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Browsing by Author "Bozza, V."

Browsing by Author "Bozza, V."

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  • The First Simultaneous Microlensing Observations by Two Space Telescopes: Spitzer and Swift Reveal a Brown Dwarf in Event OGLE-2015-BLG-1319 
    Shvartzvald, Y.; Li, Z.; Udalski, A.; Gould, A.; Sumi, T.; Street, R. A.; Calchi Novati, S.; Hundertmark, M.; Bozza, V.; Beichman, C.; Bryden, G.; Carey, S.; Drummond, J.; Fausnaugh, M.; Gaudi, B. S.; Henderson, C. B.; Tan, T. G.; Wibking, B.; Pogge, R. W.; Yee, Jennifer C.; Zhu, W.; Spitzer Team; Tsapras, Y.; Bachelet, E.; Dominik, M.; Bramich, D. M.; Cassan, A.; Figuera Jaimes, R.; Horne, K.; Ranc, C.; Schmidt, R.; Snodgrass, C.; Wambsganss, J.; Steele, I. A.; Menzies, J.; Mao, S.; RoboNet; Poleski, R.; Pawlak, M.; Szymanski, M. K.; Skowron, J.; Mróz, P.; Kozlowski, S.; Wyrzykowski, L.; Pietrukowicz, P.; Soszynski, I.; Ulaczyk, K.; OGLE Group; Abe, F.; Asakura, Y.; Barry, R. K.; Bennett, D. P.; Bhattacharya, A.; Bond, I. A.; Freeman, M.; Hirao, Y.; Itow, Y.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Fukui, A.; Matsubara, Y.; Muraki, Y.; Nagakane, M.; Nishioka, T.; Ohnishi, K.; Oyokawa, H.; Rattenbury, N. J.; Saito, To; Sharan, A.; Sullivan, D. J.; Suzuki, D.; Tristram, P. J.; Yonehara, A.; Jørgensen, U. G.; Burgdorf, M. J.; Ciceri, S.; D'Ago, G.; Evans, D. F.; Hinse, T. C.; Kains, N.; Kerins, E.; Korhonen, H.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Scarpetta, G.; Skottfelt, J.; Southworth, J.; Peixinho, N.; Verma, P.; MiNDSTEp; Sbarufatti, B.; Kennea, J. A.; Gehrels, N.; Swift (2016)
    Simultaneous observations of microlensing events from multiple locations allow for the breaking of degeneracies between the physical properties of the lensing system, specifically by exploring different regions of the lens ...
  • Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye 
    Wyrzykowski, L.; Mróz, P.; Rybicki, K. A.; Gromadzki, M.; Kolaczkowski, Z.; Zielinski, M.; Zielinski, P.; Britavskiy, N.; Gomboc, A.; Sokolovsky, K.; Hodgkin, S. T.; Abe, L.; Aldi, G. F.; AlMannaei, A.; Altavilla, G.; Al Qasim, A.; Anupama, G. C.; Awiphan, S.; Bachelet, E.; Baki?, V.; Baker, S.; Bartlett, S.; Bendjoya, P.; Benson, K.; Bikmaev, I. F.; Birenbaum, G.; Blagorodnova, N.; Blanco-Cuaresma, Sergi; Boeva, S.; Bonanos, A. Z.; Bozza, V.; Bramich, D. M.; Bruni, I.; Burenin, R. A.; Burgaz, U.; Butterley, T.; Caines, H. E.; Caton, D. B.; Calchi Novati, S.; Carrasco, J. M.; Cassan, A.; Cepas, V.; Cropper, M.; Chruslinska, M.; Clementini, G.; Clerici, A.; Conti, D.; Conti, M.; Cross, S.; Cusano, F.; Damljanovic, G.; Dapergolas, A.; D'Ago, G.; de Bruijne, J. H. J.; Dennefeld, M.; Dhillon, V. S.; Dominik, M.; Dziedzic, J.; Erece, O.; Eselevich, M. V.; Esenoglu, H.; Eyer, L.; Figuera Jaimes, R.; Fossey, S. J.; Galeev, A. I.; Grebenev, S. A.; Gupta, A. C.; Gutaev, A. G.; Hallakoun, N.; Hamanowicz, A.; Han, C.; Handzlik, B.; Haislip, J. B.; Hanlon, L.; Hardy, L. K.; Harrison, D. L.; van