Search Results - "Dall'Ora, Massimo"
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Metallicity of Galactic RR Lyrae from Optical and Infrared Light Curves. I. Period–Fourier–Metallicity Relations for Fundamental-mode RR Lyrae
Published in The Astrophysical journal (01-05-2021)“…Abstract We present newly calibrated period– ϕ 31 –[Fe/H] relations for fundamental-mode RR Lyrae stars in the optical and, for the first time, mid-infrared…”
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On a New Theoretical Framework for RR Lyrae Stars. II. Mid-infrared Period-Luminosity-Metallicity Relations
Published in The Astrophysical journal (01-06-2017)“…We present new theoretical period-luminosity-metallicity (PLZ) relations for RR Lyræ stars (RRLs) at Spitzer and WISE wavelengths. The PLZ relations were…”
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RR Lyrae Mid-infrared Period–Luminosity–Metallicity and Period–Wesenheit–Metallicity Relations Based on Gaia DR3 Parallaxes
Published in The Astrophysical journal (01-03-2023)“…Abstract We present new empirical infrared period–luminosity–metallicity (PLZ) and period–Wesenheit–metallicity (PWZ) relations for RR Lyae based on the latest…”
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Precise Empirical Determination of Metallicity Dependence of Near-infrared Period–Luminosity Relations for RR Lyrae Variables
Published in Astrophysical journal. Letters (01-02-2023)“…Abstract RR Lyrae variables are excellent Population II distance indicators thanks to their well-defined period–luminosity relations (PLRs) at infrared…”
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Metallicities from high-resolution spectra of 49 RR Lyrae variables
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…ABSTRACT Accurate metallicities of RR Lyrae are extremely important in constraining period–luminosity–metallicity (PLZ) relationships, particularly in the…”
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The geology and evolution of the Near-Earth binary asteroid system (65803) Didymos
Published in Nature communications (30-07-2024)“…Images collected during NASA’s Double Asteroid Redirection Test (DART) mission provide the first resolved views of the Didymos binary asteroid system. These…”
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Rubin Observatory LSST Transients and Variable Stars Roadmap
Published in Publications of the Astronomical Society of the Pacific (01-10-2023)“…Abstract The Vera C. Rubin Legacy Survey of Space and Time (LSST) holds the potential to revolutionize time domain astrophysics, reaching completely unexplored…”
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The GALAH survey: tracing the Milky Way’s formation and evolution through RR Lyrae stars
Published in Monthly notices of the Royal Astronomical Society (01-06-2024)“…ABSTRACT Stellar mergers and accretion events have been crucial in shaping the evolution of the Milky Way (MW). These events have been dynamically identified…”
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Variable Stars in the Newly Discovered Milky Way Satellite in Bootes
Published in The Astrophysical journal (20-12-2006)“…We present V, I light curves for 12 variable stars identified in the newly discovered satellite of the Milky Way in the Bootes constellation. Our sample…”
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The Leo IV Dwarf Spheroidal Galaxy: Color-Magnitude Diagram and Pulsating Stars
Published in The Astrophysical journal (01-07-2009)“…We present the first V, B - V color-magnitude diagram of the Leo IV dwarf spheroidal galaxy, a faint Milky Way satellite recently discovered by the Sloan…”
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Variable Stars in the Newly Discovered Milky Way Dwarf Spheroidal Satellite Canes Venatici I
Published in The Astrophysical journal (20-02-2008)“…We have Identified 23 RR Lyrae stars and three possible anomalous Cepheids (ACs) among 84 candidate variables in the recently discovered Canes Venatici I (CVn…”
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On the Newly Discovered Canes Venatici II dSph Galaxy
Published in The Astrophysical journal (10-03-2008)“…We report on the detection of variable stars in the Canes Venatici II (CVn II) dwarf spheroidal galaxy, a new satellite of the Milky Way recently discovered by…”
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Expected Investigation of the (65803) Didymos–Dimorphos System Using the RGB Spectrophotometry Data Set from the LICIACube Unit Key Explorer (LUKE) Wide-angle Camera
Published in The planetary science journal (01-07-2022)“…Abstract The Light Italian Cubesat for Imaging of Asteroids (LICIACube) is part of the NASA Double Asteroid Redirection Test (DART), the first mission aiming…”
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The SSDC Role in the LICIACube Mission: Data Management and the MATISSE Tool
Published in The planetary science journal (01-05-2022)“…Abstract Light Italian Cubesat for Imaging of Asteroids (LICIACube) is an Italian mission managed by the Italian Space Agency (ASI) and part of the NASA Double…”
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The Araucaria Project: The Distance to the Local Group Galaxy IC 1613 from Near-Infrared Photometry of Cepheid Variables
Published in The Astrophysical journal (01-05-2006)“…We have measured accurate near-infrared magnitudes in the J and K bands of 39 Cepheid variables in the irregular Local Group galaxy IC 1613 with…”
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Old-Aged Primary Distance Indicators
Published in Space science reviews (01-12-2018)“…Old-aged stellar distance indicators are present in all Galactic structures (halo, bulge, disk) and in galaxies of all Hubble types and, thus, are immensely…”
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New Theoretical Period–Luminosity–Metallicity Relations for RR Lyrae in the Rubin-LSST Filters
Published in The Astrophysical journal (01-07-2022)“…Abstract The revolutionary power of future Rubin-LSST observations will allow us to significantly improve the physics of pulsating stars, including RR Lyrae…”
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Metallicity of Galactic RR Lyrae from Optical and Infrared Light Curves. II. Period–Fourier–Metallicity Relations for First Overtone RR Lyrae
Published in The Astrophysical journal (01-06-2022)“…Abstract We present new period- ϕ 31 -[Fe/H] relations for first-overtone RRL stars (RRc), calibrated over a broad range of metallicities (−2.5 ≲ [Fe/H] ≲ 0.0)…”
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Dark halo structure in the Carina dwarf spheroidal galaxy: joint analysis of multiple stellar components
Published in Monthly notices of the Royal Astronomical Society (21-11-2018)Get full text
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On the Dwarf Irregular Galaxy NGC 6822. I. Young, Intermediate, and Old Stellar Populations
Published in The Astrophysical journal (01-07-2022)“…Abstract We present accurate and deep multiband ( g , r , i ) photometry of the Local Group dwarf irregular galaxy NGC 6822. The images were collected with…”
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