2 papers
astro-ph.GA2026
On the Use of Field RR Lyrae as Galactic Probes -- VIII. Early Formation of the Galactic Spheroid
G. Bono, V. F. Braga, M. Fabrizio +54
We introduce a new photometric catalog of RR Lyrae variables (RRLs, 300,000) mainly based on data available in public datasets. We also present the largest and most homogeneo…
astro-ph.GA2025
Using Type-II Cepheids as Extragalactic Standard Candles: Distances to M31
V. D. Pipwala, H. N. Lala, B. Lemasle +3
Several standard candles have been tested and used to measure accurate extragalactic distances over the past decades. There have been discussions regarding the possibility of using…