66 citations · 131 across the 2 of their papers we have counts for
5 papers
Ten-year optical monitoring of PKS 0735+178: historical comparison, multiband behaviour and variability timescales
S. Ciprini, L. O. Takalo, G. Tosti +7
New data and results on the optical behaviour of the blazar PKS 0735+178 are presented. In addition the whole historical light curve, and a new photometric calibration of compariso…
Structure and flux variability in the VLBI jet of BL Lacertae during the WEBT campaigns (1995--2004)
U. Bach, M. Villata, C. M. Raiteri +9
BL Lacertae has been the target of several observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration and is one of the best studied blazars at all accessible wav…
Chromaticity in all-reflective telescopes for astrometry
D. Busonero, M. Gai, D. Gardiol +2
Chromatic effects are usually associated with refractive optics, so reflective telescopes are assumed to be free from them. We show that all-reflective optics still bears significa…
Space-VLBI Polarimetry of the BL Lac Object S5 0716+714: Rapid Polarization Variability in the VLBI core
U. Bach, T. P. Krichbaum, A. Kraus +2
To determine the location of the intra-day variable (IDV) emission region within the jet of the BL Lac object S5 0716+714, a multi-epoch VSOP polarization experiment was performed…
UBVRI photopolarimetry of the long period eclipsing AM Herculis binary V1309
S. Katajainen, V. Piirola, G. Ramsay +6
We report simultaneous UBVRI photo-polarimetric observations of the long period (7.98 h) AM Her binary V1309 Ori. The length and shape of the eclipse ingress and egress varies from…