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The 6-GHz methanol multibeam maser catalogue – IV. Galactic longitudes 186°–330° including the Orion–Monoceros region

Authors

  • J. A. Green,

    Corresponding author
    1. CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 2121, Australia
      E-mail: james.green@csiro.au
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  • J. L. Caswell,

    1. CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 2121, Australia
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  •  G. A. Fuller,

    1. Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL
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  • A. Avison,

    1. Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL
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  • S. L. Breen,

    1. CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 2121, Australia
    2. School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS 7001, Australia
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  • S. P. Ellingsen,

    1. School of Mathematics and Physics, University of Tasmania, Private Bag 37, Hobart, TAS 7001, Australia
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  • M. D. Gray,

    1. Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL
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  • M. Pestalozzi,

    1. INAF – Istituto Fisica Spazio Interplanetario, via del Fosso del Cavaliere 100, I-00133 Roma, Italy
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  • L. Quinn,

    1. Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL
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  • M. A. Thompson,

    1. Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, College Lane, Hatfield AL10 9AB
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  • M. A. Voronkov

    1. CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 2121, Australia
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E-mail: james.green@csiro.au

ABSTRACT

We present the fourth portion of a Galactic plane survey of methanol masers at 6668 MHz, spanning the longitude range 186°–330°. We report 207 maser detections, 89 new to the survey. This completes the southern sky part of the methanol multibeam survey and includes a large proportion of new sources, 43 per cent. We also include results from blind observations of the Orion–Monoceros star-forming region, formally outside the latitude range of the methanol multibeam survey; only the four previously known methanol emitting sites were detected, of which we present new positions and spectra for masers at Orion A (south) and Orion B, obtained with the Multi-Element Radio Linked Interferometer Network (MERLIN) array.

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