M I C R O L E N S I N G E X P L O R A T I O N of the G A L A X Y & A N D R O M E D A
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If galactic halos have substantial baryonic components expected event rates for M31 microlensing observations are perhaps ten times higher than for the LMC. Most of these lenses probably reside in M31 itself. Additionally, the extent of the disk of M31 allows us to probe diverse lines of sight through the M31 halo and thus determine the distribution of its microlensing matter more accurately.
Beyond microlensing, difference image photometry is an exciting fast-developing field in its own right. The MEGA collaboration has three major goals:
This research is supported by several grants by the NSF and STScI, and formerly by a David and Lucile Packard Foundation Fellowship.
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Last updated: 15 July 1999