Polarimetric observations of southern hemisphere young solar-type stars

Details Polarimetric observations of southern hemisphere young solar-type stars Polarimetric observations of southern hemisphere young solar-type stars

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.}

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