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- Centre National de la Recherche ScientifiqueFR236 papers
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7 papers · 1 filter
A Search for HI in Five Ellipticals with Fine Structure
J. E. Hibbard, A. E. Sansom
We report on VLA HI spectral line observations of five early-type galaxies classified as optically peculiar due to the presence of jets, ripples or other optical "fine structure".…
Discovery of Two New Faint Cataclysmic Variables
S. B. Howell, E. Mason, M. Huber +1
We report on the discovery of two new faint cataclysmic variables. The objects were selected as candidates from two different imaging surveys aimed at the discovery of such faint s…
The symbiotic star CH Cygni. III. A precessing radio jet
M. M. Crocker, R. J. Davis, R. E. Spencer +3
VLA, MERLIN and Hubble Space Telescope imaging observations of the extended regions of the symbiotic system CH Cygni are analysed. These extensions are evidence of a strong collima…
On the atmospheric limitations of ground-based submillimetre astronomy using array receivers
E. N. Archibald, T. Jenness, W. S. Holland +7
The calibration of ground-based submillimetre observations has always been a difficult process. We discuss how to overcome the limitations imposed by the submillimetre atmosphere.…
Towards the automated reduction and calibration of SCUBA data from the James Clerk Maxwell Telescope
Tim Jenness, Jason A. Stevens, Elese N. Archibald +3
The Submillimetre Common User Bolometer Array (SCUBA) instrument has been operating on the James Clerk Maxwell Telescope (JCMT) since 1997. The data archive is now sufficiently lar…
A comparison of stellar populations in galaxy populations across a wide range of Hubble types
R. N. Proctor, A. E. Sansom
We present line-strengths and kinematics from the central regions of 32 galaxies with Hubble types ranging from E to Sbc. Spectral indices, based on the Lick system, are measured i…