output
20002026
most citedThe NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background

1.5k citations

Showing 2021 · astro-ph.EPShow all

5 papers · 2 filters

astro-ph.EP2021★ 1 cited

Recent formation and likely cometary activity of near-Earth asteroid pair 2019 PR2 -- 2019 QR6

Petr Fatka, Nicholas A. Moskovitz, Petr Pravec +13

Asteroid pairs are genetically related asteroids that recently separated (few million years), but still reside on similar heliocentric orbits. A few hundred of these systems hav…

astro-ph.EP2021★ 16 cited

Polarimetric Properties of the Near--Sun Asteroid (155140) 2005 UD in Comparison with Other Asteroids and Meteoritic Samples

Masateru Ishiguro, Yoonsoo P. Bach, Jooyeon Geem +26

The investigation of asteroids near the Sun is important for understanding the final evolutionary stage of primitive solar system objects. A near-Sun asteroid, (155140) 2005 UD, ha…

astro-ph.EP2021★ 50 cited

Asteroid 16 Psyche: Shape, Features, and Global Map

Michael K. Shepard, Katherine de Kleer, Saverio Cambioni +9

We develop a shape model of asteroid 16 Psyche using observations acquired in a wide range of wavelengths: Arecibo S-band delay-Doppler imaging, Atacama Large Millimeter Array (ALM…

astro-ph.EP2021★ 40 cited

Habitability Models for Astrobiology

Abel Méndez, Edgard E. Rivera-Valentín, Dirk Schulze-Makuch +31

Habitability has been generally defined as the capability of an environment to support life. Ecologists have been using Habitat Suitability Models (HSMs) for more than four decades…

astro-ph.EP2021★ 18 cited

(6478) Gault: Physical characterization of an active main-belt asteroid

Maxime Devogèle, Marin Ferrais, Emmanuel Jehin +22

In December 2018, the main-belt asteroid (6478)~Gault was reported to display activity. Gault is an asteroid belonging to the Phocaea dynamical family and was not previously known…