6 papers

astro-ph.IM2026

MORFEO control strategy

Guido Agapito, Lorenzo Busoni, Cédric Plantet +7

The ESO Extremely Large Telescope (ELT) will offer unprecedented sensitivity and resolution in the near-infrared, marking a new era for ground-based astronomy. Among its key imagin…

astro-ph.IM2026

Characterization of the MUSE NFM PSF as a function of atmospheric conditions: TipTop calibration

Enrico Congiu, Fuyan Bian, Carlo F. Manara +8

The Multi Unit Spectroscopic Explorer (MUSE) achieves exceptional spatial resolution in narrow-field mode (NFM) thanks to the GALACSI adaptive optics (AO) system. However, limitati…

astro-ph.IM2026

Hard X-Ray Focal-Plane Compton Spectro-Polarimeter: Detector Development and Sensitivity Evaluation

Abhay Kumar, Tanmoy Chattopadhyay, Santosh V. Vadawale +1

The scientific potential of X-ray polarimetry has long been recognized, yet the challenges of measuring polarization have left it largely unexplored, mainly in the hard X-ray regim…

astro-ph.IM2026

Structural, thermal and optical tolerance analysis of SHARP, a near infrared spectrograph for next generation telescope

H. Mahmoodzadeh, P. Saracco, I. DI Antonio +15

The design and verification of cryogenic near-infrared spectrographs require rigorous multidisciplinary analyses to ensure optical performance under realistic operational condition…

astro-ph.HE2026

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

K. Abe, S. Abe, J. Abhir +439

We present very-high-energy gamma-ray observations of two binary black hole merger candidates, GW240615_113620 and GW241125_010116, performed with the Major Atmospheric Gamma Imagi…

astro-ph.CO2026

Euclid: Inferring star-formation history via cross-correlations of photometric clustering and shear with the cosmic infrared background

J. Han, S. Camera, M. Migliaccio +146

The cosmic infrared background, sourced by dust heated by star-forming activity, encodes the integrated history of the star-formation distribution over a large swathe of cosmic tim…