output
19942026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations

Showing 2026 · astro-ph.EPShow all

5 papers · 2 filters

astro-ph.EP2026

Changes in Pluto's Atmosphere Based on Stellar Occultation Data from 2017 to 2023

Amanda A. Sickafoose, Michael J. Person, Carlos A. Zuluaga +14

Pluto's tenuous atmosphere has bar-level pressure and is composed primarily of , with a variable haze. Its eccentric orbit combined with high obliquity leads to si…

astro-ph.EP2026

JWST and Gemini Observations of the Active Centaur 450P/LONEOS: Nucleus and Coma Characterizations

Charles A. Schambeau, Michael S. P. Kelley, Maria Womack +16

Between 2019 and 2024, we used the Gemini-N and JWST observatories to conduct a detailed case study of the active Centaur 450P/LONEOS, whose orbit was significantly altered by a cl…

astro-ph.EP2026

Disentangling auroral, cloud and magnetic spot driven variability in three early L-dwarfs with HST/WFC3

C. O'Toole, J. M. Vos, E. N. Nasedkin +5

Variability monitoring provides an unparalleled insight into the atmospheric processes of brown dwarfs and directly imaged exo-planets. Inhomogeneous clouds, aurorae and magnetic s…

astro-ph.EP2026★ 4 cited

Astrometric follow-up of near-Earth asteroid 2024 YR4 during a Torino scale level 3 alert

Marco Micheli, Maxime Devogèle, Larry Denneau +38

The discovery of 2024 YR4 presented the planetary defense community with the most significant impact threat in almost two decades, reaching level 3 on the Torino scale. The communi…

astro-ph.EP2026★ 1 cited

Constraining the size, shape, and albedo of the large Trans-Neptunian Object (28978) Ixion with multi-chord stellar occultations

Y. Kilic, F. Braga-Ribas, C. L. Pereira +81

Trans-Neptunian objects (TNOs) are among the most primitive remnants of the early Solar System, and constraining their sizes, shapes, albedos, and surface properties is essential f…