[vsnet-alert 3139] MACHO Parallax Events

[User Macho <macho@astro.washington.edu>]

Dear Colleagues-
 
Further MACHO/GMAN observations of 2 microlensing events in progress
towards the Galactic bulge have revealed likely parallax effects.


Event                         99-BLG-1
Star ID                       121.22423.1032
RA      (J2000)               18:08:50.0
DEC     (J2000)               -30:31:56
V                             ~18.8
R                             ~18.0

A ~3.4 and near peak on 22 Jun, duration 210 +/- 18 days.  Best fit
lens transverse speed projected to the solar position is 36 +/- 2
km/s.  Chi^2 improvement over standard fit is ~400.


Event                         99-BLG-8
Star ID                       403.47849.756
RA      (J2000)               17:56:25.2
DEC     (J2000)               -29:40:31
V                             ~15.8
R                             ~14.5

A ~4.1 and rising on 22 Jun, duration 208 +/- 25 days.  Best fit lens
transverse speed projected to the solar position is 65 +/- 20 km/s.
Chi^2 improvement over standard fit is ~600.


Finding charts and lightcurves are available on the web page at
http://darkstar.astro.washington.edu or ftp site
darkstar.astro.washington.edu directories macho/Alert/99-*.
 
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