9 papers

astro-ph.HE2026

X-ray Flaring and Variability in NGC 1275, the Heart of the Perseus Cluster

Sarah Ketchum, Jon M. Miller, S. W. Allen +6

NGC 1275 is the central galaxy in the Perseus Cluster. The active galactic nucleus (AGN) within NGC 1275 is notable for its strong and variable radio activity, tied to the producti…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The paper summarizes 70 science cases for the proposed NASA Habitable Worlds Observatory, outlining the observational needs across four scientific pillars and detailing required ca…

cs.RO2026

SpeedTuning: Speeding Up Policy Execution with Lightweight Reinforcement Learning

David D. Yuan, Tony Z. Zhao, Kaylee Burns +1

While learned robotic policies hold promise for advancing generalizable manipulation, their practical deployment is often hindered by suboptimal execution speeds. Imitation learnin…

cs.CV2026

CalibBEV: LiDAR-Camera Calibration via BEV Alignment

Filippo D'Addeo, Lorenzo Cipelli, Adriano Cardace +3

We present CalibBEV, a novel Bird's Eye View (BEV) alignment approach for LiDAR-camera calibration. Our method unifies LiDAR and camera data into a shared 3D spatial representation…

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…

q-bio.TO2026

A microscopic computational simulation of [18F]FDG transport and metabolism identifies valid regimes for compartmental analysis

Xiaoxu Zhong, Guillem Pratx

18F-fluorodeoxyglucose ([18F]FDG) positron emission tomography (PET), combined with compartmental modeling, is a powerful non-invasive imaging method for assessing cellular metabol…