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Search for Low-Mass Exoplanets by Gravitational Microlensing at High Magnification
F. Abe, D. P. Bennett, I. A. Bond +32
Observations of the gravitational microlensing event MOA 2003-BLG-32/OGLE 2003-BLG-219 are presented for which the peak magnification was over 500, the highest yet reported. Contin…
Potential Direct Single-Star Mass Measurement
H. Ghosh
We analyze the lightcurve of the microlensing event OGLE-2003-BLG-175/MOA-2003-BLG-45 and show that it has two properties that, when combined with future high resolution astrometry…
OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event
I. A. Bond, A. Udalski, M. Jaroszynski +29
We present observations of the unusual microlensing event OGLE 2003-BLG-235/MOA 2003-BLG-53. In this event a short duration (~7 days) low amplitude deviation in the light curve due…
On the Afterglow of the X-Ray Flash of July 23 2003: Photometric evidence for an off-axis Gamma-Ray Burst with an associated Supernova?
J. P. U. Fynbo, J. Sollerman, J. Hjorth +31
We present optical and near-infrared follow-up observations of the X-Ray Flash (XRF) of July 23 2003. Our observations in the R-band cover the temporal range from 4.2 h to 64 days…
MOA 2003-BLG-37: A Bulge Jerk-Parallax Microlens Degeneracy
B. -G. Park, D. L. DePoy, B. S. Gaudi +25
We analyze the Galactic bulge microlensing event MOA-2003-BLG-37. Although the Einstein timescale is relatively short, t_e=43 days, the lightcurve displays deviations consistent wi…