1. The Ongoing Importance of Followup Observations Jennifer Yee

2. Unique Advantages No set observing strategy Can choose targets, cadence, bands More sites better longitudinal coverage

3. OGLE MOA Wise

4. OGLE MOA Wise

5. OGLE CTIO FCO AO MAO Kumeu VLO MOA Possum Turitea PEST Craigie KKO Wise Weizmann IAC80 OPD

6. Science Opportunities High-magnification Events –Dense observations –Terrestrial parallax Events early and late in the season Events in low-cadence fields Multi-band information (particularly IR)

7. 5988599059925994 OGLE-2012-BLG-0026 Han et al., 2013, ApJL

8. Detection Threshold Beaulieu et al. 2006, Nature, 439, 437Yee et al. 2012, ApJ, 755, 102 MOA-2011-BLG-293 OGLE-2005-BLG-390

9. Dong et al. 2009 MOA-2007-BLG-400

10. OGLE-2007-BLG-224

14. MOA-2010-BLG-523 Gould et al. 2013 ApJ

15. MOA-2008-BLG-310

16. Science Opportunities High-magnification Events –Dense observations –Terrestrial parallax Events early and late in the season Events in low-cadence fields Multi-band information (particularly IR)