Daniel Pomarède · @pomarede
766 followers · 242 posts · Server mastodon.social

The DESI Peculiar Velocity Survey, the largest survey of galaxies peculiar velocities planned to date. Great stuff for the future of mapping the universe with cosmic flows!
arxiv.org/abs/2302.13760

More on DESI the Dark Energy Spectroscopic Instrument: desi.lbl.gov/

#universe #cosmology #cosmicflows #cosmography #desi #survey #desisurvey #darkenergy #astronomy #astrophysics #Astrodon #space #science #research

Last updated 2 years ago

Daniel Pomarède · @pomarede
748 followers · 223 posts · Server mastodon.social

Rising Tension.

Early Cosmicflows-4 result: R. Watkins+co-authors present an estimate of the bulk flow, the average velocity of the survey volume: about 400 km/s. This has an epsilonesque chance of occurring in the ΛCDM model with CMB derived parameters.

arxiv.org/abs/2302.02028

#cosmology #universe #astronomy #astrophysics #space #science #research #Astrodon #λcdm #cosmicflows #cosmicflows4 #galaxies #physics

Last updated 2 years ago