33 citations · 33 across the 2 of their papers we have counts for
Showing astro-phShow all
2 papers · 1 filter
astro-ph2008★ 33 cited
Is a binary fraction-age relation responsible for the lack of EHB binaries in globular clusters?
C. Moni Bidin, M. Catelan, M. Altmann
The recently-discovered lack of close binaries, among extreme horizontal branch (EHB) stars in Galactic globular clusters, has thus far constituted a major puzzle, in view of the f…
astro-ph2005
Searching for merger debris in the Galactic halo: Chemodynamical evidence based on local blue HB stars
Martin Altmann, Marcio Catelan, Manuela Zoccali
We report on the discovery of a group of local A-type blue horizontal-branch (HBA) stars moving in a prograde, comet-like orbit with very similar kinematics and abundances. This se…