Multi-generation massive star-formation in NGC3576 (2009)
Purcell, C. R., Minier, V., Longmore, S. N., André, Ph., Walsh, A. J., Jones, P., ...
Recent 1.2-mm continuum observations have shown the giant HII region NGC3576 to be embedded in the centre of an extended filamentary dust-cloud. The bulk of the filament away from the HII region...
Urquhart, J. S., Hoare, M. G., Purcell, C. R., Lumsden, S. L., Oudmaijer, R. D., Moore, T. J. T., ...
(Abridged) Context: The Red MSX Source (RMS) survey is an ongoing multi-wavelength observational programme designed to return a large, well-selected sample of massive young stellar objects (MYSOs)....
Physical and chemical conditions in methanol maser selected hot-cores and UCHII regions (2008)
Purcell, C. R., Longmore, S. N., Burton, M. G., Walsh, A. J., Minier, V., Cunningham, M. R., ...
We present the results of a targeted 3-mm spectral line survey towards the eighty-three 6.67 GHz methanol maser selected star forming clumps observed by Purcell et al. 2006. In addition to the...
André, P., Minier, V., Gallais, P., Reveret, V., Pennec, J. Le, Rodriguez, L., ...
Context: The earliest phases of massive star formation are currently much debated. Aims. In an effort to make progress, we took a census of Class0-like protostellar dense cores in the NGC 3576...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, F., Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
Urquhart, J. S., Busfield, A. L., Hoare, M. G., Lumsden, S. L., Oudmaijer, R. D., Moore, T. J. T., ...
Context: The Red MSX Source (RMS) survey is an ongoing multi-wavelength observational programme designed to return a large, high-resolution mid-infrared colour-selected sample of massive young...
A Survey for Redshifted Molecular and Atomic Absorption Lines II (2008)
Curran, S. J., Whiting, M. T., Wiklind, T., Webb, J. K., Murphy, M. T., Purcell, C. R.
We present the results of a z>2.9 survey for HI 21-cm and molecular absorption in the hosts of radio quasars using the GMRT and the Tidbinbilla 70-m telescope. Previously published searches, which...
V. Minier, M. G. Burton, T. Hill, M. R. Pestalozzi, C. R. Purcell, G. Garay, ...
Abstract. We present a multiwavelength study of five methanol maser sites which are not directly associated with a strong (>100 mJy) radio continuum source: G 31.28+0.06, G 59.78+0.06, G...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, Fabrice, Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, Fabrice, Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
Determining the relative evolutionary stages of very young massive star formation regions (2007)
Longmore, S. N., Burton, M. G., Purcell, C. R., Barnes, P., Ott, J.
We have recently completed an observing program with the Australia Telescope Compact Array towards massive star formation regions traced by 6.7 GHz methanol maser emission. We found the molecular...
New ammonia masers towards NGC6334I (2007)
Walsh, A. J., Longmore, S. N., Thorwirth, S., Urquhart, J. S., Purcell, C. R.
We report the detection of new ammonia masers in the non-metastable (8,6) and (11,9) transitions towards the massive star forming region NGC6334I. Observations were made with the ATCA interferometer...
The RMS Survey: 13CO observations of candidate massive YSOs in the southern hemisphere (2007)
Urquhart, J. S., Busfield, A. L., Hoare, M. G., Lumsden, S. L., Oudmaijer, R. D., Moore, T. J. T., ...
Abridged: The Red MSX Source (RMS) survey is an ongoing multi-wavelength observational programme designed to return a large, well-selected sample of massive young stellar objects (MYSOs). Here we...
Longmore, S. N., Burton, M. G., Barnes, P. J., Wong, T., Purcell, C. R., Ott, J.
We present observations of the (1,1), (2,2), (4,4) and (5,5) inversion transitions of para-ammonia (NH3) and 24 GHz continuum, taken with the Australia Telescope Compact Array toward 21 southern...
Longmore, S. N., Burton, M. G., Barnes, P. J., Wong, T., Purcell, C. R., Ott, J.
Methanol maser emission has proven to be an excellent signpost of regions undergoing massive star formation (MSF). To investigate their role as an evolutionary tracer, we have recently completed a...
New ammonia masers towards NGC 63341 (2007)
Walsh, A.J., Longmore, S.N., Thorwirth, S., Urquhart, J.S., Purcell, C.R.
We report the detection of new ammonia masers in the non-metastable (8,6) and (11,9) transitions towards the massive star-forming region NGC6334I. Observations were made with the Australia Telescope...
A CH3CN and HCO+ survey towards southern methanol masers associated with star formation (2006)
Purcell, C.R., Balasubramanyam, R., Burton, M.G., Walsh, A.J.
Restricted Access. An Open Access version is available at arXiv.org.
A CH3CN and HCO+ survey towards southern methanols masers associated with star formation (2006)
Purcell, C. R., Balasubramanyam, R., Burton, M. G., Walsh, A. J., Minier, V., Hunt-Cunningham, M. R., ...
A CH3CN and HCO+ survey towards southern methanols masers associated with star formation (2006)
Purcell, C. R., Balasubramanyam, R., Burton, M. G., Walsh, A. J., Minier, V., Hunt-Cunningham, M. R., ...
A CH3CN and HCO+ survey towards southern methanol masers associated with star formation (2005)
Purcell, C. R., Balasubramanyam, R., Burton, M. G., Walsh, A. J., Minier, V., Hunt-Cunningham, M. R., ...
We present the initial results of a 3-mm spectral line survey towards 83 methanol maser selected massive star-forming regions. Here we report observations of the J=5-4 and 6-5 rotational transitions...
Busfield, A. L., Purcell, C. R., Hoare, M. G., Lumsden, S. L., Moore, T. J. T., Oudmaijer, R. D.
We investigate the use of HI data to resolve the near/far ambiguity in kinematic distances of massive young stellar object (MYSO) candidates. Kinematic distances were obtained from 13CO 1-0 spectral...
High-mass star formation in the Southern Hemisphere sky (2004)
Minier, V., Burton, M. G., Hill, T., Purcell, C. R., Longmore, S., Walsh, A. J., ...
We report on a multi-wavelength (IR to cm) and multi-resolution (1 mas to 20 arcsec) exploration of high-mass star formation regions in the Galactic plane, at longitudes observable from the Southern...
Star-forming protoclusters associated with methanol masers (2004)
Minier, V., Burton, M. G., Hill, T., Pestalozzi, M. R., Purcell, C. R., Garay, G., ...
We present a multiwavelength study of five methanol maser sites which are not directly associated with a strong ($>100$ mJy) radio continuum source: G 31.28+0.06, G 59.78+0.06, G 173.49+2.42 (S231,...
Spin temperatures and covering factors for HI 21-cm absorption in damped Lyman-alpha systems (2004)
Curran, S. J., Murphy, M. T., Pihlstroem, Y. M., Webb, J. K., Purcell, C. R.
We investigate the practice of assigning high spin temperatures to damped Lyman-alpha absorption systems (DLAs) not detected in HI 21-cm absorption. In particular, Kanekar & Chengaulr (2003) have...