MICROLENSING PLANET DISCOVERIES. Yossi Shvartzvald NPP Fellow at JPL
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1 MICROLENSING PLANET DISCOVERIES Yossi Shvartzvald NPP Fellow at JPL
2 Prehistory MACHO LMC-1 Alcock et al. 1993
3 Prehistory MACHO LMC-1 Alcock et al Dominik & Hirshfeld 1994
4 Prehistory Dominik & Hirshfeld 1996
5 Prehistory MACHO-98-BLG-35 Rhie et al. 2000
6 Prehistory MACHO-98-BLG-35 OGLE-2002-BLG-055 Rhie et al Jaroszynsky & Paczynski 2002
7 Prehistory MACHO-98-BLG-35 OGLE-2002-BLG-055 Rhie et al Gaudi & Han 2004
8 Prehistory First circumbinary planet!! MACHO-97-BLG-41 Bennett et al. 1999
9 Prehistory MACHO-97-BLG-41 => Rotation in a Binary Microlens Alcock et al. 2000
10 The first microlensing planet OGLE-2003-BLG-235/MOA-2003-BLG-53 Bond et al. 2004
11 The first microlensing planet OGLE-2003-BLG-235/MOA-2003-BLG-53 Model parameters t E 61.5 ± 1.8 [d] q s ± Resonant caustic Bond et al. 2004
12 The first microlensing planet OGLE-2003-BLG-235/MOA-2003-BLG-53 Model parameters t E 61.5 ± 1.8 [d] Host star identification using HST q s ± Bond et al Physical properties m planet [M J ] a [AU] M host [M ] Bennett et al Bennett et al. 2006
13 2 nd microlensing planet alert and follow-up OGLE-2005-BLG-071 Udalski et al. 2005
14 2 nd microlensing planet alert and follow-up Model parameters OGLE-2005-BLG-071 t E q 71 [d] 7.1 / s 1.29 / 0.76 Wide / Close Central caustic Udalski et al. 2005
15 2 nd microlensing planet alert and follow-up Model parameters OGLE-2005-BLG-071 t E q 71 [d] 7.5 / s 1.31 / 0.76 Wide / Close Microlens parallax Dong et al. 2009
16 2 nd microlensing planet alert and follow-up Model parameters OGLE-2005-BLG-071 t E q 71 [d] 7.5 / s 1.31 / 0.76 Wide / Close Physical properties m planet 3.8 / 3.4 [M J ] a 3.6 / 2.1[AU] M host 0.46 [M ] Dong et al. 2009
17 2 nd microlensing planet alert and follow-up Model parameters OGLE-2005-BLG-071 t E q 71 [d] 7.5 / s 1.31 / 0.76 Wide / Close Physical properties m planet 3.8 / 3.4 [M J ] a 3.6 / 2.1[AU] M host 0.46 [M ] Dong et al. 2009
18 Super Jupiters around M dwarfs Event ~20% of microlensing planet discoveries!! Host mass [M ] Planet mass [M J ] Bayesian estimate? Discovery Ref. OGLE-2005-BLG ± ± 0. 4 Udalski+(2005) OGLE-2012-BLG ± ± 0.43 Poleski+(2014) MOA-2011-BLG Yes Shvartzvald+(2014) OGLE-2008-BLG Yes Koshimoto+(2014) OGLE-2015-BLG ± ± 1.4 Shin+(2016) MOA-2016-BLG Partial Koshimoto+(2017) MOA-2009-BLG Partial Batista+(2011) MOA-2010-BLG ± ± 2.0 Street+(2013) OGLE-2013-BLG ± ± 2.1 Jung+(2015) OGLE-2012-BLG ± ± 0.19 Han+(2013)
![Super Jupiters around M dwarfs Event ~20% of microlensing planet discoveries!! Host mass [M ] Planet mass [M J ] Bayesian estimate? Discovery Ref. OGLE-2005-BLG-071 0.46 ± 0.04 3.8 ± 0.](/docs-images/81/83807736/images/19-0.jpg "4 Udalski+(2005) OGLE-2012-BLG-0406 0.44 ± 0.07 2.73± 0.43 Poleski+(2014) MOA-2011-BLG-322 +0.45 +13.4 0.39 0.19 11.6 5.6 Yes Shvartzvald+(2014) OGLE-2008-BLG-355 +0.30 +3.7 0.37 0.17 4.6 2.")
