240 citations · 968 across the 17 of their papers we have counts for
17 papers
Constraints on Binarity for the Extreme Oe Variable Star AzV 493
M. S. Oey, Irene Vargas-Salazar, Edmund Hodges-Kluck +6
The extreme Oe star AzV 493 is known to show unusual photometric and spectroscopic variability that suggest the presence of an unseen companion in a highly eccentric and long-perio…
Fast rotating Blue Straggler Stars in the Globular Cluster NGC3201
Alex Billi, Francesco R. Ferraro, Alessio Mucciarelli +7
We used high resolution spectra acquired at the Magellan Telescope to measure radial and rotational velocities of approximately 200 stars in the Galactic globular cluster NGC 3201.…
Chemical Compositions of Field and Globular Cluster RR Lyrae Stars: I. NGC 3201
D. Magurno, C. Sneden, V. F. Braga +7
We present a detailed spectroscopic analysis of horizontal branch stars in the globular cluster NGC 3201. We collected optical (4580-5330 A), high resolution (~34,000), high signal…
HST Colour-Magnitude Diagrams of Six Old Globular Clusters in the LMC
K. A. G. Olsen, P. W. Hodge, M. Mateo +4
We report on HST observations of six candidate old globular clusters in the Large Magellanic Cloud: NGC 1754, NGC 1835, NGC 1898, NGC 1916, NGC 2005 and NGC 2019. Deep exposures wi…
The Optical Gravitational Lensing Experiment. Variable Stars in Globular Clusters - IV. Fields 104A-E in 47 Tuc
J. Kaluzny, M. Kubiak, M. Szymanski +4
Five fields located close to the center of the globular cluster NGC 104=47 Tuc were surveyed in a search for variable stars. We present V-band light curves for 42 variables. This s…
Modelling the Galactic Bar Using Red Clump Giants
K. Z. Stanek, A. Udalski, M. Szymanski +4
The color-magnitude diagrams of stars obtained for 12 fields across the Galactic bulge with the OGLE project reveal a well-defined population of bulge red clum…