526 citations · 6.5k across the 150 of their papers we have counts for
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The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands
Teresa Sicignano, Vincenzo Ripepi, Marina Rejkuba +12
Anomalous Cepheids (ACs) are less studied metal-poor pulsating stars ([Fe/H]<-1.5) compared to Classical Cepheids (CCs) and RR Lyrae stars. They follow distinct Period-Luminosity (…
Unified Deep Learning Approach for Estimating the Metallicities of RR Lyrae Stars Using light curves from Gaia Data Release 3
Lorenzo Monti, Tatiana Muraveva, Alessia Garofalo +2
RR Lyrae stars (RRLs) are old pulsating variables widely used as metallicity tracers due to the correlation between their metal abundances and light curve morphology. With ESA Gaia…
Metallicity of RR Lyrae stars from the Gaia Data Release 3 catalogue computed with Machine Learning algorithms
Tatiana Muraveva, Andrea Giannetti, Gisella Clementini +2
We present new and relations for fundamental-mode (RRab) and first-overtone mode (RRc) RR Lyrae stars (RRLs), respectively.…
Investigating Gaia EDR3 parallax systematics using asteroseismology of Cool Giant Stars observed by Kepler, K2, and TESS I. Asteroseismic distances to 12,500 red-giant stars
Saniya Khan, Andrea Miglio, Emma Willett +10
Gaia EDR3 has provided unprecedented data that generate a lot of interest in the astrophysical community, despite the fact that systematics affect the reported parallaxes at the le…
New LZ and PW(Z) relations of RR Lyrae stars calibrated with Gaia EDR3 parallaxes
A. Garofalo, H. E. Delgado, L. M. Sarro +4
We present new luminosity-metallicity (LZ; MV-[Fe/H] and MG-[Fe/H]) relations and, for the first time, empirical, Gaia three-band (G,GBP,GRP) period-Wesenheit-metallicity (PWZ) rel…
Classical Cepheid period-Wesenheit-metallicity relation in the Gaia bands
V. Ripepi, G. Catanzaro, G. Clementini +7
Classical Cepheids (DCEPs) represent a fundamental tool to calibrate the extragalactic distance scale. However, they are also powerful stellar population tracers in the context of…
HD344787: a true Polaris analogue?
V. Ripepi, G. Catanzaro, L. Molnár +10
Classical Cepheids (DCEPs) are the most important primary indicators for the extragalactic distance scale, but they are also important objects per se, allowing us to put constraint…
On the Period--Luminosity--Metallicity relation of Classical Cepheids
V. Ripepi, G. Catanzaro, R. Molinaro +7
Classical Cepheids (DCEPs) are the most important primary indicators for the extragalactic distance scale. Establishing the dependence on metallicity of their period--luminosity an…
V363 Cas: a new lithium rich Galactic Cepheid
G. Catanzaro, V. Ripepi, G. Clementini +8
Classical Cepheids (DCEPs) are important astrophysical objects not only as standard candles in the determination of the cosmic distance ladder, but also as a testbed for the stella…
Challenges to modelling from groundbreaking new data of present/future space and ground facilities
Gisella Clementini, Marcella Marconi, Alessia Garofalo
The sheer size of high-accuracy, multi-band photometry, spectroscopy, astrometry and seismic data that space missions like Kepler, Gaia, PLATO, TESS, JWST and ground-based faciliti…
Gaia's revolution in stellar variability
L. Eyer, L. Rimoldini, L. Rohrbasser +15
Stellar variability studies are now reaching a completely new level thanks to ESA's Gaia mission, which enables us to locate many variable stars in the Hertzsprung-Russell diagram…
Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye
Łukasz Wyrzykowski, P. Mróz, K. A. Rybicki +182
Gaia16aye was a binary microlensing event discovered in the direction towards the northern Galactic disc and was one of the first microlensing events detected and alerted to by the…
