output
20022026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing astro-ph.EPShow all

107 papers · 1 filter

astro-ph.EP20261 cited

Direct Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek

Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens +94

We report the direct imaging discovery of a third exoplanet in the Pictoris system. We detect Pictoris d ( Pic d) in non-coronagraphic observations obtained with VLT/ERI…

astro-ph.EP2026

How Late Solid Enrichment Shapes Atmospheric Abundances in Giant Planets

Michael L. Balogh, Yuvan Sooryakumar, Sachen Gombu +4

Atmospheric abundance measurements of giant exoplanets are increasingly used to infer their formation histories, motivating upcoming population studies with facilities such as the…

astro-ph.EP2026

Shock wave formation in the thermosphere by an earthgrazing fireball: Empirical evidence for volatile-enhanced hydrodynamic shielding

Elizabeth A. Silber, Denis Vida, Miro Ronac Giannone +7

Hydrodynamic shielding is a theoretically well-established but observationally elusive and experimentally difficult-to-replicate phenomenon with implications that extend far beyond…

astro-ph.EP2026

Exoplanet Search and Characterization with the Proposed POET Canadian Space Mission

S. Metchev, J. Rowe, P. Miles-Páez +20

The Photometric Observations of Exoplanet Transits (POET) is a proposed micro-satellite mission dedicated to the characterization and discovery of transiting exoplanets. POET has b…

astro-ph.EP20265 cited

Multi-Sensor Trajectory Reconstruction of the 24 April 2025 Alaska Fireball and Implications for Planetary Defense

L. T. Scamfer, E. A. Silber, M. D. Fries +6

On 24 April 2025 at 18:30:57 UTC, a bright daytime fireball over Southcentral Alaska was detected by 37 seismic stations, 16 single infrasound sensors, and four infrasound arrays,…

astro-ph.EP20262 cited

Predictions of Imminent Earth Impactors Discovered by LSST

Ian Chow, Mario Jurić, R. Lynne Jones +5

Imminent impactors are natural bodies discovered in space before impacting the Earth. They provide a rare opportunity to characterize individual near-Earth objects (NEOs) in great…