The long and short timescale polarization variability of the BL Lacertae object PKS 0109+224

Details The long and short timescale polarization variability of the BL Lacertae object PKS 0109+224 The long and short timescale polarization variability of the BL Lacertae object PKS 0109+224

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...278..371v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 278, no. 2, p. 371-378

Astronomy and Astrophysics

Astrophysics

9

Astronomical Photometry, Astronomical Polarimetry, Bl Lacertae Objects, Linear Polarization, Data Processing, Polarimeters, Statistical Analysis, Telescopes, Time Measurement

Scientific paper

This paper presents fifteen new simultaneous UB-VRI photopolarimetric observations of the BL Lac object PKS 0109+224. The data include night to night observations and four long intranight integrations. All the possible correlations between the flux, polarization and position angle in the five colors are presented for different timescales. The analysis of the long time behavior of the source includes all the existing data of the object. The results are discussed in the context of shock models. According to the data it seems that the short and long timescale variations are due to different processes.

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