AustralieFrV1, Main, Exploration, bibRecord, 006659

The H2O Southern Galactic Plane Survey (HOPS) - I. Techniques and H2O maser data

Identifieur interne : 006659 ( Main/Exploration ); précédent : 006658; suivant : 006660

The H2O Southern Galactic Plane Survey (HOPS) - I. Techniques and H2O maser data

Auteurs : A. J. Walsh [Australie] ; S. L. Breen [Australie] ; T. Britton [Australie] ; K. J. Brooks [Australie] ; M. G. Burton [Australie] ; M. R. Cunningham [Australie] ; J. A. Green [Australie] ; L. Harvey-Smith [Australie] ; L. Hindson [Australie, Royaume-Uni] ; M. G. Hoare [Royaume-Uni] ; B. Indermuehle [Australie] ; P. A. Jones [Australie, Chili] ; N. Lo [Chili, France] ; S. N. Longmore [États-Unis, Allemagne] ; V. Lowe [Australie] ; C. J. Phillips [Australie] ; C. R. Purcell [Royaume-Uni] ; M. A. Thompson [Royaume-Uni] ; J. S. Urquhart [Australie] ; M. A. Voronkov [Australie] ; G. L. White [Australie] ; M. T. Whiting [Australie]

Source :

Monthly Notices of the Royal Astronomical Society [ 0035-8711 ] ; 2011.

RBID : Pascal:11-0409560

Descripteurs français

Pascal (Inist)
- Plan galactique, Maser, Raie émission, Transition métastable, Ammoniac, Méthanol, Raie recombinaison radio, Galaxies, Formation stellaire, Structure galaxies.
Wicri :
- topic : Méthanol.

English descriptors

KwdEn :
- Ammonia, Emission line, Galactic planes, Galaxies, Galaxy structure, Masers, Metastable transition, Methanol, Radio recombination line, Star formation.

Abstract

We present first results of the H₂O Southern Galactic Plane Survey (HOPS), using the Mopra Radio Telescope with a broad-band backend and a beam size of about 2 arcmin. We have observed 100 deg² of the southern Galactic plane at 12 mm (19.5-27.5 GHz), including spectral line emission from H₂O masers, multiple metastable transitions of ammonia, cyanoacetylene, methanol and radio recombination lines. In this paper, we report on the characteristics of the survey and H₂O maser emission. We find 540 H₂O masers, of which 334 are new detections. The strongest maser is 3933 Jy and the weakest is 0.7 Jy, with 62 masers over 100 Jy. In 14 maser sites, the spread in the velocity of the H₂O maser emission exceeds 100 km s^-1 In one region, the H₂O maser velocities are separated by 351.3kms^-1. The rms noise levels are typically between 1 and 2Jy, with 95 per cent of the survey under 2Jy. We estimate completeness limits of 98 per cent at around 8.4 Jy and 50 per cent at around 5.5 Jy. We estimate that there are between 800 and 1500 H₂O masers in the Galaxy that are detectable in a survey with similar completeness limits to HOPS. We report possible masers in NH₃ (11,9) and (8,6) emission towards G19.61-0.23 and in the NH₃ (3,3) line towards G23.33-0.30.

Affiliations:

