Mean JHK Magnitudes of Fundamental-Mode Cepheids from Single-Epoch Observations

Astronomy and Astrophysics – Astrophysics

Scientific paper

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20 pages, 5 figures, 4 tables

Scientific paper

10.1086/431434

We present an empirical method for converting single-point near-infrared J, H, and K measurements of fundamental-mode Cepheids to mean magnitudes, using complete light curves in V or I bands. The algorithm is based on the template light curves in the near-infrared bandpasses. The mean uncertainty of the method is estimated to about 0.03 mag, which is smaller than the uncertainties obtained in other approaches to the problem in the literature.

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