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The photometric variability of the Be star MW Serpenitis (CROSBI ID 88021)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Percy, John R. ; Marinova, Margarita ; Božić, Hrvoje ; Harmanec, Petr The photometric variability of the Be star MW Serpenitis // Astronomy & astrophysics, 348 (1999), 2; 553-556-x

Podaci o odgovornosti

Percy, John R. ; Marinova, Margarita ; Božić, Hrvoje ; Harmanec, Petr

engleski

The photometric variability of the Be star MW Serpenitis

NW Ser is a bright (V=6.1-6.2), active Be star which is known to vary photometrically on a time scale of hours to days. Using both Hipparcos and ground-based photometry, and using light curve, autocorrelation, power spectrum analysis and phase dispersion minimalization techniques, we have concluded that the period is close to 0.46 days - a period typical of stars of this type, and in good agreement with the value of 0.488 days, recently determined by Hubert&Floquet from Hipparcos data. It is possible that the period is near twice tis value, but the evidence is not strong. We also find a period of about 5.5 days from both the ground-based and Hipparcos data.

Stars: early-type - Stars: emission-line - Stars: variables:other

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Podaci o izdanju

348 (2)

1999.

553-556-x

objavljeno

0004-6361

Povezanost rada

Fizika

Indeksiranost