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The H<sub>2</sub>
O Southern Galactic Plane Survey (HOPS) - I. Techniques and H<sub>2</sub>
O maser data</title>
<author><name sortKey="Walsh, A J" sort="Walsh, A J" uniqKey="Walsh A" first="A. J." last="Walsh">A. J. Walsh</name>
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</affiliation>
</author>
<author><name sortKey="Breen, S L" sort="Breen, S L" uniqKey="Breen S" first="S. L." last="Breen">S. L. Breen</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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</affiliation>
</author>
<author><name sortKey="Britton, T" sort="Britton, T" uniqKey="Britton T" first="T." last="Britton">T. Britton</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
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<country>Australie</country>
<wicri:noRegion>Epping, NSW 1710</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Brooks, K J" sort="Brooks, K J" uniqKey="Brooks K" first="K. J." last="Brooks">K. J. Brooks</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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<wicri:noRegion>Epping, NSW 1710</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Burton, M G" sort="Burton, M G" uniqKey="Burton M" first="M. G." last="Burton">M. G. Burton</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>School of Physics, University of New South Wales</s1>
<s2>Sydney, NSW 2052</s2>
<s3>AUS</s3>
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<country>Australie</country>
<wicri:noRegion>Sydney, NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Cunningham, M R" sort="Cunningham, M R" uniqKey="Cunningham M" first="M. R." last="Cunningham">M. R. Cunningham</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>School of Physics, University of New South Wales</s1>
<s2>Sydney, NSW 2052</s2>
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</inist:fA14>
<country>Australie</country>
<wicri:noRegion>Sydney, NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Green, J A" sort="Green, J A" uniqKey="Green J" first="J. A." last="Green">J. A. Green</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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<country>Australie</country>
<wicri:noRegion>Epping, NSW 1710</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Harvey Smith, L" sort="Harvey Smith, L" uniqKey="Harvey Smith L" first="L." last="Harvey-Smith">L. Harvey-Smith</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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<author><name sortKey="Hindson, L" sort="Hindson, L" uniqKey="Hindson L" first="L." last="Hindson">L. Hindson</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
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<country>Australie</country>
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</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire</s1>
<s2>Hatfield AL10 9AB</s2>
<s3>GBR</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
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<country>Royaume-Uni</country>
<wicri:noRegion>Hatfield AL10 9AB</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Hoare, M G" sort="Hoare, M G" uniqKey="Hoare M" first="M. G." last="Hoare">M. G. Hoare</name>
<affiliation wicri:level="4"><inist:fA14 i1="05"><s1>School of Physics and Astronomy, University of Leeds</s1>
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<country>Royaume-Uni</country>
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<region type="country">Angleterre</region>
<region type="région" nuts="1">Yorkshire-et-Humber</region>
</placeName>
<orgName type="university">Université de Leeds</orgName>
</affiliation>
</author>
<author><name sortKey="Indermuehle, B" sort="Indermuehle, B" uniqKey="Indermuehle B" first="B." last="Indermuehle">B. Indermuehle</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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<author><name sortKey="Jones, P A" sort="Jones, P A" uniqKey="Jones P" first="P. A." last="Jones">P. A. Jones</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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<country>Australie</country>
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<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Departamento de Astronomin, Universidad de Chile, Casilla 36-D</s1>
<s2>Santiago</s2>
<s3>CHL</s3>
<sZ>12 aut.</sZ>
<sZ>13 aut.</sZ>
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<country>Chili</country>
<wicri:noRegion>Santiago</wicri:noRegion>
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<author><name sortKey="Lo, N" sort="Lo, N" uniqKey="Lo N" first="N." last="Lo">N. Lo</name>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Departamento de Astronomin, Universidad de Chile, Casilla 36-D</s1>
<s2>Santiago</s2>
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<country>Chili</country>
<wicri:noRegion>Santiago</wicri:noRegion>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Laboratoire AIM Paris-Saclay, CEA/Irfu - Uni. Paris Didérot - CNRS/INSU</s1>
