Search Results - "Kozlowski, Szymon"

A degeneracy in DRW modelling of AGN light curves by Kozlowski, Szymon

“…Individual light curves of active galactic nuclei (AGNs) are nowadays successfully modelled with the damped random walk (DRW) stochastic process, characterized…”
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REVISITING STOCHASTIC VARIABILITY OF AGNs WITH STRUCTURE FUNCTIONS by Koz owski, Szymon

“…ABSTRACT Discrepancies between reported structure function (SF) slopes and their overall flatness as compared to the expectations from the damped random walk…”
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A Method to Measure the Unbiased Decorrelation Timescale of the AGN Variable Signal from Structure Functions by Koz owski, Szymon

“…A simple, model-independent method to quantify the stochastic variability of active galactic nuclei (AGNs) is the structure function (SF) analysis. If the SF…”
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Mid-infrared Period–Luminosity Relations for Miras in the Large Magellanic Cloud by Iwanek, Patryk, Soszyński, Igor, Kozłowski, Szymon

“…Abstract We present the mid-infrared (mid-IR) period–luminosity relations (PLRs) using over 1000 Mira variables in the Large Magellanic Cloud, for the four…”
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No large population of unbound or wide-orbit Jupiter-mass planets by Mróz, Przemek, Udalski, Andrzej, Skowron, Jan, Poleski, Radosław, Kozłowski, Szymon, Szymański, Michał K., Soszyński, Igor, Wyrzykowski, Łukasz, Pietrukowicz, Paweł, Ulaczyk, Krzysztof, Skowron, Dorota, Pawlak, Michał

“…In an analysis of a large sample of microlensing events, a few suggest the existence of Earth-mass free-floating planets, but only the expected number of…”
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The Proper Motion Field of the Small Magellanic Cloud: Kinematic Evidence for Its Tidal Disruption by Zivick, Paul, Kallivayalil, Nitya, van der Marel, Roeland P., Besla, Gurtina, Linden, Sean T., Koz owski, Szymon, Fritz, Tobias K., Kochanek, C. S., Anderson, J., Sohn, Sangmo Tony, Geha, Marla C., Alcock, Charles R.

“…We present a new measurement of the systemic proper motion of the Small Magellanic Cloud (SMC), based on an expanded set of 30 fields containing background…”
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From Brush to Dendritic Structure: Tool for Tunable Interfacial Compatibility between the Iron-Based Particles and Silicone Oil in Magnetorheological Fluids by Kozłowski, Szymon, Osička, Josef, Ilcikova, Marketa, Galeziewska, Monika, Mrlik, Miroslav, Pietrasik, Joanna

“…Comprehensive magnetic particle stability together with compatibility between them and liquid medium (silicone oil) is still a crucial issue in the case of…”
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An Isolated Mass-gap Black Hole or Neutron Star Detected with Astrometric Microlensing by Lam, Casey Y., Lu, Jessica R., Udalski, Andrzej, Bond, Ian, Bennett, David P., Skowron, Jan, Mróz, Przemek, Poleski, Radek, Sumi, Takahiro, Szymański, Michał K., Kozłowski, Szymon, Pietrukowicz, Paweł, Soszyński, Igor, Ulaczyk, Krzysztof, Wyrzykowski, Łukasz, Miyazaki, Shota, Suzuki, Daisuke, Koshimoto, Naoki, Rattenbury, Nicholas J., Hosek, Matthew W., Abe, Fumio, Barry, Richard, Bhattacharya, Aparna, Fukui, Akihiko, Fujii, Hirosane, Hirao, Yuki, Itow, Yoshitaka, Kirikawa, Rintaro, Kondo, Iona, Matsubara, Yutaka, Matsumoto, Sho, Muraki, Yasushi, Olmschenk, Greg, Ranc, Clément, Okamura, Arisa, Satoh, Yuki, Silva, Stela Ishitani, Toda, Taiga, Tristram, Paul J., Vandorou, Aikaterini, Yama, Hibiki, Abrams, Natasha S., Agarwal, Shrihan, Rose, Sam, Terry, Sean K.

