The Mopra Southern Galactic Plane CO Survey : data release 3

Catherine Braiding, G. F. Wong, N. I. Maxted, D. Romano, M. G. Burton, R. Blackwell, M. D. Filipović, M. S. R. Freeman, B. Indermuehle, J. Lau, D. Rebolledo, G. Rowell, C. Snoswell, N. F. H. Tothill, F. Voisin, P. de Wilt

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35 Citations (Scopus)

Abstract

We present observations of 50 deg 2 of the Mopra carbon monoxide (CO) survey of the Southern Galactic Plane, covering Galactic longitudes l = 300-350° and latitudes |b| ≼ 0.5°. These data have been taken at 0.6 arcmin spatial resolution and 0.1 km s −1spectral resolution, providing an unprecedented view of the molecular clouds and gas of the Southern Galactic Plane in the 109-115 GHz J = 1-0 transitions of 12CO, 13CO, C 18O, and C 17O. We present a series of velocity-integrated maps, spectra, and position-velocity plots that illustrate Galactic arm structures and trace masses on the order of ∼10 6 M☉ deg −2, and include a preliminary catalogue of C 18O clumps located between l = 330-340°. Together with the information about the noise statistics of the survey, these data can be retrieved from the Mopra CO website and the PASA data store.
Original languageEnglish
Article numbere029
Number of pages14
JournalPublications of the Astronomical Society of Australia
Volume35
Publication statusPublished - 2018

Bibliographical note

Publisher Copyright:
© Astronomical Society of Australia 2018; published by Cambridge University Press.

Keywords

  • Milky Way
  • carbon monoxide
  • dynamics
  • galaxies
  • interstellar matter
  • kinematics

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