Gravitational Microlensing
EventsDiane FeuilletKailash Sahu
Tracking High Proper Motion Stars to Predict Possible Microlensing Events
Fitting Light Curves of Long-Duration Binary Events
Derived the Mass Function of Observed Events From the Timescales
ARIES Images-2402009
Poss 1 blue 1955
Poss 2 blue 1997
Poss 2 blue 1997
7
1
23
4
5
6
ARIES Images-2402009
5
4
3
6
7
21
7
1
45
6
Poss 2 blue 1997
32
ARIES Images-2402009
7
6
5432
1
7
1
45
6 32
Poss 2 blue 1997
6
3 4
5
1
7
2
Y po
sitio
n
x position
600
400
400 600
1
2
D = 0.400 arcsec
T = 2/1/2012
Y po
sitio
n
x position
510
505
515
440 445 450
Te = 141 days
1999-19Te1 = 60 daysTe2 = 120 days I mag = 15.9
HJD - 2450000
Ampl
itude 1
HJD - 24500001300 1700
2006-393Te1 = 90 daysTe2 = 74 daysI mag = 14.9
Te = 207 days
Ampl
itude
HJD - 2450000
0.5
0 3900 4200
2008-143Te1 = 40 daysTe2 = 35 days I mag = 17.6
Possible Black
Holes?
Ampl
itude
HJD - 2450000
1
0.5
4500 4800
2002-051Te1 = 8 daysTe2 = 12 days Te3 = 20 days I mag = 17.8
Three body systems
Ampl
itud
e
HJD - 2450000
4
3
2
1
02250 2400
Te = 139 days
2003-095Te1 = 26 daysTe2 = 26 daysTe3 = 15 daysI mag = 15.6
Ampl
itude
1
0.5
HJD - 24500002800 32000
2004-039Te1 = 22 daysTe2 = 1 days I mag = 17.3
2003-056Te1 = 15 daysTe2 = 20 days I mag = 16.8
Some do notfit well
Ampl
itude
1
2
3060 3100HJD - 2450000
Ampl
itude
1
HJD - 24500002650 2800
0
0
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