BV Photometry and Radial Velocity Curves for the Pop. II Cepheid Variable V42 in M5

Details BV Photometry and Radial Velocity Curves for the Pop. II Cepheid Variable V42 in M5 BV Photometry and Radial Velocity Curves for the Pop. II Cepheid Variable V42 in M5

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...18710206b&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #102.06; Bulletin of the American Astronomical Society, Vol. 27, p.1429

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new BV photometry and radial velocities from high- resolution spectroscopy for the Pop. II Cepheid variable V42 in the globular cluster M5. A new ephemeris is computed and V, B, and B-V light curves are given. An improved period of 25.725 days has been determined. A CMD of M5 is presented with V42 included. We intend to utilize these data as part of a project to derive the distance and absolute magnitudes of V42 using the Baade-Wesselink method, and to compare this result with the result of an earlier B-W analysis of two RR Lyraes in M5. This will help tie the RR Lyrae and cepheid Baade-Wesselink methods together.

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