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List of works by Yiannis Tsapras

A Global Robotic Telescope Network for Time-Domain Science

A Sub-Saturn mass planet, MOA-2009-BLG-319Lb

scientific article published in the Astrophysical Journal

A Super-Jupiter orbiting a late-type star: a refined analysis of microlensing event OGLE-2012-BLG-0406

scientific article published in the Astrophysical Journal

A brown dwarf orbiting an M-dwarf: MOA 2009–BLG–411L

scientific article published in Astronomy and Astrophysics

A candidate super-Earth planet orbiting near the snow line of Barnard’s star

scientific article published in Nature

A census of variability in globular cluster M 68 (NGC 4590)

scientific article published in Astronomy and Astrophysics

A cold neptune-mass planet OGLE-2007-BLG-368Lb: cold neptunes are common

scientific article published in the Astrophysical Journal

A dearth of planetary transits in the direction of NGC 6940

scholarly article

A dynamical study of the circumstellar gas in UX Orionis

scientific article published in Astronomy and Astrophysics

A giant planet beyond the snow line in microlensing event OGLE-2011-BLG-0251

scientific article published in Astronomy and Astrophysics

A new type of ambiguity in the planet and binary interpretations of central perturbations of high-magnification gravitational microlensing events

scientific article published in the Astrophysical Journal

A possible binary system of a stellar remnant in the high-magnification gravitational microlensing event OGLE-2007-BLG-514

scientific article published in the Astrophysical Journal

A spectroscopic follow-up for Gaia19bld

scientific article published on 21 December 2021

A survey for planetary transits in the field of NGC 7789

scholarly article

A systematic fitting scheme for caustic-crossing microlensing events

scientific article

A tale of two GRB-SNe at a common redshift of z=0.54

article

A terrestrial planet candidate in a temperate orbit around Proxima Centauri

scientific article (publication date: 24 August 2016)

ARTEMiS (Automated Robotic Terrestrial Exoplanet Microlensing Search) – Hunting for planets of Earth mass and below

article by Martin Dominik et al published October 2007 in Proceedings of the International Astronomical Union

ARTEMiS (Automated Robotic Terrestrial Exoplanet Microlensing Search): A possible expert-system based cooperative effort to hunt for planets of Earth mass and below

scholarly article

An ingress and a complete transit of HD 80606 b

article by M. G. Hidas et al published May 2010 in Monthly Notices of the Royal Astronomical Society

Binary microlensing event OGLE-2009-BLG-020 gives verifiable mass, distance, and orbit predictions

scientific article published in the Astrophysical Journal

Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey

scholarly article

Can Jupiters be found by monitoring Galactic bulge microlensing events from northern sites?

article

Candidate gravitational microlensing events for future direct lens imaging

scientific article published in the Astrophysical Journal

Characterizing lenses and lensed stars of high-magnification single-lens gravitational microlensing events with lenses passing over source stars

scientific article published in the Astrophysical Journal

Characterizing low-mass binaries from observation of long-timescale caustic-crossing gravitational microlensing events

scientific article published in the Astrophysical Journal

Classical novae from the POINT–AGAPE microlensing survey of M31 – II. Rate and statistical characteristics of the nova population

scientific article

Constraints on Jupiters from observations of Galactic bulge microlensing events during 2000

scientific article

Difference image analysis: extension to a spatially varying photometric scale factor and other considerations

article

Discovery and mass measurements of a cold, 10 earth mass planet and its host star

scientific article published in the Astrophysical Journal

Discovery of a Jupiter/Saturn analog with gravitational microlensing

scientific article

Discovery of a gas giant planet in microlensing event OGLE-2014-BLG-1760

scientific article published in Astronomical Journal

Dynamics of the circumstellar gas in the Herbig Ae stars BF Orionis, SV Cephei, WW Vulpeculae and XY Persei

scientific article published in Astronomy and Astrophysics

EXPORT: Near-IR observations of Vega-type and pre-main sequence stars

scientific article published in Astronomy and Astrophysics

EXPORT: Optical photometry and polarimetry of Vega-type and pre-main sequence stars

scientific article published in Astronomy and Astrophysics

EXPORT: Spectral classification and projected rotational velocities of Vega-type and pre-main sequence stars

scientific article (publication date: October 2001)

Exoplanet discovery and characterisation through robotic follow-up of microlensing events: Season 2010 results

