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Born in a pair (?): Pisces II and Pegasus III
Alessia Garofalo, Maria Tantalo, Felice Cusano +5
We have used B, V time series photometry collected with the Large Binocular Telescope to undertake the first study of variable stars in the Milky Way ultra-faint dwarf (UFD) satell…
Galactic spiral structure revealed by Gaia EDR3
E. Poggio, R. Drimmel, T. Cantat-Gaudin +14
Using the astrometry and integrated photometry from the Gaia Early Data Release 3 (EDR3), we map the density variations in the distribution of young Upper Main Sequence (UMS) stars…
Reaching the oldest stars beyond the Local Group: ancient star formation in UGC 4483
Elena Sacchi, Alessandra Aloisi, Matteo Correnti +9
We present new WFC3/UVIS observations of UGC 4483, the closest example of a metal-poor blue compact dwarf galaxy, with a metallicity of and located at a…
Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds
Gaia Collaboration, X. Luri, L. Chemin +417
We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show…