SIMBAD references

2013MNRAS.429..469J - Mon. Not. R. Astron. Soc., 429, 469-481 (2013/February-2)

Pilot observations for MALT-45: a galactic plane survey at 7 mm.

JORDAN C.H., WALSH A.J., LOWE V., LO N., PURCELL C.R., VORONKOV M.A. and LONGMORE S.N.

Abstract (from CDS):

We introduce the Millimetre Astronomer's Legacy Team - 45 GHz (MALT-45) Galactic plane survey and describe pilot survey results with the Australia Telescope Compact Array (ATCA). The pilot survey was conducted to test the instrumentation and observational technique of MALT-45, before commencing the full survey. We mapped two half-square degree regions within the southern Galactic plane around the G333 giant molecular cloud, using fast mosaic mapping. Using the new Compact Array Broad-band Backend on the ATCA, we were able to observe two 2048 MHz spectral windows, centred on frequencies 43.2 and 48.2 GHz. Although only a coarse spectral resolution of around 7 km s-1 was available to us, we detect widespread, extended emission in the CS (1-0) ground state transition. We also detect eight Class I CH3OH masers at 44 GHz and three SiO masers in vibrationally excited (1-0) transitions. We also detect the H53α radio recombination line, non-vibrationally excited SiO (1-0) and emission in the CH3OH 11-00 A+ line.

Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): masers - surveys - stars: formation - ISM: molecules - Galaxy: structure - radio lines: ISM

Simbad objects: 5

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