Now showing items 1-12 of 12

    • The First Planetary Microlensing Event with Two Microlensed Source Stars 

      Bennett DP; Udalski A; Han C; Bond IA; Beaulieu JP; Skowron J; Gaudi BS; Koshimoto N; Abe F; Asakura Y; Barry RK; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Li MCA; Ling CH; Masuda K; Matsubara Y; Muraki Y; Nagakane M; Ohnishi K; Oyokawa H; Ranc C; Rattenbury NJ; Rosenthal MM; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yonehara A; Szymański MK; Poleski R; Soszyński I; Ulaczyk K; Wyrzykowski; Depoy D; Gould A; Pogge RW; Yee JC; Albrow MD; Bachelet E; Batista V; Bowens-Rubin R; Brillant S; Caldwell JAR; Cole A; Coutures C; Dieters S; Prester DD; Donatowicz J; Fouqué P; Horne K; Hundertmark M; Kains N; Kane SR; Marquette JB; Menzies J; Pollard KR; Ranc C; Sahu KC; Wambsganss J; Williams A; Zub M (2018)
      © 2018. The American Astronomical Society. All rights reserved. We present the analysis of the microlensing event MOA-2010-BLG-117, and show that the light curve can only be explained by the gravitational lensing of a ...
    • Ground-based Parallax Confirmed by Spitzer: Binary Microlensing Event MOA-2015-BLG-020 

      Wang T; Zhu W; Mao S; Bond IA; Gould A; Udalski A; Sumi T; Bozza V; Ranc C; Cassan A; Yee JC; Han C; Abe F; Asakura Y; Barry R; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Miyazaki S; Muraki Y; Nagakane M; Ohnishi K; Rattenbury N; Saito T; Sharan A; Shibai H; Sullivan DJ; Suzuki D; Tristram PJ; Yamada T; Yonehara A; KozŁowski S; Mróz P; Pawlak M; Pietrukowicz P; Poleski R; Skowron J; Soszyński I; Szymański MK; Ulaczyk K; Beichman C; Bryden G; Calchi Novati S; Carey S; Fausnaugh M; Gaudi BS; Henderson CB; Shvartzvald Y; Wibking B; Albrow MD; Chung SJ; Hwang KH; Jung YK; Ryu YH; Shin IG; Cha SM; Kim DJ; Kim HW; Kim SL; Lee CU; Lee Y; Park BG; Pogge RW; Street RA; Tsapras Y; Hundertmark M; Bachelet E; Dominik M; Horne K; Jaimes RF; Wambsganss J; Bramich DM; Schmidt R (2017)
      © 2017. The American Astronomical Society. All rights reserved.. We present the analysis of the binary gravitational microlensing event MOA-2015-BLG-020. The event has a fairly long timescale (∼63 days) and thus the light ...
    • MOA-2015-BLG-337: A Planetary System with a Low-mass Brown Dwarf/Planetary Boundary Host, or a Brown Dwarf Binary 

      Miyazaki S; Sumi T; Bennett DP; Gould A; Udalski A; Bond IA; Koshimoto N; Nagakane M; Rattenbury N; Abe F; Bhattacharya A; Barry R; Donachie M; Fukui A; Hirao Y; Itow Y; Kawasaki K; Li MC; Ling CH; Matsubara Y; Matsuo T; Muraki Y; Ohnishi K; Ranc C; Saito T; Sharan A; Shibai H; Suematsu H; Suzuki D; Sullivan DJ; Tristram PJ; Yamada T; Yonehara A; owski S; Mr'oz P; Pawlak M; Poleski R; Pietrukowicz P; Skowron J; Soszy'nski I; Szyma'nski MK; Ulaczyk K; Albrow MD; Chung S-J; Han C; Jung YK; Hwang K-H; Ryu Y-H; Shin I-G; Shvartzvald Y; Yee JC; Zang W; Zhu W; Cha S-M; Kim D-J; Kim H-W; Kim S-L; Lee C-U; Lee D-J; Lee Y; Park B-G; Pogge RW (2018)
      We report the discovery and the analysis of the short timescale binary-lens microlensing event, MOA-2015-BLG-337. The lens system could be a planetary system with a very low mass host, around the brown dwarf/planetary ...
    • MOA-2016-BLG-319Lb: Microlensing Planet Subject to Rare Minor-image Perturbation Degeneracy in Determining Planet Parameters 

      Han C; Bond IA; Gould A; Albrow MD; Chung S-J; Jung YK; Hwang K-H; Lee C-U; Ryu Y-H; Shin I-G; Shvartzvald Y; Yee JC; Cha S-M; Kim D-J; Kim H-W; Kim S-L; Lee D-J; Lee Y; Park B-G; Pogge RW; Kim C-H; Abe F; Barry R; Bennett DP; Bhattacharya A; Donachie M; Fukui A; Hirao Y; Itow Y; Kawasaki K; Kondo I; Koshimoto N; Li MCA; Matsubara Y; Muraki Y; Miyazaki S; Nagakane M; Ranc C; Rattenbury NJ; Suematsu H; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yonehara A; Collaboration K; Collaboration MOA (2018)
      © 2018. The American Astronomical Society. All rights reserved. We present the analysis of the planetary microlensing event MOA-2016-BLG-319. The event light curve is characterized by a brief (∼3 days) anomaly near the ...
    • OGLE-2015-BLG-1459L: The Challenges of Exo-Moon Microlensing 

