Detection of Pulsations in the Newly Discovered PG1159 Star HE 1429-1209

Details Detection of Pulsations in the Newly Discovered PG1159 Star HE 1429-1209 Detection of Pulsations in the Newly Discovered PG1159 Star HE 1429-1209

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..334..647n&link_type=abstract

14th European Workshop on White Dwarfs, ASP Conference Series, Vol. 334 Proceedings of a meeting held at Kiel, July 19-23, 2004

Astronomy and Astrophysics

Astronomy

Scientific paper

We present time-series photometry of HE 1429-1209, a PG 1159 star, which was recently identified in the ESO SPY survey. It is located within the planetary nebula nuclei instability strip, so it was expected to show pulsations. We analysed lightcurves, taken with the Tübingen 0.8 m telescope during three nights in May 2004, and discovered a significant pulsation period of about 919 seconds.

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