Observations Of The Carina Nebula (Ngc 3372) At 1410 And 2650 Mc/S

Earlier investigations have shown that there is a preponderance of negative velocities in the hydrogen gas at high latitudes, and that in certain areas very little low-velocity gas occurs. In the region 100° <l< 250°, + 40° <b< + 85°, there appears to be a disturbance, with velocities between - 30 and - 80 km/sec. This ‘streaming’ involves about 3000 (r/100)2solar masses (rin pc). In the same region there is a low surface density at low velocities (|V| < 30 km/sec). About 40% of the gas in the disturbance is in the form of separate concentrations superimposed on a relatively smooth background. The number of these concentrations as a function of velocity remains constant from - 30 to - 60 km/sec but drops rapidly at higher negative velocities. The velocity dispersion in the concentrations varies little about 6·2 km/sec. Concentrations at positive velocities are much less abundant.

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Observations Of The Carina Nebula (Ngc 3372) At 1410 And 2650 Mc/S

Abstract: The 2650 and 1410 Mc/s isophotes of an area of approximately 4 sq deg centred on the Carina nebula are presented. The aerial beamwidth of 7��4 at 2650 Mc/s enables a useful comparison to be made with Ha photographs of the region taken at Mount Stromlo. No

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References 6 publications

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