      Hwang K-H; Udalski A; Bond IA; Albrow MD; Chung S-J; Gould A; Han C; Jung YK; Ryu Y-H; Shin I-G; Yee JC; Zhu W; Cha S-M; Kim D-J; Kim H-W; Kim S-L; Lee C-U; Lee D-J; Lee Y; Park B-G; Pogge RW; Pawlak M; Poleski R; Szymański MK; Skowron J; Soszyński I; Mróz P; Kozłowski S; Pietrukowicz P; Ulaczyk K; Abe F; Asakura Y; Barry R; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Miyazaki S; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury NJ; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yamada T; Yamada T; Yonehara A (2017)
      We show that dense OGLE and KMTNet $I$-band survey data require four bodies (sources plus lenses) to explain the microlensing light curve of OGLE-2015-BLG-1459. However, these can equally well consist of three lenses ...
    • OGLE-2016-BLG-0263Lb: Microlensing Detection of a Very Low-mass Binary Companion through a Repeating Event Channel 

      Han C; Udalski A; Gould A; Bond IA; Albrow MD; Chung SJ; Jung YK; Ryu YH; Shin IG; Yee JC; Zhu W; Cha SM; Kim SL; Kim DJ; Lee CU; Lee Y; Park BG; Skowron J; Mróz P; Pietrukowicz P; Kozłowski S; Poleski R; Szymański MK; Soszyński I; Ulaczyk K; Pawlak M; Abe F; Asakura Y; Barry R; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury NJ; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yamada T; Yamada T; Yonehara A (2017)
      © 2017. The American Astronomical Society. All rights reserved. We report the discovery of a planet-mass companion to the microlens OGLE-2016-BLG-0263L. Unlike most lowmass companions that were detected through perturbations ...
    • OGLE-2016-BLG-1003: First Resolved Caustic-crossing Binary-source Event Discovered by Second-generation Microlensing Surveys 

      Jung YK; Udalski A; Bond IA; Yee JC; Gould A; Han C; Albrow MD; Lee CU; Kim SL; Hwang KH; Chung SJ; Ryu YH; Shin IG; Zhu W; Cha SM; Kim DJ; Lee Y; Park BG; Kim HW; Pogge RW; Skowron J; Szymański MK; Poleski R; Mróz P; Kozłowski S; Pietrukowicz P; Soszyński I; Ulaczyk K; Pawlak M; Abe F; Bennett DP; Barry R; Sumi T; Asakura Y; Bhattacharya A; Donachie M; Fukui A; Hirao Y; Itow Y; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Muraki Y; Nagakane M; Rattenbury NJ; Evans P; Sharan A; Sullivan DJ; Suzuki D; Tristram PJ; Yamada T; Yamada T; Yonehara A (2017)
      We report the analysis of the first resolved caustic-crossing binary-source microlensing event OGLE-2016-BLG-1003. The event is densely covered by the round-the-clock observations of three surveys. The light curve is ...
    • OGLE-2016-BLG-1190Lb: First Spitzer Bulge Planet Lies Near the Planet/Brown-Dwarf Boundary 

      Ryu Y-H; Yee JC; Udalski A; Bond IA; Shvartzvald Y; Zang W; Jaimes RF; Jorgensen UG; Zhu W; Huang CX; Jung YK; Albrow MD; Chung S-J; Gould A; Han C; Hwang K-H; Shin I-G; Cha S-M; Kim D-J; Kim H-W; Kim S-L; Lee C-U; Lee D-J; Lee Y; Park B-G; Pogge RW; Novati SC; Carey S; Henderson CB; Beichman C; Gaudi BS; Mróz P; Poleski R; Skowron J; Szymanski MK; Soszynski I; Kozlowski S; Pietrukowicz P; Ulaczyk K; Pawlak M; Abe F; Asakura Y; Barry R; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Miyazaki S; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury NJ; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yamada T; Yamada T; Yonehara A; Bryden G; Howell SB; Jacklin S; Penny MT; Mao S; Fouque P; Wang T; Street RA; Tsapras Y; Hundertmark M; Bachelet E; Dominik M; Li Z; Cross S; Cassan A; Horne K; Schmidt R; Wambsganss J; Ment SK; Maoz D; Snodgrass C; Steele IA; Bozza V; Burgdorf MJ; Ciceri S; D'Ago G; Evans DF; Hinse TC; Kerins E; Kokotanekova R; Longa P; MacKenzie J; Popovas A; Rabus M; Rahvar S; Sejadian S; Skottfelt J; Southworth J; Essen CV (2017)
      We report the discovery of OGLE-2016-BLG-1190Lb, which is likely to be the first Spitzer microlensing planet in the Galactic bulge/bar, an assignation that can be confirmed by two epochs of high-resolution imaging of the ...
    • OGLE-2016-BLG-1469L: Microlensing Binary Composed of Brown Dwarfs 