“…We present the analysis of five black hole candidates identified from gravitational microlensing surveys. Hubble Space Telescope astrometric data and densely…”
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The OGLE Collection of Variable Stars: Nearly 66,000 Mira Stars in the Milky Way by Iwanek, Patryk, Soszyński, Igor, Kozłowski, Szymon, Poleski, Radosław, Pietrukowicz, Paweł, Skowron, Jan, Wrona, Marcin, Mróz, Przemysław, Udalski, Andrzej, Szymański, Michał K., Skowron, Dorota M., Ulaczyk, Krzysztof, Gromadzki, Mariusz, Rybicki, Krzysztof, Ratajczak, Milena

“…Abstract We present a collection of 65,981 Mira-type variable stars found in the Optical Gravitational Lensing Experiment (OGLE) project database. Two-thirds…”
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Quasar Main Sequence in the UV Plane by niegowska, Marzena, Koz owski, Szymon, Czerny, Bo ena, Panda, Swayamtrupta, Hryniewicz, Krzysztof

“…Active galaxies form a clear pattern in the optical plane showing the correlation between the FWHM of the Hβ line and the ratio of the equivalent width (EW) of…”
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No massive black holes in the Milky Way halo by Mróz, Przemek, Udalski, Andrzej, Szymański, Michał K., Soszyński, Igor, Wyrzykowski, Łukasz, Pietrukowicz, Paweł, Kozłowski, Szymon, Poleski, Radosław, Skowron, Jan, Skowron, Dorota, Ulaczyk, Krzysztof, Gromadzki, Mariusz, Rybicki, Krzysztof, Iwanek, Patryk, Wrona, Marcin, Ratajczak, Milena

“…The gravitational wave detectors have shown a population of massive black holes that do not resemble those observed in the Milky Way 1 – 3 and whose origin is…”
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TRIPLE MICROLENS OGLE-2008-BLG-092L: BINARY STELLAR SYSTEM WITH A CIRCUMPRIMARY URANUS-TYPE PLANET by POLESKI, RADOSLLAW, Skowron, Jan, Udalski, Andrzej, HAN, CHEONGHO, KOZLLOWSKI, SZYMON, Wyrzykowski, Lukasz, DONG, SUBO, SZYMANSKI, MICHALL K, Kubiak, Marcin, Pietrzynski, Grzegorz, Soszynski, Igor, ULACZYK, KRZYSZTOF, PIETRUKOWICZ, PAWELL, Gould, Andrew

“…We present the gravitational microlensing discovery of a 4 M sub(Uranus) planet that orbits a 0.7 M sub([middot in circle])star at approximately 18AU. This is…”
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OGLE-ing the Magellanic System: RR Lyrae Stars in the Bridge by Jacyszyn-Dobrzeniecka, Anna M., Mróz, Przemek, Kruszyńska, Katarzyna, Soszyński, Igor, Skowron, Dorota M., Udalski, Andrzej, Szymański, Michał K., Iwanek, Patryk, Skowron, Jan, Pietrukowicz, Paweł, Poleski, Radosław, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof, Wrona, Marcin

“…Abstract We use the extended and updated Optical Gravitational Lensing Experiment (OGLE) Collection of Variable Stars to thoroughly analyze the distribution of…”
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Systematic KMTNet planetary anomaly search. IV. Complete sample of 2019 prime-field by Zang, Weicheng, Yang, Hongjing, Han, Cheongho, Lee, Chung-Uk, Udalski, Andrzej, Gould, Andrew, Mao, Shude, Zhang, Xiangyu, Zhu, Wei, Albrow, Michael D, Chung, Sun-Ju, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Shvartzvald, Yossi, Yee, Jennifer C, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Pogge, Richard W, Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K, Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A, Iwanek, Patryk, Wrona, Marcin, Gromadzki, Mariusz

“…ABSTRACT We report the complete statistical planetary sample from the prime fields (Γ ≥ 2 h−1) of the 2019 Korea Microlensing Telescope Network (KMTNet)…”
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Discovery of 5000 Active Galactic Nuclei Behind the Magellanic Clouds by Kozłowski, Szymon, Kochanek, Christopher S

