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Debiasing Local Cluster Infall Reveals : Application to the Virgo Cluster
Bastien Carreres, David Benisty, Jenny Wagner +3
Galaxy recession velocities are commonly used to measure the Hubble constant, , with peculiar velocities treated as random noise. Around massive clusters, however, these motio…
CHASE Spectral Survey I: Measuring Contamination in the Color-selected J-region Asymptotic Giant Branch Distance Indicator
Siyang Li, Alexei V. Filippenko, Arief Ahmad +11
The J-region asymptotic giant branch (JAGB) method for distance measurements uses the near uniform luminosity of carbon-rich AGB stars as a standard candle. Its application rests o…
A Multi-Axion Ladder Across Cosmic History: From Inflation, BBN, and Early Dark Energy to Late-Time Accelerated Expansion
Amartya Sengupta, Dejan Stojkovic, Adam G. Riess
What if dark energy is recurrent throughout cosmic history? In this picture, episodes of scalar-field dark energy become less surprising and more natural features of cosmic evoluti…