Polarization angle swings in blazars: The case of 3C 279

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201527725e]

Table 1

Observatories contributing optical polarization data to the Quasar Movie Project with telescope diameters, filters, number of polarization data points, and the type of data with references to the data reduction in the table footnotes.

Obs.	Tel. diam.	Filter	N _pol	Data/Ref.

AAVSO	various	R			phot⁴
Abastumani,	0.7 m	R			phot⁵
Georgia
Calar Alto,	2.2 m	R	15	pol⁶	phot⁶
Spain¹
CrAO, Russia	0.7 m	R	84	pol⁷	phot⁸
KANATA, Japan	1.5 m	V	72	pol⁹
T. Krajci, USA	0.36 m	R			phot⁸
KVA, La Palma	0.6 m	WL ²	14	pol¹⁰
	0.35 m	R			phot¹⁰
Liverpool,	2 m	V + R	41	pol¹⁰
La Palma	2 m	R			phot¹⁰
NMS T11, USA	0.5 m	R			phot⁸
Perkins, USA	1.83 m	R	68	pol⁷	phot⁷
SAO RAS,	1.0 m	R			phot⁸
Russia
SMARTS, Chile	1.3 m	R			phot¹¹
St. Petersburg,	0.4 m	R			phot⁷
Russia	0.4 m	WL ²	49	pol⁷
SPM, Mexico	0.84 m	R	46	pol¹²	phot¹²
Steward Obs.,	1.54, 2.3 m	Spec.³	210	pol¹³
USA	1.54, 2.3 m	R			phot¹³

Notes.

⁽¹⁾

Calar Alto data was acquired as part of the MAPCAT project: http://www.iaa.es/~iagudo/research/MAPCAT.

⁽²⁾

White light.

⁽³⁾

5000–7000 Å, including nine data points observed in V-band.

⁽⁴⁾

http://www.aavso.org/.

⁽⁵⁾

Kurtanidze & Nikolashvili (1999), Kurtanidze & Nikolashvili (2002).

⁽⁶⁾

Agudo et al. (2012).

⁽⁷⁾

Jorstad et al. (2010).

⁽⁸⁾

See text.

⁽⁹⁾

Kawabata et al. (2008).

⁽¹⁰⁾

Aleksić et al. (2014a).

⁽¹¹⁾

Bonning et al. (2012).

⁽¹²⁾

Sorcia et al. (2013).

⁽¹³⁾

Smith et al. (2009).

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