10199 Chariklo is the largest Centaur so far known. To investigate its surface composition and possible surface variations, spectroscopic observations have been...
A portrait of the Trans-Neptunian Object (143707) 2003 UY117 from a stellar occultation and photometry data.
Within the Lucky Star international collaboration* on stellar occultations by TNOs and other outer solar system bodies, we predicted the occultation by the TNO...
Two independent sets of Chandra and HST images of the nuclear region of M31 allow registration of X-ray and optical images to ˜ 0.1''. This registration shows...
This document presents a proposal for the design of the LEST correlation tracker prototype. The proposed correlator, based on the absolute differences algorithm...
A possible method of determining the mass function of BL Lac
Discrete events with internally consistent properties are found in the light curve of the active galaxy BL Lac, which are consistent with the expected...
A possible nineteen-minute periodicity in the light curve of OJ 287
A periodic signal of high nominal significance (99.95%) is found in the light curve of OJ 287 in observations taken with the Prime Focus Camera Unit on the 2.5...
A possible nineteen-minute periodicity in the light curve of OJ 287
A periodic signal of high nominal significance (99.95 percent) is found in the light curve of OJ 287 in observations taken with the Prime Focus Camera Unit on...
A Possible Nova from the IRAS Point Source Catalogue
During a spectroscopic survey of IRAS sources with infrared colours similar to those in planetary nebulae, IRAS 06518-1041 revealed itself as a possible...