19 Super Jupiters around M dwarfs Event ~20% of microlensing planet discoveries!! Host mass [M ] Planet mass [M J ] Bayesian estimate? Discovery Ref. OGLE-2005-BLG ± ± 0. 4 Udalski+(2005) OGLE-2012-BLG ± ± 0.43 Poleski+(2014) MOA-2011-BLG Yes Shvartzvald+(2014) OGLE-2008-BLG Yes Koshimoto+(2014) OGLE-2015-BLG ± ± 1.4 Shin+(2016) MOA-2016-BLG Partial Koshimoto+(2017) MOA-2009-BLG Partial Batista+(2011) MOA-2010-BLG ± ± 2.0 Street+(2013) OGLE-2013-BLG ± ± 2.1 Jung+(2015) OGLE-2012-BLG ± ± 0.19 Han+(2013)
20 3 rd microlensing planet Model parameters OGLE-2005-BLG-390 t E q 11.0 ± 0.1 [d] 7.6 ± s 1.61 ± 0.01 Planetary caustic Beaulieu et al. 2006
![3 rd microlensing planet Model parameters OGLE-2005-BLG-390 t E q 11.0 ± 0.1 [d] 7.6 ± 0.7 10 5 s 1.61 ± 0.](/docs-images/81/83807736/images/21-2.jpg "01 Bayesian analysis Physical properties m planet 5.5 +5.5 2.7 [M ] a 2.6 +1.5 0.6 [AU] M host 0.22 +0.21 0.")
21 3 rd microlensing planet Model parameters OGLE-2005-BLG-390 t E q 11.0 ± 0.1 [d] 7.6 ± s 1.61 ± 0.01 Bayesian analysis Physical properties m planet [M ] a [AU] M host [M ] Beaulieu et al. 2006
22 4 th microlensing planet OGLE-2005-BLG-169 Gould et al. 2006
23 4 th microlensing planet OGLE-2005-BLG-169 HST 6.4 years after the event Bennett et al Gould et al. 2006
24 4 th microlensing planet OGLE-2005-BLG-169 HST 6.4 years after the event Bennett et al Gould et al. 2006
25 4 th microlensing planet OGLE-2005-BLG-169 HST 6.4 years after the event Bennett et al Keck 8.2 years after the event Batista et al Gould et al. 2006
26 4 th microlensing planet Physical properties m planet 13.2 ± 1.3[M ] OGLE-2005-BLG-169 a 3.4 ± 0.3[AU] M host 0.65 ± 0.05[M ] Keck 8.2 years after the event Batista et al Gould et al. 2006
27 4 th microlensing planet Gould et al. 2006
28 4 th microlensing planet Gould et al. 2006
29 10 th microlensing planet OGLE-2007-BLG-368 Physical properties m planet [M ] a [AU] M host [M ] Sumi et al. 2010
30 10 th microlensing planet Gould et al. 2006
31 10 th microlensing planet Sumi et al. 2010
32 10 th microlensing planet Sumi et al. 2010
33 10 th microlensing planet Sumi et al. 2010
34 10 th microlensing planet But the hosts are different Sumi et al. 2010
35 10 th microlensing planet scaling to the host mass Sumi et al. 2010
36 10 th microlensing planet Sumi et al. 2010
37 Gaudi et al OGLE-2006-BLG-109
38 Gaudi et al OGLE-2006-BLG-109
39 Two planet systems OGLE-2006-BLG-109 Gaudi et al. 2008
40 Two planet systems Model parameters OGLE-2006-BLG-109 m b M m c mb 0.36 a,b a,c 0.6 Gaudi et al. 2008
41 Two planet systems OGLE-2006-BLG-109 Model parameters Solar system m b M m j M m c mb 0.36 a,b a,c 0.6 m s mj 0.30 a j 0.5 as Gaudi et al. 2008
42 Two planet systems OGLE-2006-BLG-109 Model parameters Solar system m b M m j M m c mb 0.36 a,b a,c 0.6 Physical properties m s mj 0.30 a j 0.5 as Gaudi et al m b 0.73 ± 0.06[M Jup ] a,b 2.3 ± 0.5[AU] m c 0.75 ± 0.06[M Sat ] OGLE Keck a,c [AU] M host [M ] Bennett et al. 2010
43 Two planet systems OGLE-2006-BLG-109 Model parameters Solar system m b M m j M m c mb 0.36 a,b a,c 0.6 Physical properties m s mj 0.30 a j 0.5 as Gaudi et al m b 0.73 ± 0.06[M Jup ] a,b 2.3 ± 0.5[AU] m c 0.75 ± 0.06[M Sat ] OGLE Keck a,c [AU] M host [M ] Bennett et al. 2010
44 Two planet systems OGLE-2012-BLG-0026 Han et al. 2013
45 Two planet systems OGLE-2012-BLG-0026 Model parameters Solar system m b M m j M m c mb 0.17 a,b a,c 0.8/1.2 m s mj 0.30 a j 0.5 as Han et al. 2013
