Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..179c&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, Feb. 1990, p. 179-182.
Astronomy and Astrophysics
Astronomy
11
Polarized Radiation, Stellar Magnitude, Stellar Radiation, Charge Coupled Devices, Polarization Characteristics, Signal To Noise Ratios
Scientific paper
The Minipol optical polarimeter with a V-band filter was used to observe 16 summer intermediate-magnitude (mB = about 9) stars from the survey of Mathewson and Ford (1970). These stars were chosen to span polarization percentages from zero to almost 6 percent and to cover a large range of polarization position angles. The primary reason for reobserving these stars was to determine their V-band polarization properties and to identify polarization variables, which are unsuitable standards. The Minipol observations showed that 12 of the stars had V-band polarizations that were very similar to the Mathewson and Ford B-band values. One star had a significantly different polarization position angle and two had significantly different percentage polarizations. One star, HD 161306, was wildly different in both percentage polarization and position angle.
Clemens Dan P.
Tapia Saul
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