Heerden, H. J.; Hoette, V. L.; Horne, K.; Hudec, R.; Hundertmark, M.; Ihanec, N.; Irtuganov, E. N.; Itoh, R.; Iwanek, P.; Jovanovic, M. D.; Janulis, R.; Jelínek, M.; Jensen, E.; Kaczmarek, Z.; Katz, D.; Khamitov, I. M.; Kilic, Y.; Klencki, J.; Kolb, U.; Kopacki, G.; Kouprianov, V. V.; Kruszynska, K.; Kurowski, S.; Latev, G.; Lee, C. -H; Leonini, S.; Leto, G.; Lewis, F.; Li, Z.; Liakos, A.; Littlefair, S. P.; Lu, J.; Manser, C. J.; Mao, S.; Maoz, D.; Martin-Carrillo, A.; Marais, J. P.; Maskoliunas, M.; Maund, J. R.; Meintjes, P. J.; Melnikov, S. S.; Ment, K.; Mikolajczyk, P.; Morrell, M.; Mowlavi, N.; Mozdzierski, D.; Murphy, D.; Nazarov, S.; Netzel, H.; Nesci, R.; Ngeow, C. -C; Norton, A. J.; Ofek, E. O.; Pakštiene, E.; Palaversa, L.; Pandey, A.; Paraskeva, E.; Pawlak, M.; Penny, M. T.; Penprase, B. E.; Piascik, A.; Prieto, J. L.; Qvam, J. K. T.; Ranc, C.; Rebassa-Mansergas, A.; Reichart, D. E.; Reig, P.; Rhodes, L.; Rivet, J. -P; Rixon, G.; Roberts, D.; Rosi, P.; Russell, D. M.; Zanmar Sanchez, R.; Scarpetta, G.; Seabroke, G.; Shappee, B. J.; Schmidt, R.; Shvartzvald, Y.; Sitek, M.; Skowron, J.; Sniegowska, M.; Snodgrass, C.; Soares, P. S.; van Soelen, B.; Spetsieri, Z. T.; Stankeviciute, A.; Steele, I. A.; Street, R. A.; Strobl, J.; Strubble, E.; Szegedi, H.; Tinjaca Ramirez, L. M.; Tomasella, L.; Tsapras, Y.; Vernet, D.; Villanueva, S.; Vince, O.; Wambsganss, J.; van der Westhuizen, I. P.; Wiersema, K.; Wium, D.; Wilson, R. W.; Yoldas, A.; Zhuchkov, R. Ya; Zhukov, D. G.; Zdanavicius, J.; Zola, S.; Zubareva, A. (2020)
    Gaia16aye was a binary microlensing event discovered in the direction towards the northern Galactic disc and was one of the first microlensing events detected and alerted to by the Gaia space mission. Its light curve ...
  • Ground-based Parallax Confirmed by Spitzer: Binary Microlensing Event MOA-2015-BLG-020 
    Wang, Tianshu; Zhu, Wei; Mao, Shude; Bond, I. A.; Gould, A.; Udalski, A.; Sumi, T.; Bozza, V.; Ranc, C.; Cassan, A.; Yee, Jennifer C.; Han, C.; Abe, F.; Asakura, Y.; Barry, R.; Bennett, D. P.; Bhattacharya, A.; Donachie, M.; Evans, P.; Fukui, A.; Hirao, Y.; Itow, Y.; Kawasaki, K.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Miyazaki, S.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Rattenbury, N.; Saito, To; Sharan, A.; Shibai, H.; Sullivan, D. J.; Suzuki, D.; Tristram, P. J.; Yamada, T.; Yonehara, A.; MOA Collaboration; KozLowski, S.; Mróz, P.; Pawlak, M.; Pietrukowicz, P.; Poleski, R.; Skowron, J.; Soszynski, I.; Szymanski, M. K.; Ulaczyk, K.; OGLE Collaboration; Beichman, C.; Bryden, G.; Calchi Novati, S.; Carey, S.; Fausnaugh, M.; Gaudi, B. S.; Henderson, C. B.; Shvartzvald, Y.; Wibking, B.; Spitzer Team; Albrow, M. D.; Chung, S. -J; Hwang, K. -H; Jung, Y. K.; Ryu, Y. -H; Shin, I. -G; Cha, S. -M; Kim, D. -J; Kim, H. -W; Kim, S. -L; Lee, C. -U; Lee, Y.; Park, B. -G; Pogge, R. W.; KMTNet Collaboration; Street, R. A.; Tsapras, Y.; Hundertmark, M.; Bachelet, E.; Dominik, M.; Horne, K.; Figuera Jaimes, R.; Wambsganss, J.; Bramich, D. M.; Schmidt, R.; Snodgrass, C.; Steele, I. A.; Menzies, J.; RoboNet Collaboration (2017)
    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 curve deviates significantly from the lensing model that is based ...