The Carnegie-Chicago Hubble Program: Calibration of the Near-Infrared RR Lyrae Period-Luminosity Relation With HST
Jeffrey A. Rich, Barry F. Madore, Andrew J. Monson +12
We present photometry of 30 Galactic RR Lyrae variables taken with HST WFC3/IR for the Carnegie-Chicago Hubble Program. These measurements form the base of the distance ladder meas…
The Gaia-LSST Synergy: resolved stellar populations in selected Local Group stellar systems
G. Clementini, I. Musella, A. Chieffi +18
This project aims at exploiting the wide-field and limiting-magnitude capabilities of the LSST to fully characterise the resolved stellar populations in/around six Local Group stel…
The Carnegie RR Lyrae Program: Mid-infrared Period-Luminosity relations of RR Lyrae stars in Reticulum
Tatiana Muraveva, Alessia Garofalo, Victoria Scowcroft +4
We analysed 30 RR Lyrae stars (RRLs) located in the Large Magellanic Cloud (LMC) globular cluster Reticulum that were observed in the 3.6 and 4.5 m passbands with the Infrared A…
RR Lyrae stars as standard candles in the Gaia Data Release 2 Era
Tatiana Muraveva, Hector E. Delgado, Gisella Clementini +2
We present results from the analysis of 401 RR Lyrae stars (RRLs) belonging to the field of the Milky Way (MW). For a fraction of them multi-band (, , ) photometr…
All-sky RR Lyrae Stars in the Gaia Data
Lorenzo Rimoldini, Laurent Eyer, Nami Mowlavi +22
The second Gaia data release is expected to contain data products from about 22 months of observation. Based on these data, we aim to provide an advance publication of a full-sky G…
Gaia, Stellar Populations and the Distance Scale
Gisella Clementini, Alessia Garofalo, Tatiana Muraveva +1
We discuss the impact that Gaia, a European Space Agency (ESA) cornerstone mission that has been in scientific operations since July 2014, is expected to have on the definition of…
Gaia Data Release 2: Variable stars in the colour-absolute magnitude diagram
Gaia Collaboration, L. Eyer, L. Rimoldini +14
The ESA Gaia mission provides a unique time-domain survey for more than 1.6 billion sources with G ~ 21 mag. We showcase stellar variability across the Galactic colour-absolute mag…
The VMC survey - XXVI. Structure of the Small Magellanic Cloud from RR Lyrae stars
T. Muraveva, S. Subramanian, G. Clementini +10
We present results from the analysis of 2997 fundamental mode RR Lyrae variables located in the Small Magellanic Cloud (SMC). For these objects near-infrared time-series photometry…
Gaia's Cepheids and RR Lyrae Stars and Luminosity Calibrations Based on Tycho-Gaia Astrometric Solution
Gisella Clementini, Laurent Eyer, Tatiana Muraveva +11
Gaia Data Release 1 contains parallaxes for more than 700 Galactic Cepheids and RR Lyrae stars, computed as part of the Tycho-Gaia Astrometric Solution (TGAS). We have used TGAS pa…
Pulsating star research and the Gaia revolution
Laurent Eyer, Gisella Clementini, Leanne P. Guy +17
In this article we present an overview of the ESA Gaia mission and of the unprecedented impact that Gaia will have on the field of variable star research. We summarise the contents…
Standard Galactic Field RR Lyrae. I. Optical to Mid-infrared Phased Photometry
Andrew J. Monson, Rachael L. Beaton, Victoria Scowcroft +6
We present a multi-wavelength compilation of new and previously-published photometry for 55 Galactic field RR Lyrae variables. Individual studies, spanning a time baseline of up to…
The VMC survey - XXIII. Model fitting of light and radial velocity curves of Small Magellanic Cloud classical Cepheids
Marcella Marconi, Roberto Molinaro, Vincenzo Ripepi +7
We present the results of the chi2 minimization model fitting technique applied to optical and near-infrared photometric and radial velocity data for a sample of 9 fundamental and…