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COLA II - Radio and Spectroscopic Diagnostics of Nuclear Activity in Galaxies
E. A. Corbett, L. J. Kewley, P. N. Appleton +6
We present optical spectroscopic observations of 93 galaxies taken from the infra-red selected COLA (Compact Objects in Low Power AGN) sample. The sample spans the range of far-IR…
First Results from the COLA Project- the Radio-FIR Correlation and Compact Radio Cores in Southern COLA Galaxies
E. A. Corbett, R. P. Norris, C. A. Heisler +5
We present the first results from the COLA (Compact Objects in Low-power AGN) project which aims to determine the relationship between one facet of AGN activity, the compact radio…
Optical and radio variability of the BL Lac object AO 0235+16: a possible 5-6 year periodicity
C. M. Raiteri, M. Villata, H. D. Aller +33
New optical and radio data on the BL Lacertae object AO 0235+16 have been collected in the last four years by a wide international collaboration, which confirm the intense activity…
Theoretical Modeling of Starburst Galaxies
L. J. Kewley, M. A. Dopita, R. S. Sutherland +2
We have modeled a large sample of infrared starburst galaxies using both the PEGASE v2.0 and STARBURST99 codes to generate the spectral energy distribution of the young star cluste…
Starburst or Seyfert? Adding a radio and far-infrared perspective to the investigation of activity in composite galaxies
Tanya L. Hill, Charlene A. Heisler, Ray P. Norris +2
It was once common to regard Seyfert and starburst galaxies as completely different types of object, but there is growing recognition that these classifications refer to the extrem…
A Near Infrared Polarized Bipolar Cone in the CIRCINUS Galaxy
M. Ruiz, D. M. Alexander, S. Young +3
We present near-infrared broad-band polarization images of the nuclear regions of the Circinus galaxy in the J, H and K bands. For the first time the south-eastern reflection cone…
Starburst or Seyfert? Using near-infrared spectroscopy to measure the activity in composite galaxies
Tanya L. Hill, Charlene A. Heisler, Ralph Sutherland +1
We present near-infrared spectra for a sample of galaxies with ambiguous optical emission line ratios. These galaxies fall between starbursts and Seyferts in the usual optical diag…
Radio-Luminous Southern Seyfert Galaxies. I. Radio Images and Selected Optical/Near-Infrared Spectroscopy
M. A. Bransford, P. N. Appleton, C. A. Heisler +2
This is the first of two papers in which a study is made of a sample of 12 southern radio-luminous Seyfert galaxies. Our aim is to investigate possible correlations between radio m…