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Dwarf spheroidal satellites of M31: I. Variable stars and stellar populations in Andromeda XIX
Felice Cusano, Gisella Clementini, Alessia Garofalo +9
We present B,V time-series photometry of Andromeda XIX (And XIX), the most extended (half-light radius of 6.2') of Andromeda's dwarf spheroidal companions, that we observed with th…
Twenty-Five Sub-Arcsecond Binaries Discovered By Lunar Occultations
A. Richichi, O. Fors, F. Cusano +1
We report on 25 sub-arcsecond binaries, detected for the first time by means of lunar occultations in the near-infrared as part of a long-term program using the ISAAC instrument at…
Variable stars in the ultra-faint dwarf spheroidal galaxy Ursa Major I
Alessia Garofalo, Felice Cusano, Gisella Clementini +6
We have performed the first study of the variable star population of Ursa Major I (UMa I), an ultra-faint dwarf satellite recently discovered around the Milky Way by the Sloan Digi…