We report intermediate resolution H alpha spectroscopy of the black hole candidate Nova Muscae 1991 during quiescence. We classify the companion star as a K3...
Two-site CCD observations and spectroscopy of HD 207331: A new δ Scuti variable in Cygnus
The results of an observational campaign on the new δ Scuti pulsator HD 207331 are reported. The star was observed photometrically from August 26 to September 2...
VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way
We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity...