Evidence for evolving accretion disc structure in 4U1957+115

We present results of the first multicolour photometric study of 4U1957+115, one of the optically less studied low-mass X-ray binaries (LMXBs). Our quasi-simultaneous UBVRI observations reveal that the light-curve pulse shape over the 9.33-h period discovered by Thorstensen has changed substantially...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 1999-07, Vol.306 (3), p.701-707, Article 701
Hauptverfasser:	Hakala, P. J., Muhli, P., Dubus, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	accretion accretion discs accretion, accretion discs binaries: close stars: individual: 4U1957+115 X-rays: stars
Online-Zugang:	Volltext
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