Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...336..604c&link_type=abstract
Astronomy and Astrophysics, v.336, p.604-612 (1998)
Astronomy and Astrophysics
Astrophysics
10
Polarization, Stars: 59 Vir, Hd 155555, Hd 1835, Sao 251015, Tu Pyx
Scientific paper
{A report is given on some linear and circular polarimetric observations of young solar-type stars. Despite a somewhat high level of instrumental polarization, the measurements were able to detect polarizations ~ 0.0001 or\ 0.01%. Temporal variability has been discovered for 59 Vir with an indication that circular polarization is also present. A polarization at a level of p ~ 1% was found associated with the star SAO 251015. Marginal polarizations are also suspected for the stars HD 155555 and HD 1835. For SAO 154972 (TU Pyx), a sudden change in polarization ~ 2% occurred over some tens of minutes and an associated circular polarization was also detected.}
Clarke David
Smith Robert A.
Yudin Ruslan V.
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