  • Mass Measurements of Isolated Objects from Space-based Microlensing 
    Zhu, Wei; Calchi Novati, S.; Gould, A.; Udalski, A.; Han, C.; Shvartzvald, Y.; Ranc, C.; Jørgensen, U. G.; Poleski, R.; Bozza, V.; Beichman, C.; Bryden, G.; Carey, S.; Gaudi, B. S.; Henderson, C. B.; Pogge, R. W.; Porritt, I.; Wibking, B.; Yee, Jennifer C.; SPITZER Team; Pawlak, M.; Szymanski, M. K.; Skowron, J.; Mróz, P.; Kozlowski, S.; Wyrzykowski, L.; Pietrukowicz, P.; Pietrzynski, G.; Soszynski, I.; Ulaczyk, K.; OGLE Group; Choi, J. -Y; Park, H.; Jung, Y. K.; Shin, I. -G; Albrow, M. D.; Park, B. -G; Kim, S. -L; Lee, C. -U; Cha, S. -M; Kim, D. -J; Lee, Y.; KMTNET Group; Friedmann, M.; Kaspi, S.; Maoz, D.; WISE Group; Hundertmark, M.; Street, R. A.; Tsapras, Y.; Bramich, D. M.; Cassan, A.; Dominik, M.; Bachelet, E.; Dong, Subo; Figuera Jaimes, R.; Horne, K.; Mao, S.; Menzies, J.; Schmidt, R.; Snodgrass, C.; Steele, I. A.; Wambsganss, J.; RoboNeT Team; Skottfelt, J.; Andersen, M. I.; Burgdorf, M. J.; Ciceri, S.; D'Ago, G.; Evans, D. F.; Gu, S. -H; Hinse, T. C.; Kerins, E.; Korhonen, H.; Kuffmeier, M.; Mancini, L.; Peixinho, N.; Popovas, A.; Rabus, M.; Rahvar, S.; Tronsgaard, R.; Scarpetta, G.; Southworth, J.; Surdej, J.; von Essen, C.; Wang, Y. -B; Wertz, O.; MiNDSTEP Group (2016)
    We report on the mass and distance measurements of two single-lens events from the 2015 Spitzer microlensing campaign. With both finite-source effect and microlens parallax measurements, we find that the lens of ...
  • MOA-2020-BLG-208Lb: Cool Sub-Saturn-mass Planet within Predicted Desert 
    Olmschenk, Greg; Bennett, David P.; Bond, Ian A.; Zang, Weicheng; Jung, Youn Kil; Yee, Jennifer C.; Bachelet, Etienne; Abe, Fumio; Barry, Richard K.; Bhattacharya, Aparna; Fujii, Hirosane; Fukui, Akihiko; Hirao, Yuki; Silva, Stela Ishitani; Itow, Yoshitaka; Kirikawa, Rintaro; Kondo, Iona; Koshimoto, Naoki; Matsubara, Yutaka; Matsumoto, Sho; Miyazaki, Shota; Munford, Brandon; Muraki, Yasushi; Okamura, Arisa; Ranc, Clément; Rattenbury, Nicholas J.; Satoh, Yuki; Sumi, Takahiro; Suzuki, Daisuke; Toda, Taiga; Tristram, Paul J.; Vandorou, Aikaterini; Yama, Hibiki; Moa Collaboration; Albrow, Michael D.; Cha, Sang-Mok; Chung, Sun-Ju; Gould, Andrew; Han, Cheongho; Hwang, Kyu-Ha; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; Ryu, Yoon-Hyun; Shin, In-Gu; Shvartzvald, Yossi; Kmtnet Collaboration; Christie, Grant; Cooper, Tony; Drummond, John; Green, Jonathan; Hennerley, Steve; McCormick, Jennie; Monard, L. A. G.; Natusch, Tim; Porritt, Ian; Tan, Thiam-Guan; Microfun Collaboration; Mao, Shude; Maoz, Dan; Penny, Matthew T.; Zhu, Wei; Bozza, V.; Cassan, Arnaud; Dominik, Martin; Hundertmark, Markus; Jaimes, R. Figuera; Kruszynska, K.; Rybicki, K. A.; Street, R. A.; Tsapras, Y.; Wambsganss, Joachim; Wyrzykowski, L; Zielinski, P.; Omega Collaboration; Rau, Gioia (2023)
    We analyze the MOA-2020-BLG-208 gravitational microlensing event and present the discovery and characterization of a new planet, MOA-2020-BLG-208Lb, with an estimated sub-Saturn mass. With a mass ratio $q={3.17}_{-0.26}^ ...
  • OGLE-2015-BLG-0051/KMT-2015-BLG-0048Lb: A Giant Planet Orbiting a Low-mass Bulge Star Discovered by High-cadence Microlensing Surveys 
    Han, C.; Udalski, A.; Gould, A.; Bozza, V.; Jung, Y. K.; Albrow, M. D.; Kim, S. -L; Lee, C. -U; Cha, S. -M; Kim, D. -J; Lee, Y.; Park, B. -G; Shin, I. -G; KMTNet Collaboration; Szymanski, M. K.; Soszynski, I.; Skowron, J.; Mróz, P.; Poleski, R.; Pietrukowicz, P.; Kozlowski, S.; Ulaczyk, K.; Wyrzykowski, L.; Pawlak, M.; OGLE Collaboration (2016)
    We report the discovery of an extrasolar planet detected from the combined data of a microlensing event OGLE-2015-BLG-0051/KMT-2015-BLG-0048 acquired by two microlensing surveys. Despite the fact that the short planetary ...