      Han C; Udalski A; Sumi T; Gould A; Albrow MD; Chung SJ; Jung YK; Ryu YH; Shin IG; Yee JC; Zhu W; Cha SM; Kim SL; Kim DJ; Lee CU; Lee Y; Park BG; Soszyński I; Mróz P; Pietrukowicz P; Szymański MK; Skowron J; Poleski R; Kozłowski S; Ulaczyk K; Pawlak M; Abe F; Asakura Y; Bennett DP; Bond IA; Bhattacharya A; Donachie M; Freeman M; Fukui A; Hirao Y; Itow Y; Koshimoto N; Li MCA; Ling CH; Masuda K; Matsubara Y; Muraki Y; Nagakane M; Ohnishi K; Oyokawa H; Rattenbury NJ; Saito T; Sharan A; Sullivan DJ; Suzuki D; Tristram PJ; Yamada T; Yamada T; Yonehara A; Barry R (2017)
      © 2017. The American Astronomical Society. All rights reserved. We report the discovery of a binary composed of two brown dwarfs, based on the analysis of the microlensing event OGLE-2016-BLG-1469. Thanks to the detection ...
    • OGLE-2017-BLG-0039: Microlensing Event with Light from a Lens Identified from Mass Measurement 

      Han C; Jung YK; Udalski A; Bond I; Bozza V; Albrow MD; Chung SJ; Gould A; Hwang KH; Kim D; Lee CU; Kim HW; Ryu YH; Shin IG; Yee JC; Shvartzvald Y; Cha SM; Kim SL; Kim DJ; Lee DJ; Lee Y; Park BG; Pogge RW; Szymański MK; Mróz P; Skowron J; Poleski R; Soszyński I; Kozłowski S; Pietrukowicz P; Ulaczyk K; Pawlak M; Abe F; Barry R; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Matsubara Y; Miyazaki S; Munakata H; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury N; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yamada T; Yonehara A (2018)
      © 2018. The American Astronomical Society. All rights reserved. We present an analysis of the caustic-crossing binary microlensing event OGLE-2017-BLG-0039. Thanks to the very long duration of the event, with a time scale ...
    • OGLE-2017-BLG-0482Lb: A Microlensing Super-Earth Orbiting a Low-mass Host Star 

      Han C; Hirao Y; Udalski A; Lee CU; Bozza V; Gould A; Abe F; Barry R; Bond IA; Bennett DP; Bhattacharya A; Donachie M; Evans P; Fukui A; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Matsubara Y; Miyazaki S; Munakata H; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury N; Saito T; Sharan A; Sullivan DJ; Sumi T; Suzuki D; Tristram PJ; Yamada T; Yonehara A; Mróz P; Poleski R; Kozłowski S; Soszyński I; Pietrukowicz P; Skowron J; Szymański MK; Ulaczyk K; Pawlak M; Rybicki K; Iwanek P; Albrow MD; Chung SJ; Hwang KH; Jung YK; Kim D; Kim WT; Kim HW; Ryu YH; Shin IG; Shvartzvald Y; Yee JC; Zhu W; Cha SM; Kim SL; Kim DJ; Lee DJ; Lee Y; Park BG; Pogge RW (2018)
      © 2018. The American Astronomical Society. All rights reserved. We report the discovery of a planetary system in which a super-Earth orbits a late M-dwarf host. The planetary system was found from the analysis of the ...
    • Spitzer Microlensing Parallax for OGLE-2016-BLG-1067: a sub-Jupiter Orbiting an M-dwarf in the Disk 

      Novati SC; Suzuki D; Udalski A; Gould A; Shvartzvald Y; Bozza V; Bennett DP; Beichman C; Bryden G; Carey S; Gaudi BS; Henderson CB; Yee JC; Zhu W; Abe F; Asakura Y; Barry R; Bhattacharya A; Bond IA; Donachie M; Evans P; Fukui A; Hirao Y; Itow Y; Kawasaki K; Koshimoto N; Li MCA; Ling CH; Matsubara Y; Miyazaki S; Muraki Y; Nagakane M; Ohnishi K; Ranc C; Rattenbury NJ; Saito T; Sharan A; Sullivan DJ; Sumi T; Tristram PJ; Yamada T; Yonehara A; Mróz P; Poleski R; Skowron J; Szymański MK; Soszyński I; Kozłowski S; Pietrukowicz P; Ulaczyk K; Pawlak M; Albrow MD; Chung S-J; Han C; Hwang K-H; Jung YK; Ryu Y-H; Shin I-G; Zang W; Cha S-M; Kim D-J; Kim H-W; Kim S-L; Lee C-U; Lee D-J; Lee Y; Park B-G; Pogge RW (2018)
      We report the discovery of a sub-Jupiter mass planet orbiting beyond the snow line of an M-dwarf most likely in the Galactic disk as part of the joint Spitzer and ground-based monitoring of microlensing planetary anomalies ...