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The MUSE second-generation VLT instrument
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The Multi Unit Spectroscopic Explorer (MUSE) is a second-generation VLT panoramic integral-field spectrograph currently in manufacturing, assembly and integration phase. MUSE has a field of 1x1 arcmin2 sampled at 0.2x0.2 arcsec2 and is assisted by the VLT ground layer adaptive optics ESO facility using four laser guide stars. The instrument is a large assembly of 24 identical high performance integral field units, each one composed of an advanced image slicer, a spectrograph and a 4kx4k detector. In this paper we review the progress of the manufacturing and report the performance achieved with the first integral field unit.
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Cited by 16 Pith papers
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A Wandering 35,000-Solar-Mass Black Hole Fed by a Gravitational Wake
A wandering 35,000-solar-mass black hole in the dwarf galaxy UGCA 320 shows broad-line, variable, continuum, and three-component gas evidence consistent with Bondi-Hoyle-Lyttleton accretion from a gravitational wake.
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Lyman-alpha haloes in the aftermath of reionisation
Lyα haloes around low-luminosity LAEs at z≥6 have exponential scale lengths ~3× smaller than at z~3 under matched intrinsic surface-brightness sensitivity, with stacks of non-detections showing no extended emission at high-z.
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A Salpeter IMF and an NFW halo: Disentangling the dark and stellar mass of an elliptical galaxy through precise lens modelling of a double-source-plane system
Double-source-plane lens modeling of J0946+1006 confirms constant stellar M/L with Salpeter IMF and NFW dark matter halo, yielding M_star ~4.4e11 solar masses and log(M_200/M_star)~1.41.
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Interpretable machine learning of halo gas density profiles: a sensitivity analysis of cosmological hydrodynamical simulations
Random forests reproduce simulated halo gas density profiles to roughly 80-90% accuracy, and Sobol analysis of those forests ranks halo mass and central gas mass as the dominant predictors across EAGLE, IllustrisTNG, ...
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A comprehensive separation of dark matter and baryonic mass components in galaxy clusters I: Mass constraints from Abell S1063
A new crowded-field light-profile fitting method yields light, kinematics, and stellar mass constraints for 289 cluster members plus the BCG and intra-cluster light in Abell S1063, feeding a future dark matter/baryon ...
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Tracing stellar rotation in young massive LMC clusters
Red main-sequence stars in the young LMC clusters NGC 1866 and NGC 1856 rotate at mean equatorial velocities near 300 km/s, about 70-80% of critical, linking rotation to the split main sequences and high Be star fractions.
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Testing the AGN unified model with simulated emission lines from the circumgalactic medium (CGM)
Using FIRE, CLOUDY, and RASCAS, the authors predict that obscured AGN nebulae are less symmetric, flatter in surface brightness, and broader in Lyα line width at R≥10 kpc than unobscured ones, and that stacking at lea...
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Dissecting NGC 3132: Tracing the mass-loss history of the southern ring planetary nebula
Applying the empirical abundance method to simulated observations of NGC 3132 from a 3D model overestimates the input oxygen abundance by up to 35% due to line-of-sight projection effects.
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Line ratio identification of external photoevaporation
Emission line ratios such as [SII] 6731/[OIII] 5007 shift by up to a factor of 470 with distance from an OB star, offering an unresolved-spectroscopy route to identifying externally photoevaporating disks in clusters.
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A statistical study of the metallicity of core-collapse supernovae based on VLT/MUSE integral-field-unit spectroscopy
Using 166 nearby core-collapse supernovae with MUSE IFU data, the authors find no significant host-galaxy metallicity difference among Types II(P), IIn, IIb, Ib and Ic, narrowing the 1σ stochastic uncertainty to about...
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MUSEQuBES: Connecting HI absorption with Ly$\alpha$ emitters at $z \approx 3.3$
Neutral hydrogen is enhanced around z≈3.3 Ly-alpha emitters relative to the intergalactic medium, and pair/group galaxies show a higher HI covering fraction (100%) than isolated galaxies (80%) out to about 250 pkpc.
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Disentangling the dark and stellar mass through precise lens modelling of the JWST observation of lensed quasar WFI2033--4723
Composite time-delay lens modelling of JWST WFI2033–4723 yields intermediate stellar IMF normalisation and a steep gNFW inner slope γ_in≃1.3 that is robust to the choice of external cosmology.
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Multi-wavelength Constraints on the Transient EP250905a
EP250905a is best explained as a mildly off-axis structured-jet afterglow at z=2.714, possibly weakly magnified by a foreground galaxy at z=0.374.
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The PyKOALA python library: a multi-instrument package for IFS data reduction
PyKOALA is a modular, instrument-agnostic Python framework for IFS data reduction, currently applied to KOALA+AAOmega, but lacking quantitative performance validation in this paper.
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The Close AGN Reference Survey (CARS): A comparison between sub-mm and optical AGN diagnostic diagrams
Three of five type-1 AGN observed with ALMA follow the dense gas to star formation scaling relation, and optical and sub-millimetre excitation classifications agree where all lines are detected.
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Optimising the analysis of emission lines in galaxies: the case of the MUSE TIMER galaxy NGC 613
Multi-component emission line fitting of NGC 613 reveals bar-driven gas inflow along the dust lanes and an AGN-driven biconical ionised outflow aligned with the radio jet.
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