Another look at the BL Lacertae flux and spectral variability - Observations by GASP-WEBT, XMM-Newton, and Swift in 2008–2009

C. M. Raiteri; M. Villata; L. Bruschini; A. Capetti; O. M. Kurtanidze; V. M. Larionov; P. Romano; S. Vercellone; I. Agudo; H. D. Aller; M. F. Aller; A. A. Arkharov; U. Bach; A. Berdyugin; D. A. Blinov; M. Böttcher; C. S. Buemi; P. Calcidese; D. Carosati; R. Casas; W.-P. Chen; J. Coloma; C. Diltz; A. Di Paola; M. Dolci; N. V. Efimova; E. Forné; J. L. Gómez; M. A. Gurwell; A. Hakola; T. Hovatta; H. Y. Hsiao; B. Jordan; S. G. Jorstad; E. Koptelova; S. O. Kurtanidze; A. Lähteenmäki; E. G. Larionova; P. Leto; E. Lindfors; R. Ligustri; A. P. Marscher; D. A. Morozova; M. G. Nikolashvili; K. Nilsson; J. A. Ros; P. Roustazadeh; A. C. Sadun; A. Sillanpää; J. Sainio; L. O. Takalo; M. Tornikoski; C. Trigilio; I. S. Troitsky; G. Umana

doi:10.1051/0004-6361/201015191

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Volume 524 (December 2010)

A&A, 524 (2010) A43

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Fig. 1

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R-band light curve by the GASP collaboration from February 2008 to February 2009. Data are not corrected for the host galaxy contamination or Galactic extinction. The participating observatories are marked with different symbols and colours. The total number of data points is indicated in the upper right.

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