Search Results - "Steinmetz, Matthias"
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Searching for light in the darkness: Bounds on ALP dark matter with the optical MUSE-faint survey
Published in Physics letters. B (10-03-2021)“…We use MUSE spectroscopic observations of the dwarf spheroidal galaxy Leo T between 470 and 935 nm to search for radiative decays of axion like particles…”
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2
The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections
Published in The Astrophysical journal (01-12-2021)“…Abstract We describe the survey design, calibration, commissioning, and emission-line detection algorithms for the Hobby–Eberly Telescope Dark Energy…”
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3
The hestia project: simulations of the Local Group
Published in Monthly notices of the Royal Astronomical Society (01-10-2020)“…ABSTRACT We present the hestia simulation suite: High-resolutions Environmental Simulations of The Immediate Area, a set of cosmological simulations of the…”
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The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo
Published in The Astrophysical journal (01-12-2018)“…This paper presents the detailed abundances and r-process classifications of 126 newly identified metal-poor stars as part of an ongoing collaboration, the…”
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Spiral arm crossings inferred from ridges in Gaia stellar velocity distributions
Published in Monthly notices of the Royal Astronomical Society (01-11-2018)“…The solar neighbourhood contains disc stars that have recently crossed spiral arms in the Galaxy. We propose that boundaries in local velocity distributions…”
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6
Climbing to the top of the galactic mass ladder: evidence for frequent prolate-like rotation among the most massive galaxies
Published in Monthly notices of the Royal Astronomical Society (11-07-2018)“…Abstract We present the stellar velocity maps of 25 massive early-type galaxies located in dense environments observed with MUSE. Galaxies are selected to be…”
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7
The RAVE-on Catalog of Stellar Atmospheric Parameters and Chemical Abundances for Chemo-dynamic Studies in the Gaia Era
Published in The Astrophysical journal (01-05-2017)“…The orbits, atmospheric parameters, chemical abundances, and ages of individual stars in the Milky Way provide the most comprehensive illustration of galaxy…”
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The cosmic web and the orientation of angular momenta
Published in Monthly notices of the Royal Astronomical Society. Letters (01-03-2012)“…ABSTRACT We use a 64 h−1 Mpc dark‐matter‐only cosmological simulation to examine the large‐scale orientation of haloes and substructures with respect to the…”
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ON THE ORIGIN OF THE ANGULAR MOMENTUM PROPERTIES OF GAS AND DARK MATTER IN GALACTIC HALOS AND ITS IMPLICATIONS
Published in The Astrophysical journal (10-05-2012)“…We perform a set of non-radiative hydrodynamical simulations of merging spherical halos in order to understand the angular momentum (AM) properties of the…”
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10
Cosmicflows Constrained Local UniversE Simulations
Published in Monthly notices of the Royal Astronomical Society (11-01-2016)“…This paper combines observational data sets and cosmological simulations to generate realistic numerical replicas of the nearby Universe. The latter are…”
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The Undiscovered Ultradiffuse Galaxies of the Local Group
Published in Astrophysical journal. Letters (01-04-2023)“…Abstract Ultradiffuse galaxies (UDGs) are attractive candidates to probe cosmological models and test theories of galaxy formation at low masses; however, they…”
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The Accretion Origin of the Milky Way's Stellar Halo
Published in The Astrophysical journal (10-06-2008)“…We have used data from the Sloan Digital Sky Survey (SDSS) Data Release 5 to explore the overall structure and substructure of the stellar halo of the Milky…”
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13
The Stars of the HETDEX Survey. I. Radial Velocities and Metal-poor Stars from Low-resolution Stellar Spectra
Published in The Astrophysical journal (01-04-2021)“…Abstract The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) is an unbiased, massively multiplexed spectroscopic survey, designed to measure the…”
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14
Metal-poor Lithium-rich Giants in the Radial Velocity Experiment Survey
Published in The Astrophysical journal (20-12-2011)“…We report the discovery of eight lithium-rich field giants found in a high-resolution spectroscopic sample of over 700 metal-poor stars ([Fe/H] < -0.5)…”
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15
The Power Spectrum Dependence of Dark Matter Halo Concentrations
Published in The Astrophysical journal (10-06-2001)Get full text
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The hierarchical origin of galaxy morphologies
Published in New astronomy (01-06-2002)“…We report first results from a series of N-body/gasdynamical simulations designed to study the origin of galaxy morphologies in a cold dark matter-dominated…”
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17
Tidal Torques and the Orientation of Nearby Disk Galaxies
Published in The Astrophysical journal (20-09-2004)Get full text
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18
The Dependence of the Mass Assembly History of Cold Dark Matter Halos on Environment
Published in The Astrophysical journal (01-01-2007)“…We show by means of a high-resolution N-body simulation how the mass assembly histories of galaxy-sized cold dark matter (CDM) halos depend on environment…”
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19
The Effects of a Photoionizing Ultraviolet Background on the Formation of Disk Galaxies
Published in The Astrophysical journal (20-03-1997)Get full text
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20
The Cosmological Origin of the Tully-Fisher Relation
Published in The Astrophysical journal (10-03-1999)Get full text
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