  • OGLE-2016-BLG-1190Lb: The First Spitzer Bulge Planet Lies Near the Planet/Brown-dwarf Boundary 
    Ryu, Y. -H; Yee, Jennifer C.; Udalski, A.; Bond, I. A.; Shvartzvald, Y.; Zang, W.; Figuera Jaimes, R.; Jørgensen, U. G.; Zhu, W.; Huang, C. X.; Jung, Y. K.; Albrow, M. D.; 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, R. W.; KMTNet Collaboration; Calchi Novati, S.; Carey, S.; Henderson, C. B.; Beichman, C.; Gaudi, B. S.; Spitzer team; Mróz, P.; Poleski, R.; Skowron, J.; Szymanski, M. K.; Soszynski, I.; Kozlowski, S.; Pietrukowicz, P.; Ulaczyk, K.; Pawlak, M.; OGLE Collaboration; Abe, F.; Asakura, Y.; Barry, R.; Bennett, D. P.; Bhattacharya, A.; Donachie, M.; Evans, P.; Fukui, A.; Hirao, Y.; Itow, Y.; Kawasaki, K.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Miyazaki, S.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Ranc, C.; Rattenbury, N. J.; Saito, To; Sharan, A.; Sullivan, D. J.; Sumi, T.; Suzuki, D.; Tristram, P. J.; Yamada, T.; Yamada, T.; Yonehara, A.; MOA Collaboration; Bryden, G.; Howell, S. B.; Jacklin, S.; UKIRT Microlensing Team; Penny, M. T.; Mao, S.; Fouqué, Pascal; Wang, T.; CFHT-K2C9 Microlensing Survey group; Street, R. A.; Tsapras, Y.; Hundertmark, M.; Bachelet, E.; Dominik, M.; Li, Z.; Cross, S.; Cassan, A.; Horne, K.; Schmidt, R.; Wambsganss, J.; Ment, S. K.; Maoz, D.; Snodgrass, C.; Steele, I. A.; RoboNet Team; Bozza, V.; Burgdorf, M. J.; Ciceri, S.; D'Ago, G.; Evans, D. F.; Hinse, T. C.; Kerins, E.; Kokotanekova, R.; Longa, P.; MacKenzie, J.; Popovas, A.; Rabus, M.; Rahvar, S.; Sajadian, S.; Skottfelt, J.; Southworth, J.; von Essen, C.; MiNDSTEp Team (2018)
    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-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk 
    Hirao, Yuki; Bennett, David P.; Ryu, Yoon-Hyun; Koshimoto, Naoki; Udalski, Andrzej; Yee, Jennifer C.; Sumi, Takahiro; Bond, Ian A.; Shvartzvald, Yossi; Abe, Fumio; Barry, Richard K.; Bhattacharya, Aparna; Donachie, Martin; Fukui, Akihiko; Itow, Yoshitaka; Kondo, Iona; Li, Man Cheung Alex; Matsubara, Yutaka; Matsuo, Taro; Miyazaki, Shota; Muraki, Yasushi; Nagakane, Masayuki; Ranc, Clément; Rattenbury, Nicholas J.; Suematsu, Haruno; Shibai, Hiroshi; Suzuki, Daisuke; Tristram, Paul J.; Yonehara, Atsunori; MOA Collaboration; Skowron, J.; Poleski, R.; Mróz, P.; Szymanski, M. K.; Soszynski, I.; Kozlowski, S.; Pietrukowicz, P.; Ulaczyk, K.; Rybicki, K.; Iwanek, P.; OGLE Collaboration; Albrow, Michael D.; Chung, Sun-Ju; Gould, Andrew; Han, Cheongho; Hwang, Kyu-Ha; Jung, Youn Kil; Shin, In-Gu; Zang, Weicheng; Cha, Sang-Mok; Kim, Dong-Jin; Kim, Hyoun-Woo; Kim, Seung-Lee; Lee, Chung-Uk; Lee, Dong-Joo; Lee, Yongseok; Park, Byeong-Gon; Pogge, Richard W.; KMTNet Collaboration; Beichman, Charles A.; Bryden, Geoffery; Novati, Sebastiano Calchi; Carey, Sean; Gaudi, B. Scott; Henderson, Calen B.; Zhu, Wei; Spitzer Team; Bachelet, Etienne; Bolt, Greg; Christie, Grant; Hundertmark, Markus; Natusch, Tim; Maoz, Dan; McCormick, Jennie; Street, Rachel A.; Tan, Thiam-Guan; Tsapras, Yiannis; LCO and µFUN Follow-up Teams; Jørgensen, U. G.; Dominik, M.; Bozza, V.; Skottfelt, J.; Snodgrass, C.; Ciceri, S.; Jaimes, R. Figuera; Evans, D. F.; Peixinho, N.; Hinse, T. C.; Burgdorf, M. J.; Southworth, J.; Rahvar, S.; Sajadian, S.; Rabus, M.; von Essen, C.; Fujii, Y. I.; Campbell-White, J.; Lowry, S.; Helling, C.; Mancini, L.; Haikala, L.; MindSTEp Collaboration; Kandori, Ryo; IRSF Team (2020)
    We report the discovery and analysis of the planetary microlensing event OGLE-2017-BLG-0406, which was observed both from the ground and by the Spitzer satellite in a solar orbit. At high magnification, the anomaly in the ...
