Photopolarimetric activity of SV Cep (Rostopchina+, 2000)

Details Photopolarimetric activity of SV Cep (Rostopchina+, 2000) Photopolarimetric activity of SV Cep (Rostopchina+, 2000)

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..80770420r&link_type=abstract

VizieR On-line Data Catalog: J/AZh/77/420. Originally published in: 2000ARep...44..365R; 2000AZh....77..420R

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Stars: Pre-Main Sequence, Stars: Variable, Photometry: Ubvri, Polarization

Scientific paper

The results of the eleven-years (1987-98) photopolarimetric patrol observations of Herbig Ae star SV Cep are presented. Only one deep brightness minimum of star were observed during this time interval. The decrease of the SV Cep brightness during this minimum was accompanied by increase of its linear polarization. The similar behaviour of linear polarization with the brightness changes was found earlier in other young stars with the non-periodic Algol-type minima. The most probable interpretation of this phenomenon is based on the model in which the source of intrinsic linear polarization is the scattered radiation of circumstellar disk-like dust envelope (probably the proto-planetary disk). The deposition of this source increases during the brightness minima when the direct (non-polarized) stellar radiation are absorbed in the CS dust clouds intersected the line-of-sight. (1 data file).

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