Faint-source-star planetary microlensing: the discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb

scholarly article

First Assessment of the Binary Lens OGLE-2015-BLG-0232

scientific article published in the Astrophysical Journal

Four microlensing giant planets detected through signals produced by minor-image perturbations

scientific article published in July 2024

Frequency of solar-like systems and of ice and gas giants beyond the snow line from high-magnification microlensing events in 2005-2008

scientific article published in the Astrophysical Journal

Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye

scientific article published in January 2020

Gaia 18dvy: A New FUor in the Cygnus OB3 Association

scientific article published on 20 August 2020

Gravitational binary-lens events with prominent effects of lens orbital motion

scientific article published in the Astrophysical Journal

Ground-based Parallax Confirmed by Spitzer: Binary Microlensing Event MOA-2015-BLG-020

scientific article published in the Astrophysical Journal

High-precision photometry by telescope defocussing – VI. WASP-24, WASP-25 and WASP-26★

article

Interpretation of a short-term anomaly in the gravitational microlensing event MOA-2012-BLG-486

scientific article published in the Astrophysical Journal

Interpretation of strong short-term central perturbations in the light curves of moderate-magnification microlensing events

scientific article published in the Astrophysical Journal

Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star

scientific article published on 31 October 2019

Las Cumbres Observatory Global Telescope Network

scholarly article

Limits on additional planetary companions to OGLE 2005-BLG-390L

scientific article published in Astronomy and Astrophysics

MOA 2010-BLG-477Lb: constraining the mass of a microlensing planet from microlensing parallax, orbital motion, and detection of blended light

scientific article published in the Astrophysical Journal

MOA-2007-BLG-197: Exploring the brown dwarf desert

scientific article published in Astronomy and Astrophysics

MOA-2009-BLG-387Lb: a massive planet orbiting an M dwarf

scientific article published in Astronomy and Astrophysics

MOA-2010-BLG-073L: an m-dwarf with a substellar companion at the Planet/Brown dwarf boundary

scientific article published in the Astrophysical Journal

MOA-2010-BLG-311: a planetary candidate below the threshold of reliable detection

scientific article published in the Astrophysical Journal

MOA-2010-BLG-328Lb: a Sub-Neptune orbiting very late M dwarf?

scientific article published in the Astrophysical Journal

MOA-2010-BLG-523: "Failed planet" = RS CVn star

scientific article published in the Astrophysical Journal

MOA-2011-BLG-262Lb: a sub-Earth-mass moon orbiting a gas giant primary or a high velocity planetary system in the galactic bulge

scientific article published in the Astrophysical Journal

MOA-2013-BLG-220Lb: massive planetary companion to galactic-disk host

scientific article (publication date: 27 June 2014)

MOA-2016-BLG-227Lb: A Massive Planet Characterized by Combining Light-curve Analysis and Keck AO Imaging

scientific article published in Astronomical Journal

MOA-2019-BLG-008Lb: A New Microlensing Detection of an Object at the Planet/Brown Dwarf Boundary

scientific article published in 2022

Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050

scientific article published in Astronomy and Astrophysics

Mass measurements of isolated objects from space-based microlensing

scientific article (publication date: 28 June 2016)

Masses and orbital constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn analog planetary system

scientific article published in the Astrophysical Journal

Microlensing binaries discovered through high-magnification channel

scientific article published in the Astrophysical Journal

Microlensing binaries with candidate brown dwarf companions

scientific article published in the Astrophysical Journal

Microlensing discovery of a population of very tight, very low mass binary brown dwarfs

scientific article published in the Astrophysical Journal

Microlensing discovery of a tight, low-mass-ratio planetary-mass object around an old field brown dwarf

scientific article (publication date: 31 October 2013)

OGLE 2008-BLG-290: an accurate measurement of the limb darkening of a galactic bulge K giant spatially resolved by microlensing

scientific article published in Astronomy and Astrophysics

OGLE-2008-BLG-510: first automated real-time detection of a weak microlensing anomaly -- brown dwarf or stellar binary?

