Fundamental parameters of Cepheids. V. Additional photometry and radial velocity for southern Cepheids

Details Fundamental parameters of Cepheids. V. Additional photometry and radial velocity for southern Cepheids Fundamental parameters of Cepheids. V. Additional photometry and radial velocity for southern Cepheids

2002-01-15

arxiv.org/abs/astro-ph/0201259v1

Astrophys.J.Suppl. 140 (2002) 465-468

Astronomy and Astrophysics

Astrophysics

To appear in ApJS. Data available electronically at ftp://cfa-ftp.harvard.edu/pub/dbersier/

Scientific paper

10.1086/342487

I present photometric and radial velocity data for Galactic Cepheids, most of them being in the southern hemisphere. There are 1250 Geneva 7-color photometric measurements for 62 Cepheids, the average uncertainty per measurement is better than 0.01 mag. 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. 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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