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The OGLE Collection of Variable Stars: One Thousand Heartbeat Stars in the Galactic Bulge and Magellanic Clouds by Wrona, Marcin, Ratajczak, Milena, Kołaczek-Szymański, Piotr A., Kozłowski, Szymon, Soszyński, Igor, Iwanek, Patryk, Udalski, Andrzej, Szymański, Michał K., Pietrukowicz, Paweł, Skowron, Dorota M., Skowron, Jan, Mróz, Przemek, Poleski, Radosław, Gromadzki, Mariusz, Ulaczyk, Krzysztof, Rybicki, Krzysztof

“…Abstract We present a collection of 991 heartbeat star (HBS) candidates found in the Optical Gravitational Lensing Experiment (OGLE) project data archive. We…”
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QUASAR VARIABILITY IN THE MID-INFRARED by Koz owski, Szymon, Kochanek, Christopher S., Ashby, Matthew L. N., Assef, Roberto J., Brodwin, Mark, Eisenhardt, Peter R., Jannuzi, Buell T., Stern, Daniel

“…ABSTRACT The Decadal IRAC Boötes Survey is a mid-IR variability survey of the ∼9 sq. deg. of the NDWFS Boötes Field and extends the time baseline of its…”
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An X-ray-quiet black hole born with a negligible kick in a massive binary within the Large Magellanic Cloud by Shenar, Tomer, Sana, Hugues, Mahy, Laurent, El-Badry, Kareem, Marchant, Pablo, Langer, Norbert, Hawcroft, Calum, Fabry, Matthias, Sen, Koushik, Almeida, Leonardo A., Abdul-Masih, Michael, Bodensteiner, Julia, Crowther, Paul A., Gieles, Mark, Gromadzki, Mariusz, Hénault-Brunet, Vincent, Herrero, Artemio, Koter, Alex de, Iwanek, Patryk, Kozłowski, Szymon, Lennon, Daniel J., Apellániz, Jesús Maíz, Mróz, Przemysław, Moffat, Anthony F. J., Picco, Annachiara, Pietrukowicz, Paweł, Poleski, Radosław, Rybicki, Krzysztof, Schneider, Fabian R. N., Skowron, Dorota M., Skowron, Jan, Soszyński, Igor, Szymański, Michał K., Toonen, Silvia, Udalski, Andrzej, Ulaczyk, Krzysztof, Vink, Jorick S., Wrona, Marcin

“…Stellar-mass black holes are the final remnants of stars born with more than 15 solar masses. Billions are expected to reside in the Local Group, yet only a…”
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Systematic KMTNet Planetary Anomaly Search. VI. Complete Sample of 2018 Sub-prime-field Planets by Kil Jung, Youn, Zang, Weicheng, Han, Cheongho, Gould, Andrew, Udalski, Andrzej, Albrow, Michael D., Chung, Sun-Ju, Hwang, Kyu-Ha, Ryu, Yoon-Hyun, Shin, In-Gu, Shvartzvald, Yossi, Yang, Hongjing, Yee, Jennifer C., Cha, Sang-Mok, Kim, Dong-Jin, Kim, Seung-Lee, Lee, Chung-Uk, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Pogge, Richard W., Mróz, Przemek, Szymański, Michał K., Skowron, Jan, Poleski, Radek, Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Wrona, Marcin

“…Abstract We complete the analysis of all 2018 sub-prime-field microlensing planets identified by the KMTNet AnomalyFinder. Among the 9 previously unpublished…”
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Blue large-amplitude pulsators as a new class of variable stars by Pietrukowicz, Paweł, Dziembowski, Wojciech A., Latour, Marilyn, Angeloni, Rodolfo, Poleski, Radosław, di Mille, Francesco, Soszyński, Igor, Udalski, Andrzej, Szymański, Michał K., Wyrzykowski, Łukasz, Kozłowski, Szymon, Skowron, Jan, Skowron, Dorota, Mróz, Przemek, Pawlak, Michał, Ulaczyk, Krzysztof

“…Regular intrinsic brightness variations observed in many stars are caused by pulsations. These pulsations provide information on the global and structural…”
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