Period-luminosity relation for persistent low-mass X-ray binaries in the near-infraredстатья

Статья опубликована в высокорейтинговом журнале

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

Работа с статьей

[1] Revnivtsev M. G., Zolotukhin I. Y., Meshcheryakov A. V. Period-luminosity relation for persistent low-mass x-ray binaries in the near-infrared // Monthly Notices of the Royal Astronomical Society. — 2012. — Vol. 421, no. 4. — P. 2846–2853. We study the relations between the X-ray luminosity, orbital period and absolute near-infrared magnitude of persistent low-mass X-ray binaries (LMXBs). We show that often the optical and near-infrared spectral energy distributions of LMXBs can be adequately described by a simple model of an accretion disc and a secondary star reprocessing X-ray emission from a central compact object. This gives us evidence that one can make a reliable estimate of the orbital period of a persistent LMXB using an X-ray luminosity and an absolute infrared magnitude. Using a sample of well-known LMXBs, we have constructed a correlation of LX, Porb and MK values that can be approximated by a straight line with root-mean-square scatter at the level of ˜0.3 mag. Such a correlation, being to some extent analogous to the correlation found by van Paradijs & McClintock, might be helpful for future population studies, especially in the light of forthcoming surveys of the Galaxy in the X-ray and infrared spectral domains. [ DOI ]

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