Abstract
We present new neutral hydrogen (H i) observations of the nearby galaxy NGC 2403 to determine the nature of a low-column density cloud that was detected earlier by the Green Bank Telescope. We find that this cloud is the tip of a complex of filaments of extraplanar gas that is coincident with the main disk. The total H i mass of the complex is 2 × 107 M☉ or 0.6% of the total H i mass of the galaxy. The main structure, previously referred to as the 8-kpc filament, is now seen to be even more extended, along a 20 kpc stream.
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CITATION STYLE
Veronese, S., & de Blok, W. J. G. (2021). Extended neutral hydrogen filamentary network in NGC 2403. In Proceedings of the International Astronomical Union (Vol. 17, pp. 75–77). Cambridge University Press. https://doi.org/10.1017/S1743921322004173
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