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The molecular gas bar in NGC 253

B. Canzian, Lee G. Mundy, Nicholas Z. Scoville

Open publisher page 63 citations

Abstract

Molecular gas in the bar at the center of NGC 253 has been imaged with 5" x 9" resolution in the CO emission line. The molecular bar has an angular extent of 39" x 12" and a mass in molecular clouds of 4.8 x 10^8^ M_sun_. The gas in the molecular bar appears to be rotating as a rigid body with a very steep rotation curve, indicating a large central mass concentration. Subject headings.: galaxies: individual (NGC 253) - galaxies: internal motions - galaxies: interstellar matter

About this research paper

What this paper is about

Molecular gas in the bar at the center of NGC 253 has been imaged with 5" x 9" resolution in the CO emission line. The molecular bar has an angular extent of 39" x 12" and a mass in molecular clouds of 4.8 x 10^8^ M_sun_. The gas in the molecular bar appears to be rotating as a rigid body with a very steep rotation curve, indicating a large central mass concentration. Subject headings.: galaxies: individual (NGC 253) - galaxies: internal motions - galaxies: interstellar matter

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OpenAlex reports 63 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Molecular gas in the bar at the center of NGC 253 has been imaged with 5" x 9" resolution in the CO emission line. The molecular bar has an angular extent of 39" x 12" and a mass in molecular clouds of 4.8 x 10^8^ M_sun_. The gas in the molecular bar appears to be rotating as a rigid body with a very steep rotation curve, indicating a large central mass concentration. Subject headings.: galaxies: individual (NGC 253) - galaxies: internal motions - galaxies: interstellar matter

Key concepts: Physics, Astrophysics, Galaxy, Interstellar medium, Molecular cloud, Galaxy rotation curve, Astronomy, Bar (unit)

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