Cosmicflows-3: Two Distance$-$Velocity Calculators
Ehsan Kourkchi, Helene M. Courtois, Romain Graziani, Yehuda Hoffman,, Daniel Pomarede, Edward J. Shaya, R. Brent Tully
TL;DR
This paper introduces tools from the Cosmicflows-3 project that relate galaxy distances and velocities using smoothed velocity fields, aiding in extragalactic distance measurements.
Contribution
It provides publicly accessible calculators based on Cosmicflows-3 data, enhancing the accuracy of galaxy distance and velocity estimations.
Findings
Tools improve distance-velocity relationship accuracy
Accessible online for researchers
Based on smoothed velocity field models
Abstract
Tools are provided at the Extragalactic Distance Database website that provide relationships between the distances and velocities of galaxies based on smoothed versions of the velocity fields derived by the Cosmicflows program.
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