Interstellar extinction in the direction of the Merope dark cloud in Pleiades

Details Interstellar extinction in the direction of the Merope dark cloud in Pleiades Interstellar extinction in the direction of the Merope dark cloud in Pleiades

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.133..355c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 133, no. 2, 1987, p. 355-368.

Astronomy and Astrophysics

Astrophysics

16

Astronomical Spectroscopy, Dark Matter, Electrophotometry, Interstellar Extinction, Molecular Clouds, Pleiades Cluster, Binary Stars, Data Reduction, Distance, Tables (Data)

Scientific paper

The dependence of interstellar extinction on distance in the direction of the dark cloud south of Merope is determined using photoelectric photometry of 93 stars in the Vilnius photometric system. The cloud front edge is detected at 120 - 130 pc from the Sun and the distance of the Pleiades cluster is found to be 127 pc. Mean extinction AV in the Merope cloud is of the order of 1.0 mag. There is no evidence of extinction at distances exceeding the Merope cloud distance. Variable extinction method yields R = AV/EB-V = 3.6, while the maximum polarization wavelength method gives the value 3.4. Some Pleiades stars are suspected to be unresolved binaries.

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