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Investigating potential planetary nebula/cluster pairs
Christian Moni Bidin, Daniel Majaess, Charles Bonatto +10
Fundamental parameters characterizing the end-state of intermediate-mass stars may be constrained by discovering planetary nebulae (PNe) in open clusters (OCs). Cluster membership…
Anchors for the Cosmic Distance Scale: the Cepheids U Sgr, CF Cas and CEab Cas
D. Majaess, G. Carraro, C. Moni Bidin +11
New and existing X-ray, UBVJHKsW(1-4), and spectroscopic observations were analyzed to constrain fundamental parameters for M25, NGC 7790, and dust along their sight-lines. The sta…
A couple of recent developments in the structure of the outer disk of the Milky Way
G. Carraro, G. Perren, R. A. Vázquez +1
In this contribution we summarize recent achievements by our group on the understanding of the structure of the outer Galactic disk, with particular emphasis to the outer disk exte…
UB CCD photometry of the old, metal rich, open clusters NGC 6791, NGC 6819 and NGC 7142
G. Carraro, A. Buzzoni, E. Bertone +1
We report on a UV-oriented imaging survey in the fields of the old, metal-rich open clusters, NGC 6791, NGC 6819 and NGC 7142. These three clusters represent both very near and ide…
Properties and origin of the old, metal rich, star cluster, NGC 6791
Giovanni Carraro
In this contribution I summarize the unique properties of the old, metal rich, star cluster NGC 6791, with particular emphasis on its population of extreme blue horizontal branch s…
The Milky Way thin disk structure as revealed by stars and young open clusters
Giovanni Carraro
In this contribution I shall focus on the structure of the Galactic thin disk. The evolution of the thin disk and its chemical properties have been discussed in detail by T. Bensby…
The distance to the young open cluster Westerlund 2
Giovanni Carraro, David Turner, D. Majaess +1
A new X-ray, {\it UBVR}, and {\it JHK} study of the young cluster Westerlund 2 was undertaken to resolve discrepancies tied to the cluster's distance. Existing spectroscopi…
Anchors for the Cosmic Distance Scale: the Cepheid QZ Normae in the Open Cluster NGC 6067
D. Majaess, L. Sturch, C. Moni Bidin +13
Cepheids are key to establishing the cosmic distance scale. Therefore it's important to assess the viability of QZ Nor, V340 Nor, and GU Nor as calibrators for Leavitt's law via th…