Preprint Logo P51 April
2000


To be published in:
Astronomy & Astrophysics

Simulations of Observations with the Optical Monitor of the X-Ray Multi-Mirror Satellite

P. Royer1,*, J. Manfroid1,**, E. Gosset1,*** and J.-M. Vreux1


1 Institut d'Astrophysique et de Géophysique - Université de Liège, Avenue de Cointe 5, 4000 Liège, Belgium

* Aspirant FNRS, Belgium
** Directeur de Recherches FNRS, Belgium
*** Chercheur Qualifié FNRS, Belgium


Abstract

     This paper addresses the question of the observations 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 standard UBV system. Second, we establish a set of procedures to determine the temperature and the amount of interstellar absorption affecting the observed stars. Last, we address the possibility of isolating quasars in multidimensional colour diagrams based on the XMM-OM filter set.

Key Words
Satellite : XMM -- Photometry : colour transformations; Interstellar absorption; Quasars : identification of candidates}

Files
Article: xmm-om.ps.gz (127440 bytes): HTTP FTP (ftp://vela.astro.ulg.ac.be/preprints/)


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