Preliminary analysis of photometric variations of central star of planetary nebula Sh 2-71

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Authors	MIKULÁŠEK Zdeněk KOHOUTEK Luboš ZEJDA Miloslav PEJCHA Ondřej
Year of publication	2005
Type	Article in Periodical
Magazine / Source	Astrophysics and Space Science
MU Faculty or unit	Faculty of Science
Citation
Field	Astronomy and astrophysics
Keywords	UBVRI photometry; planetary nebula; Sh 2-71; period; PCA
Description	We confirm the presence of regular UBVRI light variations of the object in the center of the planetary nebula Sh 2-71, with an improved period of P=68.132+/-0.005 days. The shapes and amplitudes of light curves, in particular colours, are briefly discussed.
Related projects:	Physics of hot stars and stellar systems with hot components