  • OGLE-2017-BLG-0482Lb: A Microlensing Super-Earth Orbiting a Low-mass Host Star 
    Han, C.; Hirao, Y.; Udalski, A.; Lee, C. -U; Bozza, V.; Gould, A.; Abe, F.; Barry, R.; Bond, I. A.; Bennett, D. P.; Bhattacharya, A.; Donachie, M.; Evans, P.; Fukui, A.; Itow, Y.; Kawasaki, K.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Matsubara, Y.; Miyazaki, S.; Munakata, H.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Ranc, C.; Rattenbury, N.; Saito, T.; Sharan, A.; Sullivan, D. J.; Sumi, T.; Suzuki, D.; Tristram, P. J.; Yamada, T.; Yonehara, A.; The MOA Collaboration; Mróz, P.; Poleski, R.; Kozlowski, S.; Soszynski, I.; Pietrukowicz, P.; Skowron, J.; Szymanski, M. K.; Ulaczyk, K.; Pawlak, M.; Rybicki, K.; Iwanek, P.; The OGLE Collaboration; Albrow, M. D.; Chung, S. -J; Hwang, K. -H; Jung, Y. K.; Kim, D.; Kim, W. -T; Kim, H. -W; Ryu, Y. -H; Shin, I. -G; Shvartzvald, Y.; Yee, Jennifer C.; Zhu, W.; Cha, S. -M; Kim, S. -L; Kim, D. -J; Lee, D. -J; Lee, Y.; Park, B. -G; Pogge, R. W.; The KMTNet Collaboration (2018)
    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 microlensing event OGLE-2017-BLG-0482, wherein the planet signal ...
  • OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing 
    Li, S. -S; Zang, W.; Udalski, A.; Shvartzvald, Y.; Huber, D.; Lee, C. -U; Sumi, T.; Gould, A.; Mao, S.; Fouqué, P.; Wang, T.; Dong, S.; Jørgensen, U. G.; Cole, A.; Mróz, P.; Szymanski, M. K.; Skowron, J.; Poleski, R.; Soszynski, I.; Pietrukowicz, P.; Kozlowski, S.; Ulaczyk, K.; Rybicki, K. A.; Iwanek, P.; Yee, Jennifer C.; Calchi Novati, S.; Beichman, C. A.; Bryden, G.; Carey, S.; Gaudi, B. S.; Henderson, C. B.; Zhu, W.; Albrow, M. D.; Chung, S. -J; Han, C.; Hwang, K. -H; Jung, Youn Kil; Ryu, Y. -H; Shin, I. -G; Cha, S. -M; Kim, D. -J; Kim, H. -W; Kim, S. -L; Lee, D. -J; Lee, Y.; Park, B. -G; Pogge, R. W.; Bond, I. A.; Abe, F.; Barry, R.; Bennett, D. P.; Bhattacharya, A.; Donachie, M.; Fukui, A.; Hirao, Y.; Itow, Y.; Kondo, I.; Koshimoto, N.; Li, M. C. A.; Matsubara, Y.; Muraki, Y.; Miyazaki, S.; Nagakane, M.; Ranc, C.; Rattenbury, N. J.; Suematsu, H.; Sullivan, D. J.; Suzuki, D.; Tristram, P. J.; Yonehara, A.; Christie, G.; Drummond, J.; Green, J.; Hennerley, S.; Natusch, T.; Porritt, I.; Bachelet, E.; Maoz, D.; Street, R. A.; Tsapras, Y.; Bozza, V.; Dominik, M.; Hundertmark, M.; Peixinho, N.; Sajadian, S.; Burgdorf, M. J.; Evans, D. F.; Figuera Jaimes, R.; Fujii, Y. I.; Haikala, L. K.; Helling, C.; Henning, T.; Hinse, T. C.; Mancini, L.; Longa-Peña, P.; Rahvar, S.; Rabus, M.; Skottfelt, J.; Snodgrass, C.; Southworth, J.; Unda-Sanzana, E.; von Essen, C.; Beaulieu, J. -P; Blackman, J.; Hill, K. (2019)
    We present the analysis of the event OGLE-2017-BLG-1186 from the 2017 Spitzer microlensing campaign. This is a remarkable microlensing event because its source is photometrically bright and variable, which makes it possible ...
