-
Article
Optical behaviour of XTE J1550-564 and XTE J1859+226 from outburst to quiescence
We present here the optical light curves of the Soft X-ray TransientsXTE J1550-564 and XTEJ1859+226 from outburst to quiescence
-
Article
Study of WATCH GRB error boxes
We have studied the first WATCH GRB Catalogue ofγ-ray Bursts in order to find correlations between WATCH GRB error boxes and a great variety of celestial objects present in 33 different catalogues. No particular ...
-
Article
Review of GRANAT observations of gamma-ray bursts
The GRANAT observatory was launched into a high apogee orbit on 1 December, 1989. Three instruments onboard GRANAT - PHEBUS, WATCH and SIGMA are able to detect gamma-ray bursts in a very broad energy range fro...
-
Article
The HEAO-3 Cosmic Ray Isotope spectrometer
This paper describes the Cosmic Ray Isotope instrument launched aboard the HEAO-3 satellite on September 20, 1979. The primary purpose of the experiment is to measure the isotopic composition of cosmic ray nuc...