activity
20042026
most citedCepheid calibration of type Ia Supernovae and the Hubble constant

139 citations · 2.5k across the 83 of their papers we have counts for

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Showing 2021Show all

6 papers · 1 filter

astro-ph.GA2021★ 20 cited

Variable stars in Local Group Galaxies -- V. The fast and early evolution of the low-mass Eridanus II dSph galaxy

C. E. Martínez-Vázquez, M. Monelli, S. Cassisi +18

We present a detailed study of the variable star population of Eridanus II (Eri II), an ultra-faint dwarf galaxy that lies close to the Milky Way virial radius. We analyze multi-ep…

astro-ph.GA2021★ 9 cited

Towards Realistic Modeling of the Astrometric Capabilities of MCAO Systems: Detecting an Intermediate Mass Black Hole with MAVIS

Stephanie Monty, Francois Rigaut, Richard McDermid +9

Accurate astrometry is a key deliverable for the next generation of multi-conjugate adaptive optics (MCAO) systems. The MCAO Visible Imager and Spectrograph (MAVIS) is being design…

astro-ph.SR2021★ 21 cited

On the Use of Field RR Lyrae as Galactic Probes. V. Optical and radial velocity curve templates

V. F. Braga, J. Crestani, M. Fabrizio +29

We collected the largest spectroscopic catalog of RR Lyrae (RRLs) including 20,000 high-, medium- and low-resolution spectra for 10,000 RRLs. We provide the analy…

astro-ph.SR2021★ 34 cited

On the use of field RR Lyrae as Galactic probes: IV. New insights into and around the Oosterhoff dichotomy

M. Fabrizio, V. F. Braga, J. Crestani +30

We discuss the largest and most homogeneous spectroscopic dataset of field RR Lyrae variables (RRLs) available to date. We estimated abundances using both high-resolution and low-r…

astro-ph.SR2021★ 28 cited

Metallicities from high resolution spectra of 49 RR Lyrae Variables

Christina K. Gilligan, Brian Chaboyer, Massimo Marengo +12

Accurate metallicities of RR Lyrae are extremely important in constraining period-luminosity-metallicity relationships (PLZ), particularly in the near-infrared. We analyse 69 high-…

astro-ph.SR2021★ 42 cited

Metallicity of Galactic RR Lyrae from Optical and Infrared Light Curves: I. Period-Fourier-Metallicity Relations for Fundamental Mode RR Lyrae

Joseph P. Mullen, Massimo Marengo, Clara E. Martínez-Vázquez +12

We present newly-calibrated period--[Fe/H] relations for fundamental mode RR Lyrae stars in the optical and, for the first time, mid-infrared. This work's calibration datas…