<s2>91191 Gif-sur-Yrette</s2>
<s3>FRA</s3>
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<country>France</country>
<wicri:noRegion>91191 Gif-sur-Yrette</wicri:noRegion>
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<wicri:noRegion>91191 Gif-sur-Yrette</wicri:noRegion>
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</author>
<author><name sortKey="Longmore, S N" sort="Longmore, S N" uniqKey="Longmore S" first="S. N." last="Longmore">S. N. Longmore</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Harvard-Smithsonian Center for Astrophysics. 60 Garden Street</s1>
<s2>Cambridge, MA 02138</s2>
<s3>USA</s3>
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<country>États-Unis</country>
<wicri:noRegion>Harvard-Smithsonian Center for Astrophysics. 60 Garden Street</wicri:noRegion>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>European Southern Observatory, Karl Schwarzchildstrasse 2</s1>
<s2>Garching 85748</s2>
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<country>Allemagne</country>
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<wicri:noRegion>Garching 85748</wicri:noRegion>
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<author><name sortKey="Lowe, V" sort="Lowe, V" uniqKey="Lowe V" first="V." last="Lowe">V. Lowe</name>
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<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>School of Physics, University of New South Wales</s1>
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<author><name sortKey="Phillips, C J" sort="Phillips, C J" uniqKey="Phillips C" first="C. J." last="Phillips">C. J. Phillips</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
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</author>
<author><name sortKey="Purcell, C R" sort="Purcell, C R" uniqKey="Purcell C" first="C. R." last="Purcell">C. R. Purcell</name>
<affiliation wicri:level="4"><inist:fA14 i1="05"><s1>School of Physics and Astronomy, University of Leeds</s1>
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<region type="country">Angleterre</region>
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</placeName>
<orgName type="university">Université de Leeds</orgName>
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</author>
<author><name sortKey="Thompson, M A" sort="Thompson, M A" uniqKey="Thompson M" first="M. A." last="Thompson">M. A. Thompson</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire</s1>
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<country>Royaume-Uni</country>
<wicri:noRegion>Hatfield AL10 9AB</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Urquhart, J S" sort="Urquhart, J S" uniqKey="Urquhart J" first="J. S." last="Urquhart">J. S. Urquhart</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>CSIRO Astronomy and Space Science, PO Box 76</s1>
<s2>Epping, NSW 1710</s2>
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</author>
<author><name sortKey="Voronkov, M A" sort="Voronkov, M A" uniqKey="Voronkov M" first="M. A." last="Voronkov">M. A. Voronkov</name>
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<author><name sortKey="White, G L" sort="White, G L" uniqKey="White G" first="G. L." last="White">G. L. White</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Engineering and Physical Sciences, James Cook University</s1>
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<author><name sortKey="Whiting, M T" sort="Whiting, M T" uniqKey="Whiting M" first="M. T." last="Whiting">M. T. Whiting</name>
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<series><title level="j" type="main">Monthly Notices of the Royal Astronomical Society</title>
<title level="j" type="abbreviated">Mon. Not. R. Astron. Soc.</title>
<idno type="ISSN">0035-8711</idno>
<imprint><date when="2011">2011</date>
</imprint>
</series>
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<seriesStmt><title level="j" type="main">Monthly Notices of the Royal Astronomical Society</title>
<title level="j" type="abbreviated">Mon. Not. R. Astron. Soc.</title>
<idno type="ISSN">0035-8711</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ammonia</term>
<term>Emission line</term>
<term>Galactic planes</term>
<term>Galaxies</term>
<term>Galaxy structure</term>
<term>Masers</term>
<term>Metastable transition</term>
<term>Methanol</term>
<term>Radio recombination line</term>
<term>Star formation</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Plan galactique</term>
<term>Maser</term>
<term>Raie émission</term>
<term>Transition métastable</term>
<term>Ammoniac</term>
<term>Méthanol</term>
<term>Raie recombinaison radio</term>
<term>Galaxies</term>
<term>Formation stellaire</term>
<term>Structure galaxies</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Méthanol</term>
</keywords>
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<front><div type="abstract" xml:lang="en">We present first results of the H<sub>2</sub>
O Southern Galactic Plane Survey (HOPS), using the Mopra Radio Telescope with a broad-band backend and a beam size of about 2 arcmin. We have observed 100 deg<sup>2</sup>
