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4 papers · 1 filter
Cosmic Tests for a More Explicit Equivalence Principle
Rafael A. Vera
According to this principle, the relativistic changes occurring to the bodies, after velocity changes, cannot be detected by observers moving with them because bodies and stationar…
Nonlocal Conservation Laws Derived from an Explicit Equivalence Principle
Rafael A. Vera
According to this principle (EEP), in order that the local physical laws cannot change, after changes of velocity and potentials of a measuring system, the relativistic changes of…
Cepheid Period-Radius and Period-Luminosity Relations and the Distance to the LMC
Wolfgang P. Gieren, Pascal Fouque, Matias Gomez
We have used the infrared Barnes-Evans surface brightness technique to derive the radii and distances of 34 Galactic Cepheid variables. Radius and distance results obtained from bo…
Very accurate Distances and Radii of Open Cluster Cepheids from a Near-Infrared Surface Brightness Technique
Wolfgang P. Gieren, Pascal Fouque, Matias Gomez
We have obtained the radii and distances of 16 galactic Cepheids supposed to be members in open clusters or associations using the new optical and near-infrared calibrations of the…