The neutral hydrogen environments of the nearby galaxies WLM, NGC 1313 and Sextans A

D. G. Barnes, W. J.G. De Blok

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Abstract

We have mapped the neutral gas content of the surroundings of three galaxies on the outskirts of the Local Group - Wolf-Lundmark-Melotte (WLM), NGC 1313 and Sextans A - at high velocity resolution and brightness sensitivity. We present high-quality H I spectra and parameters for the target galaxies, and find no unknown companion H I clouds nearer than ∼ 100 kpc to the targets, despite reaching a sensitivity of ∼10 6 M⊙ for narrow-linewidth objects.

Original languageEnglish
Pages (from-to)333-338
Number of pages6
JournalMonthly Notices of the Royal Astronomical Society
Volume351
Issue number1
DOIs
Publication statusPublished - 11 Jun 2004
Externally publishedYes

Keywords

  • Galaxies: individual: NGC 1313
  • Galaxies: individual: Sextans A
  • Galaxies: individual: WLM
  • Local Group

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