Latest Scientific Results

back

2024-10-09: Limits on planetary-mass primordial black holes from the OGLE high-cadence survey of the Magellanic Clouds
2024-09-19: Observations of microlensed images with dual-field interferometry: on-sky demonstration and prospects
2024-06-24: No massive black holes in the Milky Way halo
2024-06-24: Microlensing Optical Depth and Event Rate toward the Large Magellanic Cloud Based on 20 yr of OGLE Observations
2024-06-13: Blue Large-Amplitude Pulsators and Other Short-Period Variable Stars in OGLE-IV Fields of the Outer Galactic Bulge
2024-04-11: Discovery of the Longest-Period Classical Cepheid in the Milky Way
2023-11-30: Candidates for Transiting Planets in OGLE-IV Galactic Bulge Fields
2023-09-27: Over 15,000 δ Scuti Stars in the Large Magellanic Cloud
2023-09-13: Blue Large-Amplitude Pulsators and Other Short-Period Variable Stars in the OGLE-IV Galactic Disk Fields
2023-01-13: Over 2600 δ Scuti Stars in the Small Magellanic Cloud
2023-01-11: A Three-dimensional Map of the Milky Way Using 66,000 Mira Variable Stars
2022-12-15: New Short-Period δ Scuti Stars in OGLE-IV Fields toward the Galactic Bulge
2022-10-01: Prediscovery of Nova Men 2022
2022-07-25: Systematic errors as a source of mass discrepancy in black hole microlensing event OGLE-2011-BLG-0462
2022-07-18: A "Dormant" Black Hole in a Binary System in the LMC
2022-07-06: An Isolated Mass-gap Black Hole or Neutron Star Detected with Astrometric Microlensing
2022-07-06: An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing
2022-07-01: One Thousand Heartbeat Stars
2022-06-23: The OGLE Collection of Variable Stars. Nearly 66,000 Mira Stars in the Milky Way
2022-05-10: OGLE-2016-BLG-1093Lb: A Sub-Jupiter-mass Spitzer Planet Located in Galactic Bulge
2022-02-10: OGLE-2014-BLG-0319: A Sub-Jupiter-Mass Planetary Event Encountered Degeneracy with Different Mass Ratios and Lens-Source Relative Proper Motions
2021-12-08: Up-to-date list of: Classical Cepheids in the Milky Way
2021-11-10: Multiwavelength properties of Miras
2021-11-08: Over 24 000 δ Scuti Stars in the Galactic Bulge and Disk from the OGLE Survey
2021-10-06: OGLE-2019-BLG-0960Lb: The Smallest Microlensing Planet
2021-06-16: Wide-Orbit Exoplanets are Common. Analysis of Nearly 20 Years of OGLE Microlensing Survey Data
2021-06-03: OGLE-2018-BLG-0567Lb and OGLE-2018-BLG-0962Lb: Two Microlensing Planets through Planetary-Caustic Channel
2021-05-06: Binarity as the Origin of Long Secondary Periods in Red Giant Stars
2021-03-22: Over 10 000 Delta Scuti Stars toward the Galactic Bulge from OGLE-IV (δ Sct)
2021-02-19: KMT-2017-BLG-2820 and the Nature of the Free-Floating Planet Population
2020-09-29: A terrestrial-mass rogue plant candidate detected in the shortest-timescale microlensing event
2020-07-21: Additional Galactic Cepheids from the OGLE Survey
2020-07-20: Milky Way's Old Populations Based on OGLE RR Lyrae Stars
2020-06-05: E(V-I) Reddening Map in the Magellanic System from OGLE-IV Red Clump stars
2020-04-17: Microlensing optical depth and event rate in the OGLE-IV Galactic plane fields
2020-03-04: A free-floating or wide-orbit planet in the microlensing event OGLE-2019-BLG-0551
2020-01-09: Mapping the Northern Galactic Disk Warp with Classical Cepheids
2020-01-07: Over 78 000 RR Lyrae Stars in the Galactic Bulge and Disk
2019-08-27: Discovery of an Outbursting 12.8 Minute Ultracompact X-Ray Binary
2019-08-01: A three-dimensional map of the Milky Way using classical Cepheid variable stars
2019-07-04: OGLE Collection of Galactic Cepheids
