The wavelength dependence of the interstellar polarization of Omicron Sco, Sigma SCO and Eta AQL

Details The wavelength dependence of the interstellar polarization of Omicron Sco, Sigma SCO and Eta AQL The wavelength dependence of the interstellar polarization of Omicron Sco, Sigma SCO and Eta AQL

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...156..213c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 156, no. 1-2, Feb. 1986, p. 213-216.

Astronomy and Astrophysics

Astrophysics

1

Cosmic Dust, Interstellar Matter, Polarimetry, Polarization (Waves), Charge Coupled Devices, Computerized Simulation, Simultaneous Equations, Wavelengths

Scientific paper

Accurate spectropolarimetry has been performed on the three stars ο Sco, σ Sco and η Aql with a view to determining the peakiness, K, of the p(λ) curve. A high value of K appears to be associated with ο Sco relative to the values for σ Sco and η Aql. A newly discovered dispersion of position angle, θ(λ) is reported for η Aql and this star can now be considered only as a secondary standard for polarimetric calibration purposes. The determined values of K have been considered in terms of the two-cloud model but no firm conclusions can be drawn.

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