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19 April 2024 |
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GASKAP -- The Galactic ASKAP Survey | | J. M. Dickey
; N. McClure-Griffiths
; S. J. Gibson
; J. F. Gomez
; H. Imai
; P. Jones
; S. Stanimirovic
; J. Th. van Loon
; A. Walsh
; A. Alberdi
; G. Anglada
; L. Uscanga
; H. Arce
; M. Bailey
; A. Begum
; B. Wakker
; N. Ben Bekhti
; P. Kalberla
; B. Winkel
; K. Bekki
; B.-Q. For
; L. Staveley-Smith
; T. Westmeier
; M. Burton
; M. Cunningham
; J. Dawson
; S. Ellingsen
; P. Diamond
; J.A. Green
; A.S. Hill
; B. Koribalski
; D. McConnell
; J. Rathborne
; M. Voronkov
; K. A. Douglas
; J. English
; H. A. Ford
; T. Foster
; Y. Gomez
; A. Green
; J. Bland-Hawthorn
; S. Gulyaev
; M. Hoare
; G. Joncas
; J-H. Kang
; C. R. Kerton
; B-C. Koo
; D. Leahy
; N. Lo
; F. J. Lockman
; V. Migenes
; J. Nakashima
; Y. Zhang
; D. Nidever
; J.E.G. Peek
; D. Tafoya
; W. Tian
; D. Wu
; | | Date: |
4 Jul 2012 | | Abstract: | A survey of the Milky Way disk and the Magellanic System at the wavelengths
of the 21-cm atomic hydrogen (HI) line and three 18-cm lines of the OH molecule
will be carried out with the Australian Square Kilometre Array Pathfinder
telescope. The survey will study the distribution of HI emission and absorption
with unprecedented angular and velocity resolution, as well as molecular line
thermal emission, absorption, and maser lines. The area to be covered includes
the Galactic plane (|b|< 10deg) at all declinations south of delta = +40deg,
spanning longitudes 167deg through 360deg to 79deg at b=0deg, plus the entire
area of the Magellanic Stream and Clouds, a total of 13,020 square degrees. The
brightness temperature sensitivity will be very good, typically sigma_T ~ 1 K
at resolution 30arcsec and 1 km/s. The survey has a wide spectrum of scientific
goals, from studies of galaxy evolution to star formation, with particular
contributions to understanding stellar wind kinematics, the thermal phases of
the interstellar medium, the interaction between gas in the disk and halo, and
the dynamical and thermal states of gas at various positions along the
Magellanic Stream. | | Source: | arXiv, 1207.0891 | | Services: | Forum | Review | PDF | Favorites | |
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