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19992026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations · 56.8k across the 228 of their papers we have counts for

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astro-ph.EP2026

SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025: Detection of Increased Post-Perihelion Activity, Refractory Coma Dust, and New Coma Gas Species

C. M. Lisse, Y. P. Bach, S. A. Bryan +13

In December-2025, the NASA SPHEREx spacecraft re-observed ISO 3I/ATLAS post-perihelion, finding a much more active object compared to August-2025 SPHEREx pre-perihelion observation…

astro-ph.EP2025

SPHEREx Pre-Perihelion Mapping of , , and in Interstellar Object 3I/ATLAS

Carey M. Lisse, Yoonsoo P. Bach, Brendan P. Crill +35

From 01- to 15-Aug-2025UT, the SPHEREx spacecraft observed interstellar object 3I/ATLAS. Using spectrophotometry at m, light curves, spectra, and imaging of…

astro-ph.EP2025★ 1 cited

SPHEREx Discovery of Strong Water Ice Absorption and an Extended Carbon Dioxide Coma in 3I/ATLAS

C. M. Lisse, Y. P. Bach, S. Bryan +17

In mid-August 2025, 0.75-5.0 micron SPHEREx imaging spectrophotometric and ancillary NASA-IRTF SpeX 0.7-2.5 micron low-resolution spectral observations of Interstellar Object 3I AT…

astro-ph.EP2019

The ExoEarth Yield Landscape for Future Direct Imaging Space Telescopes

Christopher C. Stark, Rus Belikov, Matthew R. Bolcar +19

The expected yield of potentially Earth-like planets is a useful metric for designing future exoplanet-imaging missions. Recent yield studies of direct-imaging missions have focuse…

astro-ph.EP2016★ 35 cited

Planck intermediate results. LII. Planet flux densities

Planck Collaboration, Y. Akrami, M. Ashdown +147

Measurements of flux density are described for five planets, Mars, Jupiter, Saturn, Uranus, and Neptune, across the six Planck High Frequency Instrument frequency bands (100-857 GH…