S. Keller

Publications108
h-index34
Citations4,299
Highly Influential Citations494
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A single low-energy, iron-poor supernova as the source of metals in the star SMSS J031300.36−670839.3
TLDR
It is concluded that low-energy supernovae were common in the early Universe, and that suchsupernovae yielded light-element enrichment with insignificant iron.
Bump Cepheids in the Magellanic Clouds: Metallicities, the Distances to the LMC and SMC, and the Pulsation-Evolution Mass Discrepancy
We use nonlinear pulsation models to reproduce the observed light and color curves for two samples of bump Cepheid variables, 19 from the Large Magellanic Cloud and 9 from the Small Magellanic Cloud.…
Geometry of the Large Magellanic Cloud Disk: Results from MACHO and the Two Micron All Sky Survey
We present a detailed study of the viewing angles and geometry of the inner LMC (ρ 4°) based on a sample of more than 2000 MACHO Cepheids with complete {VR}KC light curves and single-phase Two Micron…
The SkyMapper Telescope and The Southern Sky Survey
Abstract This paper presents the design and science goals for the SkyMapper telescope. SkyMapper is a 1.3-m telescope featuring a 5.7-square-degree field-of-view Cassegrain imager commissioned for…
A real-time fast radio burst: polarization detection and multiwavelength follow-up
Fast radio bursts (FRBs) are one of the most tantalizing mysteries of the radio sky; their progenitors and origins remain unknown and until now no rapid multiwavelength follow-up of an FRB has been…
SkyMapper and the Southern Sky Survey
Direct detection of a microlens in the Milky Way
TLDR
A direct image of a microlens is reported, revealing it to be a nearby low-mass star in the disk of the Milky Way, and demonstrates a direct determination of a lens mass from amicrolensing event.
The Gaia-ESO Public Spectroscopic Survey
The Gaia-ESO Public Spectroscopic Survey has begun and will obtain high quality spectroscopy of some 100000 Milky Way stars, in the field and in open clusters, down to magnitude 19, systematically ...
Line-driven winds , ionizing fluxes and UV-spectra of hot stars at extremely low metallicity . I . Very massive O-stars
s of 6 accepted papers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Abstracts of 3 proceedings papers . . . . . . . . . . . . . . . . . . . . . . . .…
Revealing Substructure in the Galactic Halo: The SEKBO RR Lyrae Survey
We present a search for RR Lyrae variable stars from archival observations of the Southern Edgeworth-Kuiper Belt Object survey. The survey covers 1675 deg2 along the ecliptic to a mean depth of -->V…
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