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Is Messier 74 a barred spiral galaxy ? Near-infrared imaging of M 74
| Content Provider | Semantic Scholar |
|---|---|
| Author | Seigar, Marc S. |
| Copyright Year | 2002 |
| Abstract | We have obtained ground-based I, J and K band images of the spiral galaxy, Messier 74 (NGC 628). This galaxy has been shown to possess a circumnuclear ring of star formation from both near-infrared spectroscopy of CO absorption and sub-millimetre imaging of CO emission. Circumnuclear rings of star formation are believed to exist only as a result of a bar potential. In this paper we show evidence for a weak oval distortion in the centre of M74. We use the results of Combes & Gerin (1985) to suggest that this weak oval potential is responsible for the circumnuclear ring of star formation observed in M74. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://arxiv.org/pdf/astro-ph/0207478v2.pdf |
| Alternate Webpage(s) | http://cds.cern.ch/record/572645/files/0207478.pdf |
| Alternate Webpage(s) | http://arxiv.org/pdf/astro-ph/0207478v1.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Distortion GUCY2C protein, human Herman ring Messier object New General Catalogue Ring device Spectroscopy, Near-Infrared |
| Content Type | Text |
| Resource Type | Article |