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Gravitational Microlensing Events Diane Feuillet Kailash Sahu.

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Presentation on theme: "Gravitational Microlensing Events Diane Feuillet Kailash Sahu."— Presentation transcript:

1 Gravitational Microlensing Events Diane Feuillet Kailash Sahu

2 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

3 ARIES Images

4

5 Poss 1 blue 1955

6 Poss 2 blue 1997

7

8 ARIES Images Poss 2 blue

9 ARIES Images Poss 2 blue 1997

10 Y position x position

11 1 2 D = arcsec T = 2/1/2012 Y position x position

12

13 Te = 141 days Te1 = 60 days Te2 = 120 days I mag = 15.9 HJD Amplitude 1 HJD

14 Te1 = 90 days Te2 = 74 days I mag = 14.9 Te = 207 days Amplitude HJD

15 Te1 = 40 days Te2 = 35 days I mag = 17.6 Possible Black Holes? Amplitude HJD

16 Te1 = 8 days Te2 = 12 days Te3 = 20 days I mag = 17.8 Three body systems Amplitude HJD

17 Te = 139 days Te1 = 26 days Te2 = 26 days Te3 = 15 days I mag = 15.6 Amplitude HJD

18 Te1 = 22 days Te2 = 1 days I mag = Te1 = 15 days Te2 = 20 days I mag = 16.8 Some do not fit well Amplitude HJD Amplitude 1 HJD

19


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