- Center for Astrophysics Harvard & SmithsonianUS2 papers
- Goddard Space Flight CenterUS2 papers
- Johns Hopkins UniversityUS2 papers
- The University of Texas at AustinUS2 papers
- University of ArizonaUS2 papers
- University of California, Santa BarbaraUS2 papers
- University of FloridaUS2 papers
- Aalto UniversityFI1 paper
- Abu Dhabi UniversityAE1 paper
- Aix-Marseille UniversitéFR1 paper
- AlbaNovaSE1 paper
- Ames Research CenterUS1 paper
3 papers
astro-ph.SR2026
SN 2021pfs: A Type Ia Supernova Likely Affected by Progenitor Metallicity, as Revealed by Comparison with Its Twin Counterpart
Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin +15
We present extensive photometric and spectroscopic observations of the normal type Ia supernovae (SNe Ia) 2021pfs, which occurred in the Seyfert 2 galaxy NGC 5427 at a redshift 0.0…
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…
physics.space-ph2026
A Machine-Learning-Based Global Thermospheric Density Forecasting Model
Ruochen Wang, Xiaoli Bai
Thermospheric mass density governs aerodynamic drag in low Earth orbit and is a primary source of uncertainty in orbit prediction and conjunction assessment, particularly during ge…