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Gaia Data Release 3: All-sky classification of 12.4 million variable sources into 25 classes
Lorenzo Rimoldini, Berry Holl, Panagiotis Gavras +31
Gaia DR3 contains 1.8 billion sources with G-band photometry, 1.5 billion of which with BP and RP photometry, complemented by positions on the sky, parallax, and proper motion. The…
Cepheid Metallicity in the Leavitt Law (C- MetaLL) survey: II.High-resolution spectroscopy of the most metal poor Galactic Cepheids
E. Trentin, V. Ripepi, G. Catanzaro +5
Classical Cepheids (DCEPs) are the first fundamental step in the calibration of the cosmological distance ladder. Furthermore, they represent powerful tracers in the context of Gal…
Near-infrared observations of RR Lyrae and Type II Cepheid variables in the metal-rich bulge globular cluster NGC 6441
A. Bhardwaj, S. M. Kanbur, M. Rejkuba +4
NGC 6441 is a bulge globular cluster with an unusual horizontal branch morphology and a rich population of RR Lyrae (RRL) and Type II Cepheid (T2C) variables that is unexpected for…
Rubin Observatory LSST Transients and Variable Stars Roadmap
Kelly M. Hambleton, Federica B. Bianco, Rachel Street +79
The Vera C. Rubin Legacy Survey of Space and Time holds the potential to revolutionize time domain astrophysics, reaching completely unexplored areas of the Universe and mapping va…
KMHK 1762: Another star cluster in the Large Magellanic Cloud age gap
M. Gatto, V. Ripepi, M. Bellazzini +11
The star cluster (SC) age distribution of the Large Magellanic Cloud (LMC) exhibits a gap from 4 to 10 Gyr ago, with an almost total absence of SCs. Within this age gap, onl…
Gaia Data Release 3: Cross-match of Gaia sources with variable objects from the literature
P. Gavras, L. Rimoldini, K. Nienartowicz +22
Context. In the current ever increasing data volumes of astronomical surveys, automated methods are essential. Objects of known classes from the literature are necessary for traini…