Optical studies of two LMC X-ray transients : RX J0544.1-7100 and RX J0520.5-6932

D.A.H. Buckley (SAAO); I. Negueruela (Observatoire de Strasbourg); M.J. Coe (Southampton University); N.J. Haigh (Southampton University); S.G.T. Laycock (Southampton University)

arxiv: astro-ph/0101192 · v1 · submitted 2001-01-11 · 🌌 astro-ph

Optical studies of two LMC X-ray transients : RX J0544.1-7100 and RX J0520.5-6932

M.J. Coe (Southampton University) , I. Negueruela (Observatoire de Strasbourg) , D.A.H. Buckley (SAAO) , N.J. Haigh (Southampton University) , S.G.T. Laycock (Southampton University) This is my paper

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keywords dataj0520opticalj0544observationsoglex-rayaddition

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We report observations which confirm the identities of the optical counterpart to the transient sources RX J0544.1-7100 and RX J0520.5-6932. The counterparts are suggested to be a B-type stars. Optical data from the observations carried out at ESO and SAAO, together with results from the OGLE data base, are presented. In addition, X-ray data from the RXTE all-sky monitor are investigated for long term periodicities. A strong suggestion for a binary period of 24.4d is seen in RX J0520.5-6932 from the OGLE data.

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Optical studies of two LMC X-ray transients : RX J0544.1-7100 and RX J0520.5-6932

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