\begin{table}%t2
\caption{\label{novae}\xmm, \chandra, and ROSAT measurements of \mtrentun\ and \metrentrois\ optical novae. 
           }
           %\centering

\begin{tabular}{lrrlrrrrrl}
\hline
\hline\noalign{\smallskip}
\multicolumn{3}{l}{{Optical nova}} & \multicolumn{4}{l}{{X-ray measurements}} \\
 \noalign{\smallskip}\hline \noalign{\smallskip}
\multicolumn{1}{l}{Name} & \multicolumn{1}{c}{RA~~~(h:m:s)}  
& \multicolumn{1}{c}{JD$^a$} & \multicolumn{1}{l}{Source name$^b$}
& \multicolumn{1}{c}{$D$} 
& \multicolumn{1}{c}{Observation$^c$} & \multicolumn{1}{c}{JD}
& \multicolumn{1}{c}{Day} & \multicolumn{1}{c}{$L^d$}
& \multicolumn{1}{l}{Comment} \\
& \multicolumn{1}{c}{DEC~(d:m:s)} 
& \multicolumn{1}{l}{2~440~000+} & &(\arcsec)& & \multicolumn{1}{l}{2~440~000+} 
& \multicolumn{1}{c}{} & \multicolumn{1}{c}{(10$^{36}$ erg s$^{-1}$)} & \\ 
\noalign{\smallskip}\hline\noalign{\smallskip}
[SI2001] &0:41:53.8 & 8977.5&             &   &c1 (EPIC)&11720.5&2743&$<$$1.1$&\\
1992-01  &41:07:22  &       &             &   &c2 (EPIC)&11906.5&2929&$<$$1.5$&\\
         &          &       &             &   &c3 (EPIC)&12089.5&3112&$<$$2.2$&\\
         &          &       &             &   &1912 (HRC~I)&12213.5&3236&$<$$6.7$&\\
         &          &       &[PFH2005]~191&6.4&c4 (EPIC)&12280.5&3303&$37.0\pm1.7$&SSS\\
         &          &       &[PFH2005]~191&6.4&s1 (EPIC)&12286.5&3309&$13.1\pm0.7$&SSS\\
\noalign{\medskip}
WeCAPP-  &0:42:33.89&12284.3$^<$&         &    &  c4 (EPIC)&12280.5&$-$4&$<$$0.5$&\\
N2002-01 &41:18:23.9&       &             &   &2905 (HRC~I)&12290.7&6&$<$$9.1$&\\
         &          &       &             &$\sim$0.2&2906 (HRC~I)&12427.9&144&$27.5^{+12.0}_{-9.5}$& \\
\noalign{\medskip}
WeCAPP-  &0:42:34.61&12150.9&             &   &c3 (EPIC)&12089.5&$-$61&$<$$0.5$&close to\\
N2001-12 &41:18:13.0&       &             &   &1575 (ACIS~S)&12187.5& 37&$<$$1.9$&[PFH2005]~287\\
         &          &       &             &$\sim$1&1912 (HRC~I)&12213.5& 63&$0.6\pm0.3$&\\
         &          &       &             &2.5&c4 (EPIC)&12280.5&130&$0.7\pm0.1$&SSS\\
\noalign{\medskip}
[CFN87]~2&0:42:35.0 & 5225.0&[PFJ93]~33   &2.3&150006h (HRI) &8099.5& 2874&$8.7\pm2.4$&\\
         &41:13:22  &       &             &   &600474h (HRI) &9541.5& 4317&$<$$19.8$&\\ 
         &          &       &             &   &600475h (HRI) &9555.5& 4331&$<$$13.6$&\\
         &          &       &             &   &400780h (HRI) &10086.5& 4862&$<$$8.6$&\\
\noalign{\medskip}
[SI2001] &0:42:35.5 & 8161.5&             &   &150006h (HRI) &8099.5&  $-$62&$<$$8.9$&\\
1990-08  &41:13:48  &       &[SHP97]~181  &3.0&600068p (PSPC)&8465.5&  304&$63.5\pm3.7$&\\
         &          &       &             &   &600474h (HRI) &9541.5& 1380&$<$$11.7$&\\
         &          &       &             &   &600475h (HRI) &9555.5& 1394&$<$$8.1$&\\
\noalign{\medskip}
[SI2001] &0:42:40.14&10617.5&             &$\sim$0.6& 268 (HRC~I)&11535.6&918&$10.6\pm3.2$& \\
1997-06  &41:15:46.7&       &             &   &1575 (ACIS~S)&12187.5&1570&$<$$3.7$& \\
\noalign{\medskip}
AGPV~1576&0:42:42.08& 9622.5&             &   &c1 (EPIC)&11720.5&2098&$<$$0.6$&\\
         &41:12:18.0 &      &             &   &c2 (EPIC)&11906.5&2284&$<$$0.6$&\\
         &          &       &             &   &c3 (EPIC)&12089.5&2467&$<$$0.6$&\\
         &          &       &J004242.1+411218&0.7&1912 (HRC~I)&12213.5&2591&$1.2\pm0.4$&K2002\\
         &          &       &[PFH2005]~313&3.1&c4 (EPIC)&12280.5&2658&$1.6\pm0.2$&SSS\\ 
\noalign{\medskip}
RJC99    &0:42:43.10& 9963.5&             &   & 268 (HRC~I)&11535.6&1572&$<$$7.0$\\
Sep-95   &41:16:04.1&       &             &   & 309 (ACIS~S)&11697.2&1734&$10.2\pm2.7$&\\
         &          &       &             &   & 310 (ACIS~S)&11728.5&1765&$16.1\pm3.6$&\\
