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75 papers · 1 filter
New white dwarfs for the stellar initial mass-final mass relation
Paul Dobbie, Richard Baxter
We present the preliminary results of a survey of the open clusters NGC3532 and NGC2287 for new white dwarf members which can help improve understanding of the form of the upper en…
Planetary Nebulae towards the Galactic bulge. I. [OIII] fluxes
Anna V. Kovacevic, Quentin A. Parker, George H. Jacoby +3
We present [OIII]λ5007 fluxes and angular diameters for 435 Planetary Nebulae (PN) in the central 10' x 10' region towards the Galactic bulge. Our sample is taken from the new disc…
Galaxy And Mass Assembly (GAMA): Galaxies at the faint end of the Halpha luminosity function
S. Brough, A. M. Hopkins, R. G. Sharp +30
We present an analysis of the properties of the lowest Halpha-luminosity galaxies (L_Halpha<4x10^32 W; SFR<0.02 Msun/yr) in the Galaxy And Mass Assembly (GAMA) survey. These galaxi…
The Dawning of the Stream of Aquarius in RAVE
Mary E. K. Williams, Matthias Steinmetz, Sanjib Sharma +22
We identify a new, nearby (0.5 < d < 10 kpc) stream in data from the RAdial Velocity Experiment (RAVE). As the majority of stars in the stream lie in the constellation of Aquarius…
Restriction and spectral multiplier theorems on asymptotically conic manifolds
Colin Guillarmou, Andrew Hassell, Adam Sikora
The classical Stein-Tomas restriction theorem is equivalent to the statement that the spectral measure of the square root of the Laplacian on $\RR^n$ is bounded from $L^p(\…
No evidence for internal rotation in the remnant core of the Sagittarius dwarf
Jorge Penarrubia, Daniel B. Zucker, Mike J. Irwin +6
We have conducted a spectroscopic survey of the inner regions of the Sagittarius (Sgr) dwarf galaxy using the AAOmega spectrograph on the Anglo-Australian Telescope. We determine r…