Kepler observations of NGC 6826

Details Kepler observations of NGC 6826 Kepler observations of NGC 6826

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21840707s&link_type=abstract

American Astronomical Society, AAS Meeting #218, #407.07; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

Long cadence data from the Kepler Space telescope are presented for KIC 12071221. The object consists of a ZZ Leporis star surrounded by the planetary nebula, NGC 6826.
Power spectra reveal several prominent lines, many of which do not persist over different quarters. Second quarter observations revealed lines at 9.375 mHz and 18.75 mHz, possibly a fundamental and first harmonic, which correspond to timescales of 15 and 30 hours. These lines are not apparent in the third quarter, but the 18.75 mHz line re-appeared in later quarters.
The results indicate that turbulence on sampling timescales is present. This will be tested on short cadence data that are expected shortly.

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