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Combining Visual and Photoelectric Observations of Semi-Regular Red Variables
T. T. Moon, S. A. Otero, L. L. Kiss
Combining visual observations of SR variables with measurements of them using a photoelectric photometer is discussed then demonstrated using data obtained for the bright, southern…
Radial velocities of five globular clusters obtained with AAOmega
P. Székely, L. L. Kiss, K. Szatmáry +3
Using the recently commissioned multi-object spectrograph AAOmega on the 3.9m AAT we have obtained medium-resolution near-infrared spectra for 10,500 stars in and around five south…
Multisite campaign on the open cluster M67. III. Delta Scuti pulsations in the blue stragglers
H. Bruntt, D. Stello, J. C. Suarez +20
We have made an asteroseismic analysis of the variable blue stragglers in the open cluster M67. The data set consists of photometric time series from eight sites using nine 0.6-2.1…
A wide-field kinematic survey for tidal tails around five globular clusters
L. L. Kiss, P. Szekely, T. R. Bedding +2
Using the AAOmega instrument of the Anglo-Australian Telescope, we have obtained medium-resolution near-infrared spectra of 10,500 stars in two-degree fields centered on the galact…
Eclipsing binaries in the MACHO database: New periods and classifications for 3031 systems in the Large Magellanic Cloud
A. Derekas, L. L. Kiss, T. R. Bedding
Eclipsing binaries offer a unique opportunity to determine fundamental physical parameters of stars using the constraints on the geometry of the systems. Here we present a reanalys…
ESC and KAIT Observations of the Transitional Type Ia SN 2004eo
A. Pastorello, P. A. Mazzali, G. Pignata +31
We present optical and infrared observations of the unusual Type Ia supernova (SN) 2004eo. The light curves and spectra closely resemble those of the prototypical SN 1992A, and the…