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- The University of SydneyAU578 papers
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- Data61AU267 papers
- University of CambridgeGB253 papers
- Australian Astronomical ObservatoryAU246 papers
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45 papers · 2 filters
A CH3CN and HCO+ survey towards southern methanol masers associated with star formation
C. R. Purcell, R. Balasubramanyam, M. G. Burton +32
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 rota…
Primordial pollution of globular clusters within their host dwarfs embedded in dark matter halos at high redshifts
Kenji Bekki
Recent observational studies have revealed star-to-star abundance inhomogeneity among light elements (e.g., C, N, O, Na, and Al) of stars on the main sequence in the Galactic globu…
Impact of dark matter subhalos on extended HI disks of galaxies: Possible formation of HI fine structures and stars
Kenji Bekki, Masashi Chiba
Recent observations have discovered star formation activities in the extreme outer regions of disk galaxies. However it remains unclear what physical mechanisms are responsible for…
The origin of the double main sequence in Omega Centauri: Helium enrichment due to gas fueling from its ancient host galaxy ?
Kenji Bekki, John E. Norris
Recent observational studies of Centauri by {\it Hubble Space Telescope} have discovered a double main sequence in the color magnitude diagrams (CMDs) of its stellar population…
L-band (3.5 micron) IR-excess in massive star formation, II. RCW 57/NGC 3576
M. Maercker, M. G. Burton, C. M. Wright
We present a JHKL survey of the massive star forming region RCW 57 (NGC 3576) based on L-band data at 3.5 micron taken with SPIREX (South Pole Infrared Explorer), and 2MASS JHK dat…
Resolving the Kinematic Distance Ambiguity of Southern Massive Young Stellar Object Candidates
A. L. Busfield, C. R. Purcell, M. G. Hoare +3
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…