activity
20092025
most citedChemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. VI. Age and abundance structure of the stellar populations in the central sub-kpc of the Milky Way

197 citations · 813 across the 43 of their papers we have counts for

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Showing 2022Show all

2 papers · 1 filter

astro-ph.SR2022

New Short-Period Delta Scuti Stars in OGLE-IV Fields toward the Galactic Bulge

P. Pietrukowicz, M. Ratajczak, I. Soszynski +12

We report the classification of 24 puzzling short-period variable stars located in OGLE-IV Galactic bulge fields. The stars are low-amplitude (<0.05 mag) multi-periodic objects wit…

astro-ph.SR2022★ 6 cited

Precision measurement of a brown dwarf mass in a binary system in the microlensing event OGLE-2019-BLG-0033/MOA-2019-BLG-035

A. Herald, A. Udalski, V. Bozza +89

Context. Brown dwarfs are poorly understood transition objects between stars and planets, with several competing mechanisms having been proposed for their formation. Mass measureme…