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7 papers

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…

astro-ph.IM2026

Life 2.0: A Scalable Distributed Space-Telescope Array for Biosignature Spectroscopy

Jian Ge, Zhangqi Dang, Ziru Zhang +15

Answering the question "Are we alone?" requires atmospheric spectroscopy of nearby terrestrial planets. For an Earth--Sun analog, even the strongest transmission signals are expect…

astro-ph.SR2026

Three-dimensional Magnetic Structures of Ellerman Bombs revealed by SUNRISE III/SCIP

Yusuke Kawabata, Yukio Katsukawa, Masahito Kubo +37

Ellerman bombs (EBs) are widely recognized as photospheric and chromospheric signatures of magnetic reconnection. However, the three-dimensional (3D) magnetic topology has remained…

astro-ph.EP2026

Kilometre-scale Jovian moon characterized for a potential JUICE flyby

Juan Luis Rizos, Jose Maria Gomez-Limon, Yucel Kilic +51

The paper presents new observations of Jupiter’s irregular moon Kallichore, using Hubble, ground‑based telescopes and stellar occultations to refine its orbit, size, shape and surf…

astro-ph.SR2026

Three-dimensional Magnetic Field Structure of a Quiet-Sun Region Revealed by Sunrise III/SCIP

Masahito Kubo, Yukio Katsukawa, Yusuke Kawabata +38

The paper presents high‑precision spectropolarimetric observations of a quiet‑Sun region using the Sunrise III/SCIP instrument, revealing narrow, thread‑like chromospheric magnetic…

astro-ph.SR2026

Height Dependent Phase Shifts of Wave Pulses in the Lower Solar Atmosphere Measured with SUNRISE III

Andreas Lagg, H. N. Smitha, Sami K. Solanki +32

We report on the measurement of the height-dependent time shifts of wave pulses in the lower solar atmosphere from high-resolution spectro-polarimetric observations obtained with t…