activity
19982023
most citedDiscovery of a Cool Planet of 5.5 Earth Masses Through Gravitational Microlensing

596 citations · 6.6k across the 86 of their papers we have counts for

collaborators

85 papers

astro-ph.SR2023★ 1 cited

A CCD Search for Variable Stars in the Open Cluster NGC 6611

G. Michalska, Z. Kołaczkowski, R. Leiton +4

We present the results of the variability survey in the young open cluster NGC 6611 based on observations obtained during 34 nights spanning one year. In total, we found 9…

astro-ph.GA2011★ 194 cited

The OGLE View of Microlensing towards the Magellanic Clouds. IV. OGLE-III SMC Data and Final Conclusions on MACHOs

L. Wyrzykowski, J. Skowron, S. Kozlowski +9

In this fourth part of the series presenting the Optical Gravitational Lensing Experiment (OGLE) microlensing studies of the dark matter halo compact objects (MACHOs) we describe r…

astro-ph.GA2010★ 92 cited

The OGLE View of Microlensing towards the Magellanic Clouds. III. Ruling out sub-solar MACHOs with the OGLE-III LMC data

L. Wyrzykowski, S. Kozlowski, J. Skowron +8

In the third part of the series presenting the Optical Gravitational Lensing Experiment (OGLE) microlensing studies of the dark matter halo compact objects (MACHOs) we describe res…

astro-ph.SR2010★ 42 cited

OGLE-2009-BLG-092/MOA-2009-BLG-137: A Dramatic Repeating Event With the Second Perturbation Predicted by Real-Time Analysis

Y. -H. Ryu, C. Han, K. -H. Hwang +105

We report the result of the analysis of a dramatic repeating gravitational microlensing event OGLE-2009-BLG-092/MOA-2009-BLG-137, for which the light curve is characterized by two…

astro-ph.SR2010★ 35 cited

OGLE-2005-BLG-153: Microlensing Discovery and Characterization of A Very Low Mass Binary

K. -H. Hwang, A. Udalski, C. Han +77

The mass function and statistics of binaries provide important diagnostics of the star formation process. Despite this importance, the mass function at low masses remains poorly kn…

astro-ph.GA2010★ 44 cited

The Araucaria Project. First Cepheid Distance to the Sculptor Group Galaxy NGC 7793 from Variables discovered in a Wide-Field Imaging Survey

G. Pietrzynski, W. Gieren, M. Hamuy +12

We have detected, for the first time, Cepheid variables in the Sculptor Group spiral galaxy NGC 7793. From wide-field images obtained in the optical V and I bands on 56 nights in 2…