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Authors whose works are in public domain in at least one jurisdiction

List of works by Aparna Bhattacharya

1-50 of 83 results

Systematic KMTNet planetary anomaly search

scientific article published in August 2022

Systematic KMTNet Planetary Anomaly Search, Paper II: Six New $q<2\times 10^{-4}$ Mass-ratio Planets

Four sub-Jovian-mass planets detected by high-cadence microlensing surveys

scientific article published in August 2022

Systematic KMTNet Planetary Anomaly Search. I. OGLE-2019-BLG-1053Lb, a Buried Terrestrial Planet

scientific article published on 24 September 2021

Brown-dwarf companions in microlensing binaries detected during the 2016--2018 seasons

scientific article published in 2022

OGLE-2015-BLG-1670Lb: A Cold Neptune beyond the Snow Line in the Provisional WFIRST Microlensing Survey Field

scientific article

MOA-2016-BLG-319Lb: Microlensing Planet Subject to Rare Minor-image Perturbation Degeneracy in Determining Planet Parameters

scientific article published in Astronomical Journal

Spitzer Microlensing of MOA-2016-BLG-231L: A Counter-rotating Brown Dwarf Binary in the Galactic Disk

scientific article

KMT-2021-BLG-1077L: The fifth confirmed multiplanetary system detected by microlensing

scientific article published in June 2022

Mass Production of 2021 KMTNet Microlensing Planets III: Analysis of Three Giant Planets

scientific article published in 2023

An Earth-mass Planet in a Time of Covid-19: KMT-2020-BLG-0414Lb

scientific article published in 2021

OGLE-2018-BLG-1011Lb,c: Microlensing Planetary System with Two Giant Planets Orbiting a Low-mass Star

scientific article published on 19 August 2019

KMT-2019-BLG-0842Lb: A Cold Planet Below the Uranus/Sun Mass Ratio

scientific article published in 2020

OGLE-2016-BLG-1093Lb: A Sub-Jupiter-mass Spitzer Planet Located in Galactic Bulge

A Planetary Microlensing Event with an Unusually Red Source Star: MOA-2011-BLG-291

scientific article published in Astronomical Journal

A Wide-orbit Exoplanet OGLE-2012-BLG-0838Lb

scientific article published on 14 May 2020

OGLE-2018-BLG-1269Lb: A Jovian Planet With A Bright, $I=16$ Host

OGLE-2018-BLG-1700L: Microlensing Planet in Binary Stellar System

scientific article published on 13 January 2020

New Giant Planet beyond the Snow Line for an Extended MOA Exoplanet Microlens Sample

KMT-2021-BLG-0171Lb and KMT-2021-BLG-1689Lb: Two Microlensing Planets in the KMTNet High-cadence Fields with Followup Observations

scientific article published on 21 July 2022

Two new free-floating or wide-orbit planets from microlensing

scientific article

Revisiting MOA 2013-BLG-220L: A Solar-type Star with a Cold Super-Jupiter Companion

scientific article published on 17 August 2020

KMT-2021-BLG-0912Lb: A microlensing super Earth around a K-type star

scientific article published in 2022

KMT-2019-BLG-0371 and the Limits of Bayesian Analysis

scientific article published on 15 June 2021

KMT-2021-BLG-0322: Severe degeneracy between triple-lens and higher-order binary-lens interpretations

scientific article published in November 2021

One Planet or Two Planets? The Ultra-sensitive Extreme-magnification Microlensing Event KMT-2019-BLG-1953

scientific article published in 2020

OGLE-2014-BLG-0319: A Sub-Jupiter-Mass Planetary Event Encountered Degeneracy with Different Mass Ratios and Lens-Source Relative Proper Motions

Spectroscopic Mass and Host-star Metallicity Measurements for Newly Discovered Microlensing Planet OGLE-2018-BLG-0740Lb

MOA-2007-BLG-400 A Super-Jupiter-mass Planet Orbiting a Galactic Bulge K-dwarf Revealed by Keck Adaptive Optics Imaging

scientific article published on 15 July 2021

OGLE-2014-BLG-0962 and a Comparison of Galactic Model Priors to Microlensing Data

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

scientific article published in 2022

Microlensing Results Challenge the Core Accretion Runaway Growth Scenario for Gas Giants

scholarly article

OGLE-2017-BLG-1049: Another giant planet microlensing event

MOA-2020-BLG-135Lb: A New Neptune-class Planet for the Extended MOA-II Exoplanet Microlens Statistical Analysis

scientific article published on 31 August 2022

KMT-2019-BLG-1715: Planetary Microlensing Event with Three Lens Masses and Two Source Stars

scientific article published on 19 May 2021

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

scientific article published on 6 October 2021

Candidate Brown-dwarf Microlensing Events with Very Short Timescales and Small Angular Einstein Radii

scientific article published on 28 February 2020

OGLE-2018-BLG-0799Lb: a q∼2.7×10⁻³ planet with Spitzer parallax

scientific article published on 14 June 2022

OGLE-2016-BLG-0156: Microlensing Event with Pronounced Microlens-parallax Effects Yielding a Precise Lens Mass Measurement

scholarly article

A Gas Giant Planet in the OGLE-2006-BLG-284L Stellar Binary System

scientific article published on 17 July 2020

An Isolated Mass-gap Black Hole or Neutron Star Detected with Astrometric Microlensing

scientific article published in July 2022

MOA-2022-BLG-249Lb: Nearby microlensing super-Earth planet detected from high-cadence surveys

scientific article published in 2023

KMT-2022-BLG-0440Lb: A New $q < 10^{-4}$ Microlensing Planet with the Central-Resonant Caustic Degeneracy Broken

Systematic Reanalysis of KMTNet microlensing events, Paper I: Updates of the Photometry Pipeline and a New Planet Candidate

Adaptive Optics Imaging Breaks the Central Caustic Cusp Approach Degeneracy in High Magnification Microlensing Events

OGLE-2016-BLG-1195Lb: A Sub-Neptune Beyond the Snow Line of an M-dwarf Confirmed by Keck AO

Systematic KMTNet Planetary Anomaly Search. XI. Complete Sample of 2016 Sub-Prime Field Planets

OGLE-2015-BLG-0845L: a low-mass M dwarf from the microlensing parallax and xallarap effects

scientific article published on 7 August 2024

Analyses of anomalous lensing events detected from the UKIRT microlensing survey

scientific article published in April 2025

Adaptive Optics Imaging Breaks the Central Caustic Cusp Approach Degeneracy in High Magnification Microlensing Events

scholarly article published in June 2022