2011
DOI: 10.1051/0004-6361/201015938
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The Westerbork Hydrogen Accretion in LOcal GAlaxieS (HALOGAS) survey

Abstract: We introduce a new, very deep neutral hydrogen (H i) survey being performed with the Westerbork Synthesis Radio Telescope (WSRT). The Westerbork Hydrogen Accretion in LOcal GAlaxieS (HALOGAS) Survey is producing an archive of some of the most sensitive H i observations available, on the angular scales which are most useful for studying faint, diffuse gas in and around nearby galaxies. The survey data are being used to perform careful modeling of the galaxies, characterizing their gas content, morphology, and k… Show more

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Cited by 199 publications
(246 citation statements)
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References 66 publications
(88 reference statements)
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“…The observations are part of the Westerbork Hydrogen Accretion in LOcal GAlaxieS (HALOGAS) survey (see Heald et al 2011) and go significantly deeper than previous H observations.…”
Section: Discussionmentioning
confidence: 82%
See 1 more Smart Citation
“…The observations are part of the Westerbork Hydrogen Accretion in LOcal GAlaxieS (HALOGAS) survey (see Heald et al 2011) and go significantly deeper than previous H observations.…”
Section: Discussionmentioning
confidence: 82%
“…This material includes hot X-ray emitting gas (e.g. Tüllmann et al 2006;Li et al 2008), ionised gas (Collins & Rand 2001;Rossa & Dettmar 2003), dust (Howk & Savage 1999;Ménard et al 2010), and neutral hydrogen (Fraternali et al 2002;Oosterloo et al 2007;Heald et al 2011). The material is found to be often (but not always, in the case of the H) closely associated with star formation in the galaxy disk.…”
Section: Introductionmentioning
confidence: 99%
“…To characterize faint diffuse gas in local galaxies, Heald et al (2011) have initiated the HALOGAS (Westerbork Hydrogen Accretion in LOcal GAlaxieS) survey. Their deep HI survey is designed to search for extraplanar gas in edge-on and inclined nearby galaxies and to determine the distribution and gas properties.…”
Section: Neutral Gas Observationsmentioning
confidence: 99%
“…Most of this gas is located within ∼ 8 kpc from the disc with a filament extending up to about 20 kpc. Although we now regard NGC 891 as a remarkable and likely extreme case of the phenomenon of extraplanar gas, several other galaxies observed with the right sensitivity also show the presence of this component (e.g., Fraternali et al 2002;Barbieri et al 2005;Heald et al 2011). In particular galaxies with SFRs of order 1 M yr −1 seem to contain substantial amounts of extraplanar gas (e.g., Boomsma et al 2008;Marasco & Fraternali 2011;Gentile et al 2013).…”
Section: Inventory Of Gas Accretion In the Local Universementioning
confidence: 75%