Microlensing searches for exoplanets

Y Tsapras - Geosciences, 2018 - mdpi.com
Gravitational microlensing finds planets through their gravitational influence on the light
coming from a more distant background star. The presence of the planet is then inferred from …

Mid-to-late M Dwarfs Lack Jupiter Analogs

EK Pass, JG Winters, D Charbonneau… - The Astronomical …, 2023 - iopscience.iop.org
Cold Jovian planets play an important role in sculpting the dynamical environment in which
inner terrestrial planets form. The core accretion model predicts that giant planets cannot …

Gravitational microlensing I: A unique astrophysical tool

S Rahvar - International Journal of Modern Physics D, 2015 - World Scientific
In this paper, we review the astrophysical application of gravitational microlensing. After
introducing the history of gravitational lensing, we present the key equations and concept of …

KMT-2021-BLG-0171Lb and KMT-2021-BLG-1689Lb: two microlensing planets in the KMTNet high-cadence fields with followup observations

H Yang, W Zang, A Gould, JC Yee… - Monthly Notices of …, 2022 - academic.oup.com
Follow-up observations of high-magnification gravitational microlensing events can fully
exploit their intrinsic sensitivity to detect extrasolar planets, especially those with small mass …

The first Neptune analog or super-earth with a Neptune-like orbit: MOA-2013-BLG-605LB

T Sumi, A Udalski, DP Bennett, A Gould… - The Astrophysical …, 2016 - iopscience.iop.org
We present the discovery of the first Neptune analog exoplanet or super-Earth with a
Neptune-like orbit, MOA-2013-BLG-605Lb. This planet has a mass similar to that of Neptune …

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

A Fukui, A Gould, T Sumi, DP Bennett… - The Astrophysical …, 2015 - iopscience.iop.org
OGLE-2012-BLG-0563Lb: A SATURN-MASS PLANET AROUND AN M DWARF WITH THE
MASS CONSTRAINED BY SUBARU AO IMAGING - IOPscience Skip to content IOP Science …

Microlensing constraints on the mass of single stars from HST astrometric measurements

N Kains, A Calamida, KC Sahu… - The Astrophysical …, 2017 - iopscience.iop.org
We report on the first results from a large-scale observing campaign aiming to use
astrometric microlensing to detect and place limits on the mass of single objects, including …

Predictions for microlensing planetary events from core accretion theory

W Zhu, M Penny, S Mao, A Gould… - The Astrophysical …, 2014 - iopscience.iop.org
We conduct the first microlensing simulation in the context of a planet formation model. The
planet population is taken from the Ida & Lin core accretion model for 0.3 M☉ stars. With …

Is the galactic bulge devoid of planets?

MT Penny, CB Henderson… - The Astrophysical Journal, 2016 - iopscience.iop.org
We consider a sample of 31 exoplanetary systems detected by gravitational microlensing
and investigate whether or not the estimated distances to these systems conform to the …

MOA-2011-BLG-322Lb: a 'second generation survey'microlensing planet

Y Shvartzvald, D Maoz, S Kaspi, T Sumi… - Monthly Notices of …, 2014 - academic.oup.com
Global 'second-generation'microlensing surveys aim to discover and characterize extrasolar
planets and their frequency, by means of round-the-clock high-cadence monitoring of a …