  • Precision measurement of a brown dwarf mass in a binary system in the microlensing event. OGLE-2019-BLG-0033/MOA-2019-BLG-035 
    Herald, A.; Udalski, A.; Bozza, V.; Rota, P.; Bond, I. A.; Yee, Jennifer C.; Sajadian, S.; Mróz, P.; Poleski, R.; Skowron, J.; Szymanski, M. K.; Soszynski, I.; Pietrukowicz, P.; Kozlowski, S.; Ulaczyk, K.; Rybicki, K. A.; Iwanek, P.; Wrona, M.; Gromadzki, M.; Ogle Collaboration; Abe, F.; Barry, R.; Bennett, D. P.; Bhattacharya, A.; Fukui, A.; Fujii, H.; Hirao, Y.; Itow, Y.; Kirikawa, R.; Kondo, I.; Koshimoto, N.; Matsubara, Y.; Matsumoto, S.; Miyazaki, S.; Muraki, Y.; Olmschenk, G.; Ranc, C.; Okamura, A.; Rattenbury, N. J.; Satoh, Y.; Sumi, T.; Suzuki, D.; Silva, S. Ishitani; Toda, T.; Tristram, P. J.; Vandorou, A.; Yama, H.; Moa Collaboration; Beichman, C. A.; Bryden, G.; Novati, S. Calchi; Carey, S.; Gaudi, B. S.; Gould, A.; Henderson, C. B.; Johnson, S.; Shvartzvald, Y.; Zhu, W.; Spitzer Team; Dominik, M.; Hundertmark, M.; Jørgensen, U. G.; Longa-Peña, P.; Skottfelt, J.; Tregloan-Reed, J.; Bach-Møller, N.; Burgdorf, M.; D'Ago, G.; Haikala, L.; Hitchcock, J.; Khalouei, E.; Peixinho, N.; Rahvar, S.; Snodgrass, C.; Southworth, J.; Spyratos, P.; Mindstep Consortium; Zang, W.; Yang, H.; Mao, S.; Bachelet, E.; Maoz, D.; Street, R. A.; Tsapras, Y.; Christie, G. W.; Cooper, T.; de Almeida, L.; do Nascimento, J. -D; Green, J.; Han, C.; Hennerley, S.; Marmont, A.; McCormick, J.; Monard, L. A. G.; Natusch, T.; Pogge, R.; LCO and µFUN Collaboration (2022)
    Context. Brown dwarfs are transition objects between stars and planets that are still poorly understood, for which several competing mechanisms have been proposed to describe their formation. Mass measurements are generally ...
  • Space-based Microlens Parallax Observation as a Way to Resolve the Severe Degeneracy between Microlens-parallax and Lens-orbital Effects 
    Han, C.; Udalski, A.; Lee, C. -U; Gould, A.; Bozza, V.; Szymanski, M. K.; Soszynski, I.; Skowron, J.; Mróz, P.; Poleski, R.; Pietrukowicz, P.; Kozlowski, S.; Ulaczyk, K.; Wyrzykowski, L.; Pawlak, M.; OGLE Collaboration; Albrow, M. D.; Chung, S. -J; Kim, S. -L; Cha, S. -M; Jung, Y. K.; Kim, D. -J; Lee, Y.; Park, B. -G; Ryu, Y. -H; Shin, I. -G; Yee, Jennifer C.; The KMTNet Collaboration (2016)
    In this paper, we demonstrate the severity of the degeneracy between the microlens-parallax and lens-orbital effects by presenting the analysis of the gravitational binary-lens event OGLE-2015-BLG-0768. Despite the obvious ...
  • Spitzer Microlens Measurement of a Massive Remnant in a Well-separated Binary 
    Shvartzvald, Y.; Udalski, A.; Gould, A.; Han, C.; Bozza, V.; Friedmann, M.; Hundertmark, M.; Beichman, C.; Bryden, G.; Calchi Novati, S.; Carey, S.; Fausnaugh, M.; Gaudi, B. S.; Henderson, C. B.; Kerr, T.; Pogge, R. W.; Varricatt, W.; Wibking, B.; Yee, Jennifer C.; Zhu, W.; Spitzer team; Poleski, R.; Pawlak, M.; Szymanski, M. K.; Skowron, J.; Mróz, P.; Kozlowski, S.; Wyrzykowski, L.; Pietrukowicz, P.; Pietrzynski, G.; Soszynski, I.; Ulaczyk, K.; OGLE group; Choi, J. -Y; Park, H.; Jung, Y. K.; Shin, I. -G; Albrow, M. D.; Park, B. -G; Kim, S. -L; Lee, C. -U; Cha, S. -M; Kim, D. -J; Lee, Y.; KMTNet group; Maoz, D.; Kaspi, S.; Wise group; Street, R. A.; Tsapras, Y.; Bachelet, E.; Dominik, M.; Bramich, D. M.; Horne, Keith; Snodgrass, C.; Steele, I. A.; Menzies, J.; Figuera Jaimes, R.; Wambsganss, J.; Schmidt, R.; Cassan, A.; Ranc, C.; Mao, S.; Dong, Subo; RoboNet; D'Ago, G.; Scarpetta, G.; Verma, P.; Jørgensen, U. G.; Kerins, E.; Skottfelt, J.; MiNDSTEp (2015)
    We report the detection and mass measurement of a binary lens OGLE-2015-BLG-1285La,b, with the more massive component having M<SUB>1</SUB> &gt; 1.35 M<SUB>?</SUB> (80% probability). A main-sequence star in this mass range ...
