Abstract
view Abstract Citations (53) References (51) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Long-Term Variability in Low-Mass X-Ray Binaries: A Study Using Data from VELA 5B Smale, Alan P. ; Lochner, James C. Abstract A complete sample of low-mass X-ray binaries in uncrowded fields obtained from Vela 5B is studied here for periodic and aperiodic time variability on time scales of more than one day. The strong 176-day periodicity in X1820 - 303 is confirmed, and evidence is found for a significant 77-day period in Cyg X-2 and for variability on time scales of less than about 200 days in Cyg X-3. Limits are set on the possible amplitude of candidate periodicities in the literature for Ser X-1 and X0614 + 091. The evidence reported here suggests that while long-term cyclic variability is common among high-mass binaries, it is a rare occurrence in low-mass systems. Publication: The Astrophysical Journal Pub Date: August 1992 DOI: 10.1086/171678 Bibcode: 1992ApJ...395..582S Keywords: Fourier Analysis; Light Curve; Variable Stars; X Ray Binaries; Accretion Disks; Power Spectra; Stellar Mass; Astrophysics; STARS: BINARIES: CLOSE; STARS: VARIABLES: OTHER MISCELLANEOUS; X-RAYS: STARS full text sources ADS | data products SIMBAD (29)
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