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On the distance of the globular cluster M4 (NGC 6121) using RR Lyrae stars: I. optical and near-infrared Period-Luminosity and Period-Wesenheit relations
V. F. Braga, M. Dall'Ora, G. Bono +16
We present new distance determinations to the nearby globular M4 (NGC~6121) based on accurate optical and Near Infrared (NIR) mean magnitudes for fundamental (FU) and first overton…
The Carina Project VII: Towards the breaking of the age-metallicity degeneracy of red giant branch stars using the c_UBI index
M. Monelli, A. P. Milone, M. Fabrizio +13
We present an analysis of photometric and spectroscopic data of the Carina dSph galaxy, testing a new approach similar to that used to disentangle multiple populations in Galactic…
The globular cluster NGC 6528 the ferrous side of the Galactic Bulge
E. P. Lagioia, A. P. Milone, G. Bono +12
We present new and accurate optical photometry of the Bulge globular cluster NGC 6528. The images were collected with ACS at HST and together with WFC3 (UVIS, IR) allowed us to mea…
M31 Pixel Lensing PLAN Campaign: MACHO Lensing and Self Lensing Signals
S. Calchi Novati, V. Bozza, I. Bruni +14
We present the final analysis of the observational campaign carried out by the PLAN (Pixel Lensing Andromeda) collaboration to detect a dark matter signal in form of MACHOs through…