Reddening and polarization of young stars - Intracluster or circumstellar

Details Reddening and polarization of young stars - Intracluster or circumstellar Reddening and polarization of young stars - Intracluster or circumstellar

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...223..180b&link_type=abstract

Astrophysical Journal, Part 1, vol. 223, July 1, 1978, p. 180-184.

Astronomy and Astrophysics

Astrophysics

9

Early Stars, Interstellar Matter, Linear Polarization, Polarized Light, Star Clusters, Stellar Envelopes, Astronomical Photometry, Cosmic Dust, Ubv Spectra

Scientific paper

Intracluster dust and circumstellar shells have both been used in the recent literature to explain most of the observed polarization of the highly reddened early-type stars in Orion. Because of the apparent contradiction, the physical arguments used are examined. We find that the main arguments against the intracluster hypothesis (and in favor of the circumstellar hypothesis) are afflicted by numerical error, are inappropriate, or are inconclusive. While both effects cause polarization and reddening of the early-type stars, intracluster dust effects are considerably more important. For the late-type stars in Orion the relative importance of these two mechanisms still needs to be determined.

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