Recent phase changes in X Persei: optical, infrared and X-ray behaviour

We present a set of optical and IR photometric measurements which show the lightcurve of the Be/X-ray binary system X Persei over the last 25 yr. During this period, the Be star has undergone two extended faint, nonvariable phases, the last of which (1990-present) has been shown to be related to the...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 1993-03, Vol.270 (1-2), p.122-138
Hauptverfasser:	ROCHE, P, COC, M. J, FABREGAT, J, MCHARDY, I. M, NORTON, A. J, PERCY, J. R, REGLERO, V, REYNOLDS, A, UNGER, S. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations Observation and data reduction techniques. Computer modeling and simulation
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