V . Additional photometry and radial velocity data for southern

نویسنده

  • D. Bersier
چکیده

I present photometric and radial velocity data for Galactic Cepheids, most of them being in the southern hemisphere. There are 1250 Geneva 7-color photo-metric measurements for 62 Cepheids, the average uncertainty per measurement is better than 0.01 m. A total of 832 velocity measurements have been obtained with the CORAVEL radial velocity spectrograph for 46 Cepheids. The average accuracy of the radial velocity data is 0.38 km s −1. There are 33 stars with both photometry and radial velocity data. I discuss the possible binarity or period change that these new data reveal. I also present reddenings for all Cepheids with photometry. The data are available electronically.

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تاریخ انتشار 2002