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Measurements of streaming motions of the Galactic bar with Red Clump Giants
T. Sumi, L. Eyer, P. R. Wozniak
We report a measurement of the streaming motion of the stars in the Galactic bar with the Red Clump Giants (RCGs) using the data of the Optical Gravitational Lensing Experiment II…
The Nature of V359 Centauri Revealed: New Long-Period SU UMa-Type Dwarf Nova
T. Kato, R. Stubbings, P. Nelson +12
We detected four outbursts of V359 Cen (possible nova discovered in 1939) between 1999 and 2002. Time-resolved CCD photometry during two outbursts (1999 and 2002) revealed that V35…
Constraining the Location of Microlensing Objects towards the LMC through Parallax Measurement in EAGLE Observations
T. Sumi, Y. Kan-ya
We investigate the possibility of determining whether microlensing objects towards the Large Magellanic Cloud (LMC) are in a Galactic thick disc, or are in a Galactic halo, by usin…
Microlensing optical depth towards the Galactic bulge from MOA observations during 2000 with Difference Image Analysis
T. Sumi, F. Abe, I. A. Bond +27
We analyze the data of the gravitational microlensing survey carried out by by the MOA group during 2000 towards the Galactic Bulge (GB). Our observations are designed to detect ef…