2019-06-07: Microlensing optical depth and event rate toward the Galactic bulge from eight years of OGLE-IV observations
2019-03-26: 12 660 spotted stars toward the OGLE Galactic bulge fields
2019-02-06: Two new free-floating or wide-orbit planets from microlensing
2018-12-12: Rotation curve of the Milky Way from Classical Cepheids
2018-12-07: Unconventional origin of supersoft X-ray emission from a white dwarf binary
2018-11-10: V735 Sagittarii as an Active Herbig Ae/Be Object
2018-08-22: An Ice Giant Exoplanet Interpretation of the Anomaly in Microlensing Event OGLE-2011-BLG-0173
2018-06-29: Type II Cepheids in the Magellanic System
2018-05-03: OGLE-2017-BLG-1434Lb: Eighth q<1×10^-4 Mass-Ratio Microlens Planet Confirms Turnover in Planet Mass-Ratio Function
2018-04-30: OGLE-2017-BLG-0373Lb: A Jovian Mass-Ratio Planet Exposes A New Accidental Microlensing Degeneracy
2018-02-09: OGLE-2018-NOVA-01: a Classical (Recurrent) Nova Candidate in the Large Magellanic Cloud
2018-01-17: New Star Clusters in the Magellanic Bridge and the Outskirts of the Small Magellanic Cloud
2017-12-12: OGLE-2016-BLG-1540: A free-floating planet candidate from the OGLE and KMTNet surveys
2017-12-11: Classical, Type II, and Anomalous Cepheids toward the Galactic Center
2017-08-01: Searching for Potential Mergers among OGLE Binary Stars
2017-07-24: No large population of unbound or wide-orbit Jupiter-mass planets
2017-06-30: Concluding Henrietta Leavitt's Work on Classical Cepheids in the Magellanic System
2017-06-26: Blue large-amplitude pulsators (BLAPs) as a new class of variable stars
2017-06-01: MOA-2012-BLG-006: A companion on the planet/brown dwarf mass boundary on a wide orbit
2017-01-11: Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge
2016-12-01: Eclipsing Binaries in the Magellanic System
2016-11-10: OGLE-ing the Magellanic System: 3-D Structure of the Clouds and the Bridge using RR Lyrae Stars
2016-09-29: New Star Clusters in the Outskirts of the Large Magellanic Cloud
2016-08-17: V1213 Centauri: The Awakening of a Classical Nova from Hibernation
2016-08-17: OGLE-2015-BLG-0448: The Spitzer Microlensing Program as a Probe for Globular Cluster Planets
2016-08-02: OGLE-ing the Magellanic System: Photometric Metallicity from Fundamental Mode RR Lyrae Stars
2016-07-18: OGLE-2016-NOVA-02: a New Nova in the Galactic Bulge
2016-07-12: OGLE Study of the Sagittarius Dwarf Spheroidal Galaxy and its M54 Globular Cluster
2016-07-12: OGLE-ing the Magellanic System: 3-D Structure of the Clouds and the Bridge using Classical Cepheids
2016-06-11: Over 45 000 RR Lyrae Stars in the Magellanic System
2016-04-29: MOA-2011-BLG-028Lb: A Neptune-mass Microlensing Planet in the Galactic Bulge
2016-02-26: Black Hole, Neutron Star and White Dwarf Candidates from Microlensing with OGLE-III
2016-01-22: OGLE-2016-NOVA-01: 2016 Eruption of Recurrent Nova LMCN 1968-12a
2016-01-13: One Thousand New Dwarf Novae from the OGLE Survey
2016-01-12: Classical Cepheids in the Magellanic System
2016-01-04: OGLE-IV CVOM System
2015-11-20: Classical Novae in the Magellanic Clouds
2015-11-13: Extremely Metal-Poor Stars in the Milky Way Bulge from the Cosmic Dawn
2015-11-10: No Evidence for Classical Cepheids and a New Dwarf Galaxy Behind the Galactic Disk
2015-09-15: Old Galactic Bulge in 3D from OGLE RR Lyrae Stars
2015-08-26: Anomalous Cepheids in the Magellanic Clouds
2015-05-01: OGLE Atlas of Classical Novae
2015-04-23: OGLE-IV Overview
2015-04-15: Spectroscopy of Puzzling OGLE Variable Stars
2015-03-10: Ultra-Short-Period Binary Systems in the OGLE Fields Toward the Galactic Bulge
2015-03-05: OGLE-2015-NOVA-01: A Possible Classical Nova?
