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1999MNRAS.310.1033C - Mon. Not. R. Astron. Soc., 310, 1033-1038 (1999/December-3)
Neutral gas and dust in the central region of the ultraluminous infrared galaxy Mrk273.
COLE G.H.J., PEDLAR A., HOLLOWAY A.J. and MUNDELL C.G.
Abstract (from CDS):
Broad, strong and spatially varying absorption is seen against the northern radio component with a velocity gradient of 1990±50kms–1kpc–1. The absorption resolves into six discrete components with an average column density of 1.7x1022atomcm–2. We propose that the absorption is due to a clumpy ring or disc of neutral gas of radius ∼250pc rotating around a central starburst. In addition to the broad component, narrow absorption (<100kms–1) is detected against the northern and south-eastern components. Absorption is not detected against the weak (2mJy) south-western component. We propose that the narrow absorption is due to quiescent gas in a large-scale dust lane that coincides with these regions of narrow absorption.
Abstract Copyright: 1999, Royal Astronomical Society
Journal keyword(s): dust, extinction - galaxies: individual: Mrk273 - galaxies: Seyfert - galaxies: starburst - infrared: galaxies - radio continuum: ISM
Nomenclature: Fig.1, Table 1: [CPH99] A (Nos A-C).
CDS comments: Table 1: absorption components 'Aa'and 'BN' not in SIMBAD.
Simbad objects: 9
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