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- Macquarie UniversityAU873 papers
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45 papers · 1 filter
Evidence for solar-like oscillations in beta Hydri
Timothy R. Bedding, R. Paul Butler, Hans Kjeldsen +6
We have made a clear detection of excess power, providing strong evidence for solar-like oscillations in the G2 subgiant beta Hyi. We observed this star over five nights with the U…
Tunable-filter imaging of quasar fields at z~1. I. A cluster around MRC B0450-221
Joanne C. Baker, Richard W. Hunstead, Malcolm N. Bremer +3
Using a combination of multicolour broad- and narrow-band imaging techniques and follow-up spectroscopy, we have detected an overdensity of galaxies in the field of quasar MRC B045…
First Results from the Anglo-Australian Planet Search - A Brown Dwarf Candidate and a 51 Peg-like Planet
C. G. Tinney, R. Paul Butler, Geoffrey W. Marcy +5
We report results from the Anglo-Australian Planet Search -- a survey for planets around 200 solar-type stars in the southern hemisphere, which is being carried out on the 3.9m Ang…
Near-infrared spectroscopy of the circumnuclear star formation regions in M100: Evidence for sequential triggering
S. D. Ryder, J. H. Knapen, M. Takamiya
We present low resolution (R~450) K-band spectroscopy for 16 of the 43 circumnuclear star-forming knots in M100 identified by Ryder & Knapen (1999). We compare our measurements of…
The 2dF Galaxy Redshift Survey: Near Infrared Galaxy Luminosity Functions
Shaun Cole, Peder Norberg, Carlton Baugh +24
We combine the 2MASS extended source catalogue and the 2dFGRS to produce an IR selected galaxy catalogue with 17,173 measured redshifts. We use this extensive dataset to estimate t…
PSR J1740-3052 - a pulsar with a massive companion
I. H. Stairs, R. N. Manchester, A. G. Lyne +14
We report on the discovery of a binary pulsar, PSR J1740-3052, during the Parkes multibeam survey. Timing observations of the 570-ms pulsar at Jodrell Bank and Parkes show that it…