Articles by Matthias Ratajczak

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Matthias Ratajczak

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No massive black holes in the Milky Way halo

3 January 2025 by Przemysław Mróz and others at

ASTRON

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

OGLE-2015-BLG-1609Lb: Sub-jovian planet orbiting a low-mass stellar or brown dwarf host

17 December 2024 by M. Mróz and others

Earth and Planetary Astrophysics, Astrophysics of Galaxies

Style-agnostic evaluation of ASR using multiple reference transcripts

10 December 2024 by Quinten Mcnamara and others

Computation and Language

Uncovering the Invisible: A Study of Gaia18ajz, a Candidate Black Hole Revealed by Microlensing

11 October 2024 by Kornel Howil and others at

ASTRON

Astrophysics of Galaxies, Solar and Stellar Astrophysics

Reverb: Open-Source ASR and Diarization from Rev

4 October 2024 by Nishchal Bhandari and others

Computation and Language, Sound

The OGLE Collection of Variable Stars: Over 18 000 Rotating Variables toward the Galactic Bulge

26 June 2024 by Patryk Iwanek and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

Microlensing optical depth and event rate toward the Large Magellanic Cloud based on 20 years of OGLE observations

24 June 2024 by Przemysław Mróz and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Gaia22dkvLb: A Microlensing Planet Potentially Accessible to Radial-Velocity Characterization

30 May 2024 by Zexuan Wu and others at

ASTRON

Earth and Planetary Astrophysics, Astrophysics of Galaxies

A close binary lens revealed by the microlensing event Gaia20bof

3 May 2024 by Etienne Bachelet and others

Earth and Planetary Astrophysics, Astrophysics of Galaxies

Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry

19 April 2024 by Gaia Collaboration and others at

ASTRON

Astrophysics of Galaxies, Solar and Stellar Astrophysics

Candidates for Transiting Planets in OGLE-IV Galactic Bulge Fields

13 November 2023 by M. Mróz and others

Earth and Planetary Astrophysics, Astrophysics of Galaxies

Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri

8 November 2023 by Gaia Collaboration and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars

10 October 2023 by Gaia Collaboration and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Gaia Focused Product Release: Radial velocity time series of long-period variables

9 October 2023 by Gaia Collaboration and others

Solar and Stellar Astrophysics

Solaris photometric survey: Search for circumbinary companions using eclipse timing variations

9 October 2023 by Ashish Moharana and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

Lens mass estimate in the Galactic disk extreme parallax microlensing event Gaia19dke

6 September 2023 by M. Maskoliunas and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

Strong Variability in AzV 493, an Extreme Oe-Type Star in the SMC

26 January 2023 by M. Oey and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

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

14 December 2022 by Paweł Pietrukowicz and others

Solar and Stellar Astrophysics

The effect of nutation angle on the flow inside a precessing cylinder and its dynamo action

21 July 2022 by Vaibhaw Kumar and others

Fluid Dynamics, Earth and Planetary Astrophysics

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

2 December 2021 by K. Rybicki and others

Astrophysics of Galaxies, Solar and Stellar Astrophysics

Tidally excited oscillations in MACHO 80.7443.1718: Changing amplitudes and frequencies, high-frequency tidally excited mode, and a decrease in the orbital period

18 November 2021 by Piotr Antoni Kołaczek-Szymański and others

Solar and Stellar Astrophysics

Orbital and physical parameters of eclipsing binaries from the ASAS catalogue -- XII. A sample of systems with K2 photometry

12 October 2021 by K. Hełminiak and others

Solar and Stellar Astrophysics

BRITE observations of ν Centauri and γ Lupi, the first non-eclipsing members of the new class of nascent binaries

23 April 2021 by Mikolaj Jerzykiewicz and others

Solar and Stellar Astrophysics

Binarity as the Origin of Long Secondary Periods in Red Giant Stars

16 April 2021 by Igor Soszyński and others

Solar and Stellar Astrophysics

Orbital and physical parameters of eclipsing binaries from the ASAS catalogue -- XI. CHIRON investigation of long-period binaries

30 November 2020 by Matthias Ratajczak and others

Solar and Stellar Astrophysics

Analysis of eclipsing binaries in multiple stellar systems: the case of V1200 Centauri

28 September 2020 by Frédéric Marcadon and others

Solar and Stellar Astrophysics

HIDES spectroscopy of bright detached eclipsing binaries from the Kepler field - III. Spectral analysis, updated parameters, and new systems

2 January 2019 by K. Hełminiak and others

Solar and Stellar Astrophysics

Tracking the spin axes orbital alignment in selected binary systems - Torun Rossiter-McLaughlin effect survey

1 May 2018 by Piotr Sybilski and others

Solar and Stellar Astrophysics

UVSat: a concept of an ultraviolet/optical photometric satellite

28 November 2017 by Andrzej Pigulski and others

Instrumentation and Methods for Astrophysics, Solar and Stellar Astrophysics

Pulsations in close binaries from the BRITE point of view

28 November 2017 by Andrzej Pigulski and others

Solar and Stellar Astrophysics

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Solar and Stellar Astrophysics Astrophysics of Galaxies Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics Fluid Dynamics Methodology