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Featured researches published by J. Kaluzny.


The Astrophysical Journal | 1994

COLOR-MAGNITUDE DIAGRAM DISTRIBUTION OF THE BULGE RED CLUMP STARS : EVIDENCE FOR THE GALACTIC BAR

K. Z. Stanek; Mario Mateo; A. Udalski; M. K. Szymański; J. Kaluzny; M. Kubiak

The color-magnitude diagrams of


The Astrophysical Journal | 1999

BVRI Observations of the Optical Afterglow of GRB 990510

Krzysztof Zbigniew Stanek; Peter Marcus Garnavich; J. Kaluzny; W. Pych; Ian B. Thompson

\sim 5\times 10^5


The Astrophysical Journal | 2006

The First DIRECT Distance Determination to a Detached Eclipsing Binary in M33

Alceste Z. Bonanos; Krzysztof Zbigniew Stanek; Rolf-Peter Kudritzki; Lucas M. Macri; Dimitar D. Sasselov; J. Kaluzny; P. B. Stetson; D. F. Bersier; Fabio Bresolin; Thomas Matheson; Barbara J. Mochejska; Norbert Przybilla; Andrew Szentgyorgyi; John L. Tonry; Guillermo Torres

stars obtained for 13 fields towards the Galactic bulge with the OGLE project reveal a well-defined population of bulge red clump stars. We find that the distributions of the extinction-adjusted apparent magnitudes of the red clump stars in fields lying at


The Astrophysical Journal | 1994

Are the ogle microlenses in the galactic bar

Bohdan Paczynski; Krzysztof Zbigniew Stanek; A. Udalski; M. K. Szymański; J. Kaluzny; M. Kubiak; Mario Mateo; Wojtek Krzeminski

l=\pm5\deg


The Astronomical Journal | 1998

DIRECT Distances to Nearby Galaxies Using Detached Eclipsing Binaries and Cepheids. I. Variables in the Field M31B

J. Kaluzny; Krzysztof Zbigniew Stanek; M. Krockenberger; Dimitar D. Sasselov; John L. Tonry; Mario Mateo

in galactic longitude differ by


The Astronomical Journal | 1995

The optical gravitational lensing experiment: Deep photometry of the sagittarius DWARF spheroidal galaxy

Mario Mateo; A. Udalski; M. K. Szymański; J. Kaluzny; M. Kubiak; Wojtek Krzeminski

0.37\pm0.025\;mag


The Astronomical Journal | 1999

RR Lyrae Variables in the Globular Cluster M55. The First Evidence for Nonradial Pulsations in RR Lyrae Stars

Arkadiusz Olech; J. Kaluzny; Ian B. Thompson; W. Pych; Wojtek Krzeminski; A. Shwarzenberg-Czerny

. Assuming that the intrinsic luminosity distribution of the red clump stars is the same on both sides of the Galactic center, this implies that the distances to the red clump stars in the two fields differ by a factor of


The Astronomical Journal | 2010

THE CLUSTER AGES EXPERIMENT (CASE). IV. ANALYSIS OF THE ECLIPSING BINARY V69 IN THE GLOBULAR CLUSTER 47 Tuc

Ian B. Thompson; J. Kaluzny; Slavek M. Rucinski; Wojtek Krzeminski; W. Pych; Aaron Dotter; Gregory S. Burley

1.185\pm0.015


The Astronomical Journal | 1998

DIRECT Distances to Nearby Galaxies Using Detached Eclipsing Binaries and Cepheids. II. Variables in the Field M31A

Krzysztof Zbigniew Stanek; J. Kaluzny; M. Krockenberger; Dimitar D. Sasselov; John L. Tonry; Mario Mateo

. A plausible explanation of the observed difference in the luminosity distribution is that the Galactic bulge is a triaxial structure, or bar, which is inclined to the line of sight by no more than


Astronomy and Astrophysics | 2004

Cluster AgeS Experiment. Catalog of variable stars in the globular cluster omega Centauri

J. Kaluzny; Arkadiusz Olech; Ian B. Thompson; W. Pych; Wojtek Krzeminski; A. Schwarzenberg-Czerny

45\deg

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Ian B. Thompson

Carnegie Institution for Science

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W. Pych

University of Warsaw

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A. Schwarzenberg-Czerny

Adam Mickiewicz University in Poznań

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