2015-03-02: OGLE-2011-BLG-0265Lb: a Jovian Microlensing Planet Orbiting an M Dwarf
2015-03-01: Spitzer and OGLE 2014 Observing Campaign
2015-02-02: Mass Measurement for the OGLE-2014-BLG-0124L Planet and its Host Star
2015-01-08: Period-Luminosity Relations for Ellipsoidal Binary Stars in the OGLE-III Fields of the Large Magellanic Cloud
2014-10-08: Over 38 000 RR Lyrae Stars in the OGLE Galactic Bulge Fields
2014-09-08: First Uranus-type Extrasolar Planet Revealed by Triple Microlens OGLE-2008-BLG-092L
2014-09-04: OGLE-IV Real-Time Transient Search
2014-08-20: Three Overlooked Novae from 2010-2011
2014-07-03: OGLE-2013-BLG-0341LBb - Cold Terrestrial Planet in a Binary System
2014-05-29: Stellar Populations in the Magellanic Bridge
2014-05-21: Galactic Bulge Structure from the OGLE-III Microlensing Events
2014-05-18: Recurrent and Symbiotic Novae in the OGLE Data
2014-03-27: OGLE-BLG-RRLYR-12245: From a Double- to Single-Mode Pulsation
2014-03-27: OGLE Reference Images
2014-01-02: OGLE-2012-BLG-0406Lb - Super-Jupiter Orbiting Low-Mass Star beyond the Snow Line
2014-01-02: Pulsating Stars in the OGLE-III Galactic Disk Fields
2013-10-22: OGLE-2013-NOVA-02: Bright Nova in the LMC
2013-10-16: Eclipsing Binary Stars in the Small Magellanic Cloud (6138 objects)
2013-08-08: Asymmetric Streaming Motion in the Galactic Bulge X-shaped Structure
2013-08-03: Quasars behind the Magellanic Clouds
2013-07-19: OGLE-2011-BLG-1444 - Is it a Symbiotic Nova?
2013-07-07: Forty New Dwarf Novae in the OGLE-III Galactic Disk Fields
2013-06-27: Eclipsing Binary Stars in the OGLE-III Galactic Disk Fields
2013-06-07: Nova Scorpii 2013 in OGLE-IV Images
2013-04-11: Long-Period Variables in the Galactic Bulge
2013-04-08: OGLE-2002-BLG-360: from a Gravitational Microlensing Candidate to an Overlooked Red Nova
2013-03-07: Very Precise Distance Determination to the Large Magellanic Cloud
2013-01-17: Supernovae and Other Transients in the OGLE-IV Magellanic Bridge Data
2012-11-04: OGLE-2012-NOVA-003: A Possible NOVA in the LMC
2012-10-17: OTDS: OGLE-IV Transient Detection System
2012-10-04: Gaia South Ecliptic Pole Field as Seen by OGLE-IV
2012-08-21: OGLE-2012-NOVA-01: A Possible Classical NOVA
2012-08-08: Interstellar Extinction Toward the Galactic Bulge from OGLE-III Data
2012-08-01: Optical Counterparts to the X-ray Sources in the Galactic Bulge
2012-05-04: Galactic Bulge Population of RR Lyrae Stars
2012-04-16: Catalog of Stellar Proper Motions Toward OGLE-III Magellanic Cloud Fields
2012-04-15: OGLE-IV XROM System
2012-04-15: OGLE-IV RCOM System
2012-04-04: New Type of Pulsating Stars Mimicking RR Lyrae Stars
2012-01-11: Abundance of Cold Bound Exoplanets from Microlensing
2011-12-10: Classical and Type II Cepheids in the Galactic Bulge (32/335 objects)
2011-10-17: High Proper Motion Stars Toward Magellanic Clouds
2011-10-06: Eclipsing Binary Stars in the Large Magellanic Cloud (26 121 objects)
2011-09-08: Long Period Variables in the SMC (19 384 objects)
2011-07-20: VI Maps of the Galactic Bulge Fields (340 million objects)
2011-07-14: Dwarf Novae in OGLE-IV Data
2011-06-15: Optical Depth to the SMC from OGLE-III Data
2011-05-25: OGLE-IV EWS System
2011-05-18: Discovery of Possible Free Floating Planets in the Galaxy
2011-04-11: RR Lyrae Stars in the Galactic Bulge
2011-01-11: VI Photometric Maps of the OGLE-III Galactic Disk Fields
2010-12-15: V1309 Scorpii: Merger of a Contact Binary
2010-11-24: First Precise Determination of the Cepheid Dynamical Mass