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Ultracompact dwarfs around NGC 3258 in the Antlia cluster
(Wiley Blackwell Publishing, Inc, 2013-04)
We present the first compact stellar systems with luminosities in the range of ultracompact dwarfs (UCDs), discovered in the Antlia galaxy cluster (−10.5 < Mv < −11.6). The magnitude limit between UCDs and globular clusters ...
The Araucaria Project. Infrared Tip of the Red Giant Branch Distances to the Carina and Fornax Dwarf Spheroidal Galaxies
(2009)
We present distance determinations for two Local Group dwarf spheroidal galaxies, Carina and Fornax, based on the near-infrared magnitudes of the tip of the red giant branch (TRGB). For Carina we derive true distance moduli ...
A Rogues' Gallery of Andromeda's Dwarf Galaxies. I. A Predominance of Red Horizontal Branches
(IOP PUBLISHING LTD, 2017)
We present homogeneous, sub-horizontal branch photometry of 20 dwarf spheroidal satellite galaxies of M31 observed with the Hubble Space Telescope. Combining our new data for 16 systems with archival data in the same filters ...
Stellar kinematics of the Andromeda II dwarf spheroidal galaxy
(Institute of Physics Publishing, 2012)
We present kinematical profiles and metallicity for the M31 dwarf spheroidal (dSph) satellite galaxy AndromedaII (AndII) based on Keck DEIMOS spectroscopy of 531 red giant branch stars. Our kinematical sample is among the ...
Search for giant planets around seven white dwarfs in the Hyades cluster with the Hubble Space Telescope
(Oxford University Press, 2021-01-01)
Only a small number of exoplanets have been identified in stellar cluster environments. We initiated a high angular resolution direct imaging search using the Hubble Space Telescope (HST) and its Near-Infrared Camera and ...
Blue not brown: UKIRT Infrared Deep Sky Survey T dwarfs with suppressed K-band flux
(2011)
We have used blue near-infrared colours to select a group of 12 spectroscopically confirmed United Kingdom InfraRed Telescope (UKIRT) Infrared Deep Sky Survey (UKIDSS) T dwarfs later than T4. From amongst these, we identify ...
Evidence of a brown dwark in the eclipsing dwarf nova Z Chamaeleonis
(IOP Publishing, 2009-09)
We presented three new CCD observations of light minima of Z Chamaeleonis. All 187 available times of light minimum including 37 photographic data are compiled, and a new orbital period analysis is made by means of the ...