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19922026
most citedObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

19.6k citations

5,518 papers

astro-ph.HE2026

Shortening the Baseline: Characterising Type Ia Supernovae Using

Joel M. Velasco, Paolo A. Mazzali, Christopher Ashall +8

An explorative study of Type Ia Supernovae (SNe Ia) light curves is presented. decline-rate metrics are used to evaluate alternative characterisations of light curve di…

astro-ph.SR2026

The Variation of Circumstellar Parameters through Early Stellar Evolution

Michael Connelley, Christian Flores, Bo Reipurth

We report on the evolution of extinction, mass accretion rate, and spectral index from analysis of SpeX observations and AllWISE spectral energy distributions, compared to stellar…

math-ph2026

Division Algebras, Triality, and Exceptional Magic

A. Garrett Lisi

We describe in explicit detail the rich relationship between division algebras, split composition algebras, triality, Clifford algebras, spinors, triality Lie algebras, generalized…

astro-ph.SR2026

Open Clusters as Laboratories for Cool Star Evolution: Highlights from the Cool Stars 23 Splinter Session

Deepak Chahal, Beatrice Caccherano, Edward Gillen +16

Open clusters remain among the most powerful laboratories for calibrating how fundamental stellar properties such as rotation, magnetic activity, surface chemistry, and internal st…

astro-ph.SR2026

Cepheid metallicities from low-resolution near-infrared spectra: validation against the optical reference scale

M. A. Urbaneja, R. P. Kudritzki, N. Przybilla

Classical Cepheid metallicities trace recent chemical enrichment and help assess systematics in Cepheid-based distance measurements. They are derived mainly from high-resolution op…

astro-ph.SR2026

Asteroseismic Analysis of the Merger Product Red Giant in the Persei System

Rozália Z. Ádám, László Molnár, Róbert Szabó +7

Context. Persei is a long-period eclipsing binary system ( years) containing a red giant primary, and it is well known for its multi-faceted classification as a…