3 papers
astro-ph.CO2012
Time delay between images of the lensed quasar UM673
E. Koptelova, W. P. Chen, T. Chiueh +11
We study brightness variations in the double lensed quasar UM673 (Q0142-100) with the aim of measuring the time delay between its two images. In the paper we combine our previously…
astro-ph.IM2009
Measurement of optical turbulence in free atmosphere above Mt.Maidanak in 2005-2007
V. Kornilov, S. Ilyasov, O. Voziakova +5
Results of 2005-2007 campaign of measurement of the optical turbulence vertical distribution above Mt. Maidanak are presented. Measurements are performed with the MASS (Multi-Apert…
astro-ph1999
Flickering in FU Orionis
Scott J. Kenyon, E. A. Kolotilov, M. A. Ibragimov +1
We analyze new and published optical photometric data of FU Orionis, an eruptive pre-main sequence star. The outburst consists of a 5.5 mag rise at B with an e-folding timescale of…