4 papers · 1 filter
UBVR and HST mid-UV and near-IR surface photometry and radial color gradients of late-type, irregular, and peculiar galaxies
Violet A. Taylor, Rolf A. Jansen, Rogier A. Windhorst +2
We introduce a dataset of 142 mostly late-type spiral, irregular, and peculiar (interacting or merging) nearby galaxies observed in UBVR at the Vatican Advanced Technology Telescop…
Observing Conditions at Mt.Graham: VATT UBVR Sky Surface Brightness and Seeing Measurements from 1999 through 2003
Violet Taylor, Rolf Jansen, Rogier Windhorst
We present measurements of sky surface brightness and seeing on Mt.Graham obtained at the Vatican Advanced Technology Telescope (VATT) during 16 observing runs between April 1999 a…
Star Cluster Formation and Evolution in Nearby Starburst Galaxies: I. Systematic Uncertainties
R. de Grijs, U. Fritze-v. Alvensleben, P. Anders +4
(ABBREVIATED:) The large majority of extragalactic star cluster studies done to date have essentially used two or three-passband aperture photometry, combined with theoretical stel…
UV-Optical Pixel Maps of Face-On Spiral Galaxies -- Clues for Dynamics and Star Formation Histories
Paul B. Eskridge, Jay A. Frogel, Violet A. Taylor +8
UV and optical images of the face-on spiral galaxies NGC 6753 and NGC 6782 reveal regions of strong on-going star formation that are associated with structures traced by the old st…