Discrepant Photometric Amplitudes in the Pulsation of EN Lacertae

Details Discrepant Photometric Amplitudes in the Pulsation of EN Lacertae Discrepant Photometric Amplitudes in the Pulsation of EN Lacertae

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997rmxaa..33..137g&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, 33, p. 137- 141 (1997)

Astronomy and Astrophysics

Astronomy

2

Scientific paper

We show here that recent ephemeris, accounting for the light curve of EN Lac in the 1980's cannot represent all the observations made at that time. Likely explanations can be: either rapid variations in the amplitude of the third (0.182d) period, or large imprecisions in the published amplitudes of the two first periods (0.169 and 0.171d). Thus, if we accept the periods previously determined, a serious doubt is raised against the amplitudes published previously.

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