46 Two planet systems OGLE-2012-BLG-0026 Han et al Model parameters Solar system m b M m j M m c mb 0.17 a,b a,c 0.8/1.2 m s mj 0.30 a j 0.5 as Physical properties m b 0.80 ± ± 0.06 [M Jup ] a,b 4.16 ± ± 0.7 [AU] m c 0.39 ± ± 0.02 [M Sat ] a,c 3.94 ± ± 0.5 [AU] M host 1.06 ± ± 0.05 [M ] Beaulieu et al. 2016
47 Second generation microlensing surveys Model parameters MOA-2011-BLG-293 t E q 22 [d] s 0.55 / 1.83 Yee et al. 2012
48 Second generation microlensing surveys Model parameters MOA-2011-BLG-293 t E q 22 [d] s 0.55 / 1.83 Keck Physical properties m planet 4.8 [M J ] a 1.1 / 3.7[AU] M host 0.86 [M ] Batista et al Yee et al. 2012
49 Second generation microlensing surveys Model parameters MOA-2011-BLG-293 t E q 22 [d] s 0.55 / 1.83 Keck Physical properties m planet 4.8 [M J ] a 1.1 / 3.7[AU] M host 0.86 [M ] Batista et al Yee et al. 2012
![Second generation microlensing surveys Model parameters MOA-2011-BLG-293 t E q 22 [d] 5.3 10 3 s 0.55 / 1.](/docs-images/81/83807736/images/50-3.jpg "83 Keck Physical properties m planet 4.8 [M J ] a 1.1 / 3.7[AU] M host 0.86 [M ] Batista et al. 2014 Yee et al.")
50 Second generation microlensing surveys Model parameters MOA-2011-BLG-293 t E q 22 [d] s 0.55 / 1.83 Keck Physical properties m planet 4.8 [M J ] a 1.1 / 3.7[AU] M host 0.86 [M ] Batista et al Yee et al. 2012
51 Gould et al OGLE-2013-BLG-0341
52 Planets in Binary-star systems OGLE-2013-BLG-0341 Circum-secondary planet Gould et al. 2014
53 Planets in Binary-star systems OGLE-2008-BLG-092 Circum-primary planet 4 M Uranus at 18 AU orbit around a 0.7M primary star with a 0.15M secondery Poleski et al. 2014
54 Planets in Binary-star systems OGLE-2007-BLG-349 Binary lens model Bennett et al. 2016
55 Planets in Binary-star systems OGLE-2007-BLG-349 Two planet system Circum-binary planet Bennett et al. 2016
56 Planets in Binary-star systems OGLE-2007-BLG-349 Two planet system Circum-binary planet HST During the event After Bennett et al. 2016
57 Planets in Binary-star systems 80 M at 2.6 AU around a pair of M dwarfs in tight, 0.06 AU orbit OGLE-2007-BLG-349 Circum-binary planet Bennett et al. 2016
58 Spitzer as microlens parallax satellite OGLE-2014-BLG-0124 Udalski et al. 2015
59 Spitzer as microlens parallax satellite OGLE-2014-BLG-0124 Udalski et al. 2015
60 Spitzer as microlens parallax satellite OGLE-2015-BLG-0966 Street et al. 2016
61 Spitzer as microlens parallax satellite OGLE-2016-BLG-1195 Bond et al Shvartzvald et al. 2017
62 Spitzer as microlens parallax satellite Physical properties m planet [M ] a [AU] M host [M ] OGLE-2016-BLG-1195 Shvartzvald et al. 2017
63 Spitzer as microlens parallax satellite Physical properties m planet [M ] a [AU] M host [M ] OGLE-2016-BLG-1195 Shvartzvald et al. 2017
64 log(m/m ) Planet formation around ultracool dwarfs Payne & Lodato (2007): Core accretion models around 0.05M star Observationally challenging OB Average planet mass Payne & Lodato (2007) log(a/au)
65 log(m/m ) Planet formation around ultracool dwarfs Payne & Lodato (2007): Core accretion models around 0.05M star Observationally challenging Maximum planet mass Payne & Lodato (2007) log(a/au)
66 log(m/m ) Planet formation around ultracool dwarfs Payne & Lodato (2007): Core accretion models around 0.05M star Observationally challenging Two formation mechanisms? Mass-ratio related? log(a/au)
67 Microlensing planet discoveries vs. year
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