scholarly article

OGLE-2009-BLG-092/MOA-2009-BLG-137: a dramatic repeating event with the second perturbation predicted by real-time analysis

scientific article published in the Astrophysical Journal

OGLE-2011-BLG-0265Lb: a jovian microlensing planet orbiting an M dwarf

scientific article published in the Astrophysical Journal

OGLE-2012-BLG-0563Lb: a saturn-mass planet around an M dwarf with the mass constrained by Subaru AO imaging

scientific article published in the Astrophysical Journal

OGLE-2013-BLG-0911Lb: A Secondary on the Brown-Dwarf Planet Boundary around an M-dwarf

scientific article published in 2020

OGLE-2015-BLG-0479LA,B: binary gravitational microlens characterized by simultaneous ground-based and space-based observations

scientific article published in the Astrophysical Journal

OGLE-2015-BLG-1649Lb: A Gas Giant Planet around a Low-mass Dwarf

scientific article published in November 2019

OGLE-2016-BLG-1190Lb: The First Spitzer Bulge Planet Lies Near the Planet/Brown-dwarf Boundary

scientific article published in Astronomical Journal

OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

scientific article published on 23 July 2020

OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

scientific article published on 10 July 2019

OGLE-2018-BLG-0022: A Nearby M-dwarf Binary

OGLE-2018-BLG-1185b : A Low-Mass Microlensing Planet Orbiting a Low-Mass Dwarf

OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet

scientific article published on 6 October 2021

OGLE-LMC-ECL-11893: the discovery of a long-period eclipsing binary with a circumstellar disk

scientific article published in the Astrophysical Journal

On the simultaneous optical and near-infrared variability of pre-main sequence stars

scientific article published in Astronomy and Astrophysics

PATHWAY TO THE GALACTIC DISTRIBUTION OF PLANETS: COMBINED SPITZER AND GROUND-BASED MICROLENS PARALLAX MEASUREMENTS OF 21 SINGLE-LENS EVENTS

scientific article (publication date: 24 April 2015)

POINT-AGAPE pixel lensing survey of M31. Evidence for a MACHO contribution to galactic halos

scientific article published in January 2005

Physical properties and transmission spectrum of the WASP-80 planetary system from multi-colour photometry

scientific article published in Astronomy and Astrophysics

Physical properties of the WASP-67 planetary system from multi-colour photometry

scientific article published in Astronomy and Astrophysics

Precision measurement of a brown dwarf mass in a binary system in the microlensing event

scientific article published in July 2022

Realisation of a fully-deterministic microlensing observing strategy for inferring planet populations

scholarly article

Reanalyses of anomalous gravitational microlensing events in the OGLE-III early warning system database with combined data

scientific article published in the Astrophysical Journal

Red noise versus planetary interpretations in the microlensing event Ogle-2013-BLG-446

scientific article (publication date: 16 October 2015)

Results from the Wide Angle Search for Planets Prototype (WASP0) - II. Stellar variability in the Pegasus field

scientific article

Results from the Wide Angle Search for Planets Prototype (WASP0) -- III. Planet hunting in the Draco field

scientific article

Results from the Wide-Angle Search for Planets prototype (WASP0) - I. Analysis of the Pegasus field

scientific article

RoboNet-II: Follow-up observations of microlensing events with a robotic network of telescopes

scholarly article

RoboTAP: Target priorities for robotic microlensing observations

scientific article published in Astronomy and Astrophysics

SPITZER PARALLAX OF OGLE-2015-BLG-0966: A COLD NEPTUNE IN THE GALACTIC DISK

scientific article (publication date: 2 March 2016)

Searching for planetary transits in the field of open cluster NGC 6819 -- I

scholarly article

Simulator for Microlens Planet Surveys

Single-lens mass measurement in the high-magnification microlensing event Gaia19bld located in the Galactic disc

scientific article published on 21 December 2021

Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

Spitzer microlens measurement of a massive remnant in a well-separated binary

scientific article published in the Astrophysical Journal

THE SPITZER MICROLENSING PROGRAM AS A PROBE FOR GLOBULAR CLUSTER PLANETS: ANALYSIS OF OGLE-2015-BLG-0448

scientific article published in the Astrophysical Journal

The Anomaly in the Candidate Microlensing Event PA‐99‐N2

scientific article published in the Astrophysical Journal

The OGLE-III planet detection efficiency from six years of microlensing observations (2003–2008)

scientific article

The abundance of Galactic planets from OGLE-III 2002 microlensing data

scientific article

The extreme microlensing event OGLE-2007-BLG-224: terrestrial parallax observation of a thick-disk brown dwarf

scientific article published in the Astrophysical Journal

The first circumbinary planet found by microlensing: OGLE-2007-BLG-349L(AB)c

scientific article published in Astronomical Journal

The first simultaneous microlensing observations by two space telescopes: Spitzer and Swift reveal a brown dwarf in event OGLE-2015-BLG-1319

scientific article published in the Astrophysical Journal

Variable stars in the bulge globular cluster NGC 6401

scholarly article

Variable stars in the field of open cluster NGC 6819

scholarly article

Variable stars in the field of open cluster NGC 6819 - II

scientific article