Место издания:Astronomical Society of the Pacific San Francisco
Первая страница:501
Аннотация:Based on 21 nights (JD 2452587 - 2453183) of CCD photometry, candidate frequencies at 2.1496, 2.162 and 3.1492 c/d are suggested for variability on hours time scale. The 24-minute oscillations correspond to the ephemeris {MaxHJD} = 2452849.10400(38) + 0.016810186(46)E and a mean semi-amplitude of 0.021(3) magnitudes. There may be waves with frequency of 21.56 or 22.56 cycles/day.