616 citations · 2.2k across the 52 of their papers we have counts for
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Rotation and the Cepheid Mass Discrepancy
Richard I. Anderson, Sylvia Ekström, Cyril Georgy +3
We recently showed that rotation significantly affects most observable Cepheid quantities, and that rotation, in combination with the evolutionary status of the star, can resolve t…
Amplitude Modulation of Cepheid Radial Velocity Curves as a Systematic Source of Uncertainty for Baade-Wesselink Distances
Richard I. Anderson
I report on the recent discovery of modulation in the radial velocity curves in four classical Cepheids. This discovery may enable significant improvements in the accuracy of Baade…
The long-period Galactic Cepheid RS Puppis - III. A geometric distance from HST polarimetric imaging of its light echoes
P. Kervella, H. E. Bond, M. Cracraft +8
As one of the most luminous Cepheids in the Milky Way, the 41.5-day RS Puppis is an analog of the long-period Cepheids used to measure extragalactic distances. An accurate distance…
Tuning in on Cepheids: Radial velocity amplitude modulations. A source of systematic uncertainty for Baade-Wesselink distances
Richard I. Anderson
[Abridged] I report the discovery of modulations in radial velocity (RV) curves of four Galactic classical Cepheids and investigate their impact as a systematic uncertainty for Baa…
Populations of rotating stars III. SYCLIST, the new Geneva Population Synthesis code
Cyril Georgy, Anahi Granada, Sylvia Ekström +5
(abridged) We present a new tool for building synthetic colour-magnitude diagrams of coeval stellar populations. We study, from a theoretical point of view, the impact of axial rot…
On the effect of rotation on populations of classical Cepheids I. Predictions at solar metallicity
R. I. Anderson, S. Ekström, C. Georgy +3
[Abridged] We aim to improve the understanding of Cepheids from an evolutionary perspective and establish the role of rotation in the Cepheid paradigm. In particular, we are intere…