  • Spitzer Microlensing Parallax for OGLE-2016-BLG-1067: A Sub-Jupiter Orbiting an M Dwarf in the Disk 
    Calchi Novati, S.; Suzuki, D.; Udalski, A.; Gould, A.; Shvartzvald, Y.; Bozza, V.; Bennett, D. P.; Beichman, C.; Bryden, G.; Carey, S.; Gaudi, B. S.; Henderson, C. B.; Yee, Jennifer C.; Zhu, W.; Spitzer Team; Abe, F.; Asakura, Y.; Barry, R.; Bhattacharya, A.; Bond, I. A.; Donachie, M.; Evans, P.; Fukui, A.; Hirao, Y.; Itow, Y.; Kawasaki, K.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Matsubara, Y.; Miyazaki, S.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Ranc, C.; Rattenbury, N. J.; Saito, To; Sharan, A.; Sullivan, D. J.; Sumi, T.; Tristram, P. J.; Yamada, T.; Yonehara, A.; MOA Collaboration; Mróz, P.; Poleski, R.; Skowron, J.; Szymanski, M. K.; Soszynski, I.; Kozlowski, S.; Pietrukowicz, P.; Ulaczyk, K.; Pawlak, M.; OGLE Collaboration; Albrow, M. D.; Chung, S. -J; Han, C.; Hwang, K. -H; Jung, Youn Kil; Ryu, Y. -H; Shin, In-Gu; 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, R. W.; KMTNet Collaboration (2019)
    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 planetary microlensing anomalies ...
  • The Spitzer Microlensing Program as a Probe for Globular Cluster Planets: Analysis of OGLE-2015-BLG-0448 
    Poleski, Radoslaw; Zhu, Wei; Christie, Grant W.; Udalski, Andrzej; Gould, Andrew; Bachelet, Etienne; Skottfelt, Jesper; Calchi Novati, Sebastiano; Szymanski, M. K.; Soszynski, I.; Pietrzynski, G.; Wyrzykowski, L.; Ulaczyk, K.; Pietrukowicz, P.; Kozlowski, Szymon; Skowron, J.; Mróz, P.; Pawlak, M.; Beichman, C.; Bryden, G.; Carey, S.; Fausnaugh, M.; Gaudi, B. S.; Henderson, C. B.; Pogge, R. W.; Shvartzvald, Y.; Wibking, B.; Yee, Jennifer C.; Beatty, T. G.; Eastman, J. D.; Drummond, J.; Friedmann, M.; Henderson, M.; Johnson, J. A.; Kaspi, S.; Maoz, D.; McCormick, J.; McCrady, N.; Natusch, T.; Ngan, H.; Porritt, I.; Relles, H. M.; Sliski, D. H.; Tan, T. -G; Wittenmyer, R. A.; Wright, J. T.; Street, R. A.; Tsapras, Y.; Bramich, D. M.; Horne, K.; Snodgrass, C.; Steele, I. A.; Menzies, J.; Figuera Jaimes, R.; Wambsganss, J.; Schmidt, R.; Cassan, A.; Ranc, C.; Mao, S.; Bozza, V.; Dominik, M.; Hundertmark, M. P. G.; Jørgensen, U. G.; Andersen, M. I.; Burgdorf, M. J.; Ciceri, S.; D'Ago, G.; Evans, D. F.; Gu, S. -H; Hinse, T. C.; Kains, N.; Kerins, E.; Korhonen, H.; Kuffmeier, M.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Rasmussen, R. T.; Scarpetta, G.; Southworth, J.; Surdej, J.; Unda-Sanzana, E.; Verma, P.; von Essen, C.; Wang, Y. -B; Wertz, O. (2016)
    The microlensing event OGLE-2015-BLG-0448 was observed by Spitzer and lay within the tidal radius of the globular cluster NGC 6558. The event had moderate magnification and was intensively observed, hence it had the potential ...
