A discussion on the reddening of long period Cepheids in the Magellanic Clouds

Details A discussion on the reddening of long period Cepheids in the Magellanic Clouds A discussion on the reddening of long period Cepheids in the Magellanic Clouds

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...119..192v&link_type=abstract

Astronomy and Astrophysics, vol. 119, no. 2, Mar. 1983, p. 192-196.

Astronomy and Astrophysics

Astrophysics

12

Cepheid Variables, Interstellar Extinction, Magellanic Clouds, Abundance, Astrometry, Astronomical Maps, Stellar Spectrophotometry, Supergiant Stars, Ubv Spectra

Scientific paper

VBLUW photometry of 9 long-period Cepheids in the SMC (13d < P < 127d) and 20 in the LMC (16d < P < 134d) is used to determine the individual reddenings. For this purpose Cepheid loci are constructed in the V-B/B-L diagram with a metal abundance (A) of 1/5 and 1/2 of the solar abundance (A_sun;) for the SMC and LMC Cepheids, respectively. Individual and average reddenings are compared with those of other studies on Cepheids and other types of supergiants. As a by-product the lower limit of the metal abundance for the SMC Cepheids is estimated to be about A = 1/6 A_sun;.

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