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astro-ph1997
Very rapid optical variability of PKS 2155-304
S. Paltani, T. J. -L. Courvoisier, A. Blecha +1
We have performed an optical observation campaign on PKS 2155-304, whose aim was to determine the variability properties of this object on very short time scales in several photome…
astro-ph1996
Disc galaxies with multiple triaxial structures. II. JHK surface photometry and numerical simulations
D. Friedli, H. Wozniak, M. Rieke +2
We present detailed JHK surface photometry with ellipse fits of 13 galaxies selected from previous optical observations as likely candidates for having a secondary bar or a triaxia…