Chaty, S.; Haswell, C.A.; Hynes, R.I.; Shrader, C.R.; Cui, W.; Mauche, C.W.; Norton, A.J.; Solheim, J-E.; Østensen, R.; Geballe, T.R.; Ioannou, Z. and King, A.R.
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We report here on multiwavelength observations of the two new soft X-ray transients (SXTs) XTE J1859+226 and XTE J1118+480, which we observed with HST/RXTE/UKIRT. For XTE J1118+480 we also used EUVE since it is located at a very low extinction. The two sources exhibited very different behaviour. XTE J1859+226 seems quite normal and therefore a good object for testing the accretion mechanisms in place during the outbursts, XTE J1118+480 is much more unusual because it exhibits I) a low X-ray to optical ratio and II) a strong non-thermal contribution in the radio to optical domain, which is likely to be due to synchrotron emission. We concentrate here on the near-infrared (NIR) and optical observations of these two sytems.
|Item Type:||Conference Item|
|Copyright Holders:||2001 European Space Agency|
|Extra Information:||ISBN: 9290926775|
|Keywords:||X-rays; stars, infrared; stars|
|Academic Unit/Department:||Science > Physical Sciences|
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Users 6827 not found.|
|Date Deposited:||11 Jul 2006|
|Last Modified:||09 May 2011 09:31|
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