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The PLANET microlensing follow-up network: Results and prospects for the detection of extra-solar planets
M. Dominik, M. D. Albrow, J. -P. Beaulieu +19
Among various techniques to search for extra-solar planets, microlensing has some unique characteristics. Contrary to all other methods which favour nearby objects, microlensing is…
Detection of Rotation in a Binary Microlens: PLANET Photometry of MACHO 97-BLG-41
M. D. Albrow, J. -P. Beaulieu, J. A. R. Caldwell +17
We analyze PLANET collaboration data for MACHO 97-BLG-41, the only microlensing event observed to date in which the source transits two disjoint caustics. The PLANET data, consisti…
Limits on Stellar and Planetary Companions in Microlensing Event OGLE-1998-BUL-14
M. D. Albrow, J. -P. Beaulieu, J. A. R. Caldwell +17
We present the PLANET photometric data set for \ob14, a high magnification () event alerted by the OGLE collaboration toward the Galactic bulge in 1998. The PLA…
A Complete Set of Solutions For Caustic-Crossing Binary Microlensing Events
M. D. Albrow, J. -P. Beaulieu, J. A. R. Caldwell +17
We present a method to analyze binary-lens microlensing light curves with one well-sampled fold caustic crossing. In general, the surface of chi^2 shows extremely complicated behav…
The Lyman-alpha forest of the QSO in the Hubble Deep Field South
S. Savaglio, H. C. Ferguson, T. M. Brown +8
The quasar in the Hubble Deep Field South (HDFS), J2233-606 (z=2.23) has been exhaustively observed by ground based telescopes and by the STIS spectrograph on board the Hubble Spac…
HST and Palomar Imaging of GRB 990123: Implications for the Nature of Gamma-Ray Bursts and their Hosts
Andrew S. Fruchter, S. E. Thorsett, Mark R. Metzger +13
We report on HST and Palomar optical images of the field of GRB 990123, obtained on 8 and 9 February 1999. We find that the optical transient (OT) associated with GRB 990123 is loc…