Abstract
view Abstract Citations (11) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Six Years of Photometry of the RS CVn Binary EI ERI = HD 26337 Hall, Douglas S. ; Osborn, Stephanie A. G. ; Seufert, Edward R. ; Boyd, Louis J. ; Genet, Russell M. ; Fried, Robert E. Abstract Six years of differential UBV photoelectric photometry of this G5 IV SB1 RS CVn binary is presented. Periodogram analysis yields a photometric period of either 1d.95 or 2d.04, but it is shown that the latter is an alias. There were season-to-season variations in the photometric period (by ∼1%), the light-curve amplitude (0m.07 - 0m.20), and the mean light level (by ∼10%) not correlated with each other. The mean value P(phtm.) = 1d.945±0d.005 is so close to P(orb.) = 1d.9472 that the authors conclude the G5 IV star is rotating synchronously. Publication: The Astronomical Journal Pub Date: September 1987 DOI: 10.1086/114509 Bibcode: 1987AJ.....94..723H Keywords: STARS: BINARIES full text sources ADS | data products SIMBAD (2)
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