  • Spitzer Observations of OGLE-2015-BLG-1212 Reveal a New Path toward Breaking Strong Microlens Degeneracies 
    Bozza, V.; Shvartzvald, Y.; Udalski, A.; Calchi Novati, S.; Bond, I. A.; Han, C.; Hundertmark, M.; Poleski, R.; Pawlak, M.; Szymanski, M. K.; Skowron, J.; Mróz, P.; Kozlowski, S.; Wyrzykowski, L.; Pietrukowicz, P.; Soszynski, I.; Ulaczyk, K.; OGLE Group; Beichman, C.; Bryden, G.; Carey, S.; Fausnaugh, M.; Gaudi, B. S.; Gould, A.; Henderson, C. B.; Pogge, R. W.; Wibking, B.; Yee, Jennifer C.; Zhu, W.; Spitzer Team; Abe, F.; Asakura, Y.; Barry, R. K.; Bennett, D. P.; Bhattacharya, A.; Donachie, M.; Freeman, M.; Fukui, A.; Hirao, Y.; Inayama, K.; Itow, Y.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Nagakane, M.; Nishioka, T.; Ohnishi, K.; Oyokawa, H.; Rattenbury, N.; Saito, To; Sharan, A.; Sullivan, D. J.; Sumi, T.; Suzuki, D.; Tristram, P. J.; Wakiyama, Y.; Yonehara, A.; MOA Group; Choi, J. -Y; Park, H.; Jung, Y. K.; Shin, I. -G; Albrow, M. D.; Park, B. -G; Kim, S. -L; Lee, C. -U; Cha, S. -M; Kim, D. -J; Lee, Y.; KMTNet Group; Dominik, M.; Jørgensen, U. G.; Andersen, M. I.; Bramich, D. M.; Burgdorf, M. J.; Ciceri, S.; D'Ago, G.; Evans, D. F.; Figuera Jaimes, R.; Gu, S. -H; Hinse, T. C.; Kains, N.; Kerins, E.; Korhonen, H.; Kuffmeier, M.; Mancini, L.; Popovas, A.; Rabus, M.; Rahvar, S.; Rasmussen, R. T.; Scarpetta, G.; Skottfelt, J.; Snodgrass, C.; Southworth, J.; Surdej, J.; Unda-Sanzana, E.; von Essen, C.; Wang, Y. -B; Wertz, O.; MiNDSTEp; Maoz, D.; Friedmann, M.; Kaspi, S.; Wise Group (2016)
    Spitzer microlensing parallax observations of OGLE-2015-BLG-1212 decisively break a degeneracy between planetary and binary solutions that is somewhat ambiguous when only ground-based data are considered. Only eight viable ...
  • Spitzer Parallax of OGLE-2015-BLG-0966: A Cold Neptune in the Galactic Disk 
    Street, R. A.; Udalski, A.; Calchi Novati, S.; Hundertmark, M. P. G.; Zhu, W.; Gould, A.; Yee, J.; Tsapras, Y.; Bennett, D. P.; RoboNet Project, The; Consortium, MiNDSTEp; Jørgensen, U. G.; Dominik, M.; Andersen, M. I.; Bachelet, E.; Bozza, V.; Bramich, D. M.; Burgdorf, M. J.; Cassan, A.; Ciceri, S.; D'Ago, G.; Dong, Subo; Evans, D. F.; Gu, Sheng-hong; Harkonnen, H.; Hinse, T. C.; Horne, Keith; Figuera Jaimes, R.; Kains, N.; Kerins, E.; Korhonen, H.; Kuffmeier, M.; Mancini, L.; Menzies, J.; Mao, S.; Peixinho, N.; Popovas, A.; Rabus, M.; Rahvar, S.; Ranc, C.; Tronsgaard Rasmussen, R.; Scarpetta, G.; Schmidt, R.; Skottfelt, J.; Snodgrass, C.; Southworth, J.; Steele, I. A.; Surdej, J.; Unda-Sanzana, E.; Verma, P.; von Essen, C.; Wambsganss, J.; Wang, Yi-Bo; Wertz, O.; OGLE Project, The; Poleski, R.; Pawlak, M.; Szymanski, M. K.; Skowron, J.; Mróz, P.; Kozlowski, S.; Wyrzykowski, L.; Pietrukowicz, P.; Pietrzynski, G.; Soszynski, I.; Ulaczyk, K.; Spitzer Team; Beichman, C.; Bryden, G.; Carey, S.; Gaudi, B. S.; Henderson, C. B.; Pogge, R. W.; Shvartzvald, Y.; The MOA Collaboration; Abe, F.; Asakura, Y.; Bhattacharya, A.; Bond, I. A.; Donachie, M.; Freeman, M.; Fukui, A.; Hirao, Y.; Inayama, K.; Itow, Y.; Koshimoto, N.; Li, M. C. A.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Nagakane, M.; Nishioka, T.; Ohnishi, K.; Oyokawa, H.; Rattenbury, N.; Saito, To; Sharan, A.; Sullivan, D. J.; Sumi, T.; Suzuki, D.; Tristram, J.; Wakiyama, Y.; Yonehara, A.; KMTNet Modeling Team; Han, C.; Choi, J. -Y; Park, H.; Jung, Y. K.; Shin, I. -G (2016)
    We report the detection of a cold Neptune m<SUB>planet</SUB> = 21 ± 2 M<SUB>?</SUB> orbiting a 0.38 M<SUB>?</SUB> M dwarf lying 2.5-3.3 kpc toward the Galactic center as part of a campaign combining ground-based and Spitzer ...

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