WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007–2008 - Unveiling different emission components

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Table 4:

Optical-UV magnitudes of BL Lacertae derived from the data analysis of the OM frames.
Date	V	B	U	UVW1	UVM2	UVW2
Exposure times (s)
July 10-11, 2007	1498	1499	1499	2601	3098	6257^a
December 5, 2007	2100	2099	2099	3500	3780	4000
January 8, 2008	1700	1700	1698	2799	3300	7359^b
Magnitudes
July 10-11, 2007	$15.33 \pm 0.10$	$16.27 \pm 0.10$	$15.87 \pm 0.10$	$15.99 \pm 0.10$	$16.90 \pm 0.10$	$17.13 \pm 0.14$
December 5, 2007	$14.96 \pm 0.10$	$15.91 \pm 0.10$	$15.52 \pm 0.10$	$15.62 \pm 0.10$	$16.45 \pm 0.10$	$16.98 \pm 0.11$
January 8, 2008	$14.97 \pm 0.10$	$15.90 \pm 0.10$	$15.53 \pm 0.10$	$15.65 \pm 0.10$	$16.47 \pm 0.10$	$16.88 \pm 0.14$

^a Two exposures of 3579 and 2678 s.
^b Two exposures of 3779 and 3580 s.

Source LaTeX | All tables | In the text

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