of neutral gas with velocities over 1000 km/s in a number of radio galaxies. In the be…
The 1000 Brightest HIPASS Galaxies: HI Properties
B. S. Koribalski, L. Staveley-Smith, V. A. Kilborn +5
(abridged) We present the HIPASS Bright Galaxy Catalog (BGC) which contains the 1000 HI-brightest galaxies in the southern sky as obtained from the HI Parkes All-Sky Survey (HIPASS…