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- Macquarie UniversityAU324 papers
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6 papers · 1 filter
An automated method to detect and characterise semi-resolved star clusters
Amy E. Miller, Zachary Slepian, Elizabeth A. Lada +8
We present a novel method for automatically detecting and characterising semi-resolved star clusters: clusters where the observational point-spread function (PSF) is smaller than t…
Panopticon: a telescope for our times
Will Saunders, Timothy Chin, Michael Goodwin
We present a design for a wide-field spectroscopic telescope. The only large powered mirror is spherical, the resulting spherical aberration is corrected for each target separately…
Evolutionary Map of the Universe (EMU): Observations of Filamentary Structures in the Abell S1136 Galaxy Cluster
Peter. J. Macgregor, Ray P. Norris, Andrew O'Brien +17
We present radio observations of the galaxy cluster Abell S1136 at 888 MHz, using the Australian Square Kilometre Array Pathfinder radio telescope, as part of the Evolutionary Map…
The Dark Energy Survey Supernova Program: Slow supernovae show cosmological time dilation out to
R. M. T. White, T. M. Davis, G. F. Lewis +67
We present a precise measurement of cosmological time dilation using the light curves of 1504 type Ia supernovae from the Dark Energy Survey spanning a redshift range $0.1\lesssim…
OzDES Reverberation Mapping Program: Stacking analysis with H, Mg II and C IV
Umang Malik, Rob Sharp, A. Penton +47
Reverberation mapping is the leading technique used to measure direct black hole masses outside of the local Universe. Additionally, reverberation measurements calibrate secondary…
The Gravitational Lensing Imprints of DES Y3 Superstructures on the CMB: A Matched Filtering Approach
Umut Demirbozan, Seshadri Nadathur, Ismael Ferrero +63
Low density cosmic voids gravitationally lens the cosmic microwave background (CMB), leaving a negative imprint on the CMB convergence . This effect provides insight into the…