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9 papers · 1 filter
SAGE-Var: An Infrared Survey of Variability in the Magellanic Clouds
D. Riebel, M. L. Boyer, S. Srinivasan +9
We present the first results from the SAGE-Var program, a follow on to the Spitzer legacy program Surveying the Agents of Galaxy Evolution (SAGE; Meixner, et al. 2006). We obtained…
New insights from inside-out Doppler tomography
Enrico J. Kotze, Stephen B. Potter
We present preliminary results from our investigation into using an 'inside-out' velocity space for creating a Doppler tomogram. The aim is to transpose the inverted appearance of…
Towards Non-spherical Radio Models
Valério A. R. M. Ribeiro, Wolfgang Steffen, Laura Chomiuk +3
Radio observations of novae in outburst are of particular interest due to the physical parameters that may be retrieved from fitting the radio light curves. Most models that have f…
Radio Frequency Models of Novae in eruption. I. The Free-Free Process in Bipolar Morphologies
V. A. R. M. Ribeiro, L. Chomiuk, U. Munari +6
Observations of novae at radio frequencies provide us with a measure of the total ejected mass, density profile and kinetic energy of a nova eruption. The radio emission is typical…
On the Galactic Nova Progenitor Population
M. J. Darnley, M. F. Bode, D. J. Harman +6
Of the 350 or more known Galactic classical novae, only a handful of them, the recurrent novae, have been observed in outburst more than once. At least eight of these recurrents ar…
Inhomogeneities in molecular layers of Mira atmospheres
M. Wittkowski, D. A. Boboltz, M. Ireland +7
We obtained K-band spectro-interferometric observations of the Miras R Cnc, X Hya, W Vel, and RW Vel with a spectral resolution of 1500 using the VLTI/AMBER instrument. We obtained…