The Classification of Cepheids by Pulsation Modes and the Problem of the Distance scale

Details The Classification of Cepheids by Pulsation Modes and the Problem of the Distance scale The Classification of Cepheids by Pulsation Modes and the Problem of the Distance scale

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.576..723z&link_type=abstract

"Proceedings of the Gaia Symposium "The Three-Dimensional Universe with Gaia" (ESA SP-576). Held at the Observatoire de Paris-Me

Physics

3

Cepheids, Classification, Neural Networks

Scientific paper

The neural network algorithm and analysis of the `period-radius' diagram are used to classify the classical cepheids of our Galaxy by pulsation modes. The LMC cepheids with I - band photometry from OGLE have been used as a training sample. Infrared and V-band photometric data for Galactic cepheids have been taken from Berdnikov's data base. We calculated the radii of cepheids using our original and published radial velocities, V- and I-band photometry.

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