 of the southern Galactic plane at 12 mm (19.5-27.5 GHz), including spectral line emission from H<sub>2</sub>
O masers, multiple metastable transitions of ammonia, cyanoacetylene, methanol and radio recombination lines. In this paper, we report on the characteristics of the survey and H<sub>2</sub>
O maser emission. We find 540 H<sub>2</sub>
O masers, of which 334 are new detections. The strongest maser is 3933 Jy and the weakest is 0.7 Jy, with 62 masers over 100 Jy. In 14 maser sites, the spread in the velocity of the H<sub>2</sub>
O maser emission exceeds 100 km s<sup>-1</sup>
 In one region, the H<sub>2</sub>
O maser velocities are separated by 351.3kms<sup>-1</sup>
. The rms noise levels are typically between 1 and 2Jy, with 95 per cent of the survey under 2Jy. We estimate completeness limits of 98 per cent at around 8.4 Jy and 50 per cent at around 5.5 Jy. We estimate that there are between 800 and 1500 H<sub>2</sub>
O masers in the Galaxy that are detectable in a survey with similar completeness limits to HOPS. We report possible masers in NH<sub>3</sub>
 (11,9) and (8,6) emission towards G19.61-0.23 and in the NH<sub>3</sub>
 (3,3) line towards G23.33-0.30.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>Chili</li>
<li>France</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Angleterre</li>
<li>Yorkshire-et-Humber</li>
</region>
<settlement><li>Leeds</li>
</settlement>
<orgName><li>Université de Leeds</li>
</orgName>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Walsh, A J" sort="Walsh, A J" uniqKey="Walsh A" first="A. J." last="Walsh">A. J. Walsh</name>
</noRegion>
<name sortKey="Breen, S L" sort="Breen, S L" uniqKey="Breen S" first="S. L." last="Breen">S. L. Breen</name>
<name sortKey="Britton, T" sort="Britton, T" uniqKey="Britton T" first="T." last="Britton">T. Britton</name>
<name sortKey="Brooks, K J" sort="Brooks, K J" uniqKey="Brooks K" first="K. J." last="Brooks">K. J. Brooks</name>
<name sortKey="Burton, M G" sort="Burton, M G" uniqKey="Burton M" first="M. G." last="Burton">M. G. Burton</name>
<name sortKey="Cunningham, M R" sort="Cunningham, M R" uniqKey="Cunningham M" first="M. R." last="Cunningham">M. R. Cunningham</name>
<name sortKey="Green, J A" sort="Green, J A" uniqKey="Green J" first="J. A." last="Green">J. A. Green</name>
<name sortKey="Harvey Smith, L" sort="Harvey Smith, L" uniqKey="Harvey Smith L" first="L." last="Harvey-Smith">L. Harvey-Smith</name>
<name sortKey="Hindson, L" sort="Hindson, L" uniqKey="Hindson L" first="L." last="Hindson">L. Hindson</name>
<name sortKey="Indermuehle, B" sort="Indermuehle, B" uniqKey="Indermuehle B" first="B." last="Indermuehle">B. Indermuehle</name>
<name sortKey="Jones, P A" sort="Jones, P A" uniqKey="Jones P" first="P. A." last="Jones">P. A. Jones</name>
<name sortKey="Lowe, V" sort="Lowe, V" uniqKey="Lowe V" first="V." last="Lowe">V. Lowe</name>
<name sortKey="Lowe, V" sort="Lowe, V" uniqKey="Lowe V" first="V." last="Lowe">V. Lowe</name>
<name sortKey="Phillips, C J" sort="Phillips, C J" uniqKey="Phillips C" first="C. J." last="Phillips">C. J. Phillips</name>
<name sortKey="Urquhart, J S" sort="Urquhart, J S" uniqKey="Urquhart J" first="J. S." last="Urquhart">J. S. Urquhart</name>
<name sortKey="Voronkov, M A" sort="Voronkov, M A" uniqKey="Voronkov M" first="M. A." last="Voronkov">M. A. Voronkov</name>
<name sortKey="White, G L" sort="White, G L" uniqKey="White G" first="G. L." last="White">G. L. White</name>
<name sortKey="Whiting, M T" sort="Whiting, M T" uniqKey="Whiting M" first="M. T." last="Whiting">M. T. Whiting</name>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Hindson, L" sort="Hindson, L" uniqKey="Hindson L" first="L." last="Hindson">L. Hindson</name>
</noRegion>
<name sortKey="Hoare, M G" sort="Hoare, M G" uniqKey="Hoare M" first="M. G." last="Hoare">M. G. Hoare</name>
<name sortKey="Purcell, C R" sort="Purcell, C R" uniqKey="Purcell C" first="C. R." last="Purcell">C. R. Purcell</name>
<name sortKey="Thompson, M A" sort="Thompson, M A" uniqKey="Thompson M" first="M. A." last="Thompson">M. A. Thompson</name>
</country>
<country name="Chili"><noRegion><name sortKey="Jones, P A" sort="Jones, P A" uniqKey="Jones P" first="P. A." last="Jones">P. A. Jones</name>
</noRegion>
<name sortKey="Lo, N" sort="Lo, N" uniqKey="Lo N" first="N." last="Lo">N. Lo</name>
</country>
<country name="France"><noRegion><name sortKey="Lo, N" sort="Lo, N" uniqKey="Lo N" first="N." last="Lo">N. Lo</name>
</noRegion>
</country>
<country name="États-Unis"><noRegion><name sortKey="Longmore, S N" sort="Longmore, S N" uniqKey="Longmore S" first="S. N." last="Longmore">S. N. Longmore</name>
</noRegion>
</country>
<country name="Allemagne"><noRegion><name sortKey="Longmore, S N" sort="Longmore, S N" uniqKey="Longmore S" first="S. N." last="Longmore">S. N. Longmore</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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The H2O Southern Galactic Plane Survey (HOPS) - I. Techniques and H2O maser data

The H2O Southern Galactic Plane Survey (HOPS) - I. Techniques and H2O maser data

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