Photometry of CPD - 48 deg 1577

Details Photometry of CPD - 48 deg 1577 Photometry of CPD - 48 deg 1577

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211..629w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Dec. 1, 1984, p. 629-636.

Other

16

Cataclysmic Variables, Light Curve, Stellar Spectrophotometry, Ubv Spectra, Orbital Elements, Power Spectra, Stellar Luminosity, Stellar Models, Time Series Analysis

Scientific paper

U, B, and V photometry is presented for CPD -48°1577, the newly discovered cataclysmic variable with the greatest known apparent brightness. The light curves are dominated by flickering but do suggest an orbital period of nearly 4 hr. Power spectra of 5 nights of U-band observations failed to reveal the presence of any periodic or quasi-periodic oscillations. Autocorrelation functions suggest that two time-scales exist in the flickering activity, one of 77 s and the other 500 s. The implications for a shot noise model of flickering are discussed.

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