activity
20092026
most citedChemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. V. Evidence for a wide age distribution and a complex MDF

494 citations · 6.3k across the 209 of their papers we have counts for

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Showing 2020Show all

6 papers · 1 filter

astro-ph.EP2020

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

Yun Hak Kim, Sun-Ju Chung, A. Udalski +55

We report a giant exoplanet discovery in the microlensing event OGLE-2017-BLG-1049, which is a planet-host star mass ratio of and has a caustic crossin…

astro-ph.EP2020★ 7 cited

OGLE-2018-BLG-0799Lb: a Planet with Spitzer Parallax

Weicheng Zang, Yossi Shvartzvald, Andrzej Udalski +73

We report the discovery and analysis of a planet in the microlensing event OGLE-2018-BLG-0799. The planetary signal was observed by several ground-based telescopes, and the planet-…

astro-ph.SR2020★ 9 cited

OGLE-2018-BLG-1269Lb: A Jovian Planet With A Bright, Host

Youn Kil Jung, Andrew Gould, Andrzej Udalski +54

We report the discovery of a planet in the microlensing event OGLE-2018-BLG-1269, with planet-host mass ratio , i.e., times smaller than the Jupiter/Su…

astro-ph.EP2020★ 16 cited

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

David P. Bennett, Andrzej Udalski, Ian A. Bond +32

We present the analysis of microlensing event OGLE-2006-BLG-284, which has a lens system that consists of two stars and a gas giant planet with a mass ratio of $q_p = (1.26\pm 0.19…

astro-ph.EP2020★ 18 cited

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

Yuki Hirao, David P. Bennett, Yoon-Hyun Ryu +93

We report the discovery and analysis of the planetary microlensing event OGLE-2017-BLG-0406, which was observed both from the ground and by the satellite in a solar…

astro-ph.EP2020★ 15 cited

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

Cheongho Han, Doeon Kim, Youn Kil Jung +48

We present the analysis of a very high-magnification () microlensing event KMT-2019-BLG-1953. A single-lens single-source (1L1S) model appears to approximately delineate…