\begin{table}%ta1
\caption{\label{tab:log}\emph{XMM-Newton} Observation Log. Columns: (1) Source name; (2) Observation Identifier;
(3) Date of the observation [DD-MM-YYYY]; (4,5,6) Observing mode of MOS1, MOS2, and PN, respectively
[FF: Full Frame; SW: Small Window; TIMING: timing mode, without imaging] with the effective exposure time [ks]; (7) Angular distance from the boresight [arcsec].}
\small%\centerline
{
\begin{tabular}{llllllr}
\hline\hline
Name          & ObsID        & Date         & MOS1   & MOS2   & PN       & Position\\
(1)          & (2)          & (3)          & (4)    & (5)    & (6)      & (7)\\
\hline
$0219+428$ & $0002970201$ & $05-02-2002$ & FF(10)   & FF(10)   & FF(11.0) & $366$ \\
AO~$0235+164$ & $0110990101$ & $10-02-2002$ & FF(19)   & FF(19)   & FF(15.0) & $77$  \\
PKS~$0521-365$ & $0065760201$ & $09-10-2002$ & SW(31.3) & FF(31.3) & FF(27.1) & $65$ \\
S5~$0716+714$ & $0150495601$ & $04-04-2004$ & SW(31)   & FF(31)   & TIMING   & $69$\\
S5~$0836+710$ & $0112620101$ & $12-04-2001$ & SW(23.8) & SW(23.8) & FF(24.6) & $14$  \\
Mkn~$421^{{a}}$ & $0099280201$ & $01-11-2000$ & SW       & SW       & SW(24.2)  & $6.5$  \\
{}           & $0099280301$ & $13-11-2000$ & SW       & SW       & SW(25.6)  &  $7.1$ \\
{}           & $0099280401$ & $14-11-2000$ & SW       & SW       & SW(23.4)  &  $119.7$ \\
{}           & $0136540101$ & $08-05-2001$ & SW       & SW       & SW(25.7)  &  $4.7$ \\
{}           & $0158970101$ & $01-06-2003$ & TIMING   & SW       & SW(25.3)  &  $6.1$ \\
{}           & $0162960101$ & $10-12-2003$ & SW       & SW       & SW(17.4)  &  $6.4$ \\
PKS~$1127-145$ & $0112850201$ & $01-07-2002$ & FF(13.9) & FF(13.7) & FF(10.7) & $68$  \\
ON~$231$     & $0104860501$ & $26-06-2002$ & FF(33.1) & FF(32.6) & FF(26.7) & $472$ \\
3C~$273^{{a}}$ & $0126700301$ & $13-06-2000$ & SW       & SW       & SW(39.7) & $10$  \\
{}           & $0126700601$ & $15-06-2000$ & SW       & SW       & SW(20.8) & $9$ \\
{}           & $0126700701$ & $15-06-2000$ & SW       & SW       & SW(21.0) & $8$ \\
{}           & $0126700801$ & $17-06-2000$ & SW       & SW       & SW(42.5) & $9$ \\
{}           & $0136550101$ & $13-06-2001$ & SW       & SW       & SW(62.0) & $5$ \\
{}           & $0112770101$ & $16-12-2001$ & TIMING   & SW       & SW(3.5)  & $54.8$\\
{}           & $0112770201$ & $22-12-2001$ & TIMING   & SW       & SW(3.5)  & $54.5$\\
{}           & $0112770601$ & $07-07-2002$ & TIMING   & SW       & SW(3.5)  & $78.7$ \\
{}           & $0112770801$ & $17-12-2002$ & TIMING   & SW       & SW(3.5)  & $55.0$ \\
{}           & $0136550501$ & $05-01-2003$ & SW       & SW       & SW(6.0)  & $5$ \\
{}           & $0112770701$ & $05-01-2003$ & TIMING   & SW       & SW(3.5)  & $58.8$ \\
{}           & $0112771001$ & $18-06-2003$ & TIMING   & SW       & SW(3.9)  & $79.1$ \\
{}           & $0112770501$ & $08-07-2003$ & TIMING   & SW       & SW(5.6)  & $78.0$\\
{}           & $0112771101$ & $14-12-2003$ & TIMING   & SW       & SW(5.9)  & $57.2$ \\
{}           & $0136550801$ & $30-06-2004$ & SW       & SW       & SW(13.9) & $3$ \\
Cen~A        & $0093650201$ & $02-02-2001$ & FF(22.8) & FF(22.8) & FF(16.8) & $9$\\
{}           & $0093650301$ & $06-02-2002$ & FF(13.2) & FF$^{{b}}$ & FF(7.9)  & $16$\\
PKS~$1334-127$ & $0147670201$ & $31-01-2003$ & FF(13.5) & FF(13.5) & FF(10.9) & $68$ \\
PKS~$1406-076$ & $0151590101$ & $05-07-2003$ & FF(7.8)  & FF(10.0) & FF(7.3)  & $68$ \\
{}           & $0151590201$ & $10-08-2003$ & FF(5.6)  & FF(5.8)  & FF(3.6)  & $69$ \\
NGC~$6251$   & $0056340201$ & $26-03-2002$ & FF(18.0)  & FF(18.0)  & FF(8.0)  & $69$ \\
PKS~$1830-211$ & $0204580201$ & $10-03-2004$ & FF(7.0)  & FF(7.6)  & FF(2.8)  & $67$\\
{}           & $0204580301$ & $24-03-2004$ & FF(31.0) & FF(31.0) & FF(27.0)  & $68$\\
{}           & $0204580401$ & $05-04-2004$ & FF(18.5)  & FF(18.5)  & FF(13.0)  & $68$\\
PKS~$2155-304^{{a}}$ & $0124930201$ & $31-05-2000$ & TIMING   & SW       & SW(41.6) & $9$  \\
{}           & $0080940101$ & $19-11-2000$ & TIMING   & SW       & SW(40.2) & $10$ \\
{}           & $0080940301$ & $20-11-2000$ & TIMING   & SW       & SW(40.8) & $16$ \\
{}           & $0124930301$ & $30-11-2001$ & SW       & SW       & SW(31.2) & $15$ \\
{}           & $0124930501$ & $24-05-2002$ & SW       & SW       & SW(22.3) & $6$  \\
{}           & $0124930601$ & $29-11-2002$ & SW       & SW       & SW(39.8) & $2$  \\
{}           & $0158960101$ & $23-11-2003$ & SW       & SW       & SW(18.7) & $5$  \\
{}           & $0158960901$ & $22-11-2004$ & SW       & SW       & SW(20.0) & $6$  \\
{}           & $0158961001$ & $23-11-2004$ & SW       & SW       & SW(28.0) & $6$  \\
\hline
\end{tabular}}
\smallskip
$^{{a}}$ Only PN data have been analyzed, because the high flux of the source caused strong pile-up.\\
$^{{b}}$ MOS2 not used, because of a series of bad pixels in the source PSF.
\end{table}