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Eclipsing binaries in the open cluster NGC 2243 - II. Absolute properties of NV CMa
J. Kaluzny, W. Pych, S. M. Rucinski +1
We present echelle spectroscopic data for five eclipsing binary stars and two giant stars in the field of the open cluster NGC 2243. The average cluster velocity is determined to b…
Eclipsing binaries in the open cluster NGC 2243 - I. Photometry
J. Kaluzny, W. Krzeminski, I. B. Thompson +1
We obtained BV time series photometry for 12 variable stars from the field of the old open cluster NGC 2243. The sample includes 3 newly identified detached/semi-detached binaries.…
The First DIRECT Distance Determination to a Detached Eclipsing Binary in M33
A. Z. Bonanos, K. Z. Stanek, R. P. Kudritzki +12
We present the first direct distance determination to a detached eclipsing binary in M33, which was found by the DIRECT Project. Located in the OB 66 association at coordinates (al…