Showing papers by "Pierre Royer published in 2000"
TL;DR: In this article, the authors address the possibility of isolating quasars in multidimensional colour diagrams based on the XMM-OM lter set and establish a set of procedures to determine the temperature and the amount of interstellar ab- sorption aecting the observed stars.
Abstract: This paper addresses the question of the obser- vations to be performed with the Optical Monitor (OM) of the X-ray Multi-Mirror Satellite (XMM) under several aspects. First, we discuss XMM-OM's photometric system and its colour transformations towards the standardUBV system. Second, we establish a set of procedures to deter- mine the temperature and the amount of interstellar ab- sorption aecting the observed stars. Last, we address the possibility of isolating quasars in multidimensional colour diagrams based on the XMM-OM lter set.
9 citations