         &          &       &             &   &1854 (ACIS~S)&11923.0&1960&$11.5\pm3.1$&\\
         &          &       &r1-35        &1.1&1575 (ACIS~S)&12187.5&2224&$13.4\pm1.2$&SSS-HR, DKG2004\\
         &          &       &J004243.1+411604&0.2&1912 (HRC~I)&12213.5&2250&$8.8\pm0.8$&K2002\\
         &          &       &             &   &2905 (HRC~I)&12290.7&2327&$22.5^{+12.0}_{-8.5}$&\\
         \noalign{\medskip}
WeCAPP-  &0:42:43.97&11753.0$^*$&         &   &c1 (EPIC)&11720.5&$-$32&$<$$0.7$&\\
N2000-03 &41:17:55.5&       &             &   &c2 (EPIC)&11906.5&154&$<$$1.4$&\\
         &          &       &             &  &1854 (ACIS~S)&11923.0&170&$7.1\pm2.4$&\\
         &          &       &[PFH2005]~320&1.3&c3 (EPIC)&12089.5&337&$9.5\pm0.7$&SSS\\
         &          &       &r2-60        &0.8&1575 (ACIS~S)&12187.5&435&$13.4\pm1.2$&SSS-HR, DKG2004\\
         &          &       &J004243.9+411755&0.3&1912 (HRC~I)&12213.5&461&$8.4\pm0.8$&K2002\\
         &          &       &[PFH2005]~320&1.3&c4 (EPIC)&12280.5&528&$5.5\pm0.4$&SSS\\
\noalign{\medskip}
WeCAPP-  &0:42:47.45&11719.7$^<$&            &   & 310 (ACIS~S)&11728.5&  9&$<$$2.2$&\\
N2000-05 &41:15:07.6&       &                &   &1854 (ACIS~S)&11923.0&203&$<$$4.2$&\\
         &          &       &                &   &1570 (HRC~I)&12071.4&352&$16.8^{+9.7}_{-7.1}$&\\
         &          &       &      r2-61     &1.7& 1575 (ACIS~S)&12187.5&468&$9.6\pm1.0$&SSS-HR, DKG2004\\
         &          &       &J004247.4+411507&0.2&1912 (HRC~I)&12213.5&494&$5.2\pm0.6$&K2002\\
\noalign{\medskip}
[SI2001] &0:42:50.5 &10691.5&             &   &c1 (EPIC)&11720.5&1029&$<$$1.7$&\\
1997-09  &41:07:48  &       &             &   &c2 (EPIC)&11906.5&1215&$<$$1.6$&\\
         &          &       &             &   &c3 (EPIC)&12089.5&1398&$<$$1.2$&\\
         &          &       &             &   &1912 (HRC~I)&12213.5&1522&$<$$3.7$&\\
         &          &       &[PFH2005]~347&2.3&c4 (EPIC)&12280.5&1589&$0.7\pm0.2$&SSS\\ 
\noalign{\medskip}           
GCVS-M31-&0:42:55.2 &10307.5&             &   &c1 (EPIC)&11720.5&1413&$<$$0.5$&recurrent nova \\
V0962    & 41:20:46 &       &             &   &c2 (EPIC)&11906.5&1599&$<$$1.1$&\\
         &          &       &             &   &c3 (EPIC)&12089.5&1782&$<$$1.0$&\\
         &          &       &             &   &1575 (ACIS~S)&12187.5&1880&$2.2\pm0.8$&\\
         &          &    &J004255.3+412045&1.2&1912 (HRC~I)&12213.5&1906&$2.9\pm0.8$&K2002\\
         &          &       &[PFH2005]~359&1.1&c4 (EPIC)&12280.5&1973&$3.4\pm0.2$&SSS\\
\noalign{\medskip}
[SI2001] &0:42:59.3 &10049.5&             &   &400780h (HRI)&10086.5&  37&$<$$5.8$&\\
1995-05  &41:16:42  &       &             &   & 268 (HRC~I)&11535.6&1486&$7.7\pm2.9$&\\
         &          &       &             &   & 309 (ACIS~S)&11697.2&1648&$8.9\pm2.6$&\\
         &          &       &[PFH2005]~369&2.1&c1 (EPIC)&11720.5&1671&$2.3\pm0.5$&SSS\\
         &          &       &             &   & 310 (ACIS~S)&11728.5&1679&$13.8\pm3.3$&\\
         &          &       &[PFH2005]~369&2.1&c2 (EPIC)&11906.5&1857&$3.0\pm0.8$&SSS\\
         &          &       &             &   &1854 (ACIS~S)&11923.0&1874&$7.1\pm2.4$&\\
         &          &       &[PFH2005]~369&2.1&c3 (EPIC)&12089.5&2040&$4.7\pm0.5$&SSS\\
         &          &       &r2-63        &0.8&1575 (ACIS~S)&12187.5&2138&$11.4\pm1.0$&SSS-HR, DKG2004\\
         &          &    &J004259.3+411643&1.3&1912 (HRC~I)&12213.5&2164&$10.5\pm0.9$&K2002\\
         &          &       &[PFH2005]~369&2.1&c4 (EPIC)&12280.5&2231&$7.6\pm0.4$&SSS\\
         &          &       &             &   &2906 (HRC~I)&12427.9&2378&$16.8^{+9.7}_{-7.1}$&\\         
\noalign{\medskip}
[SI2001] &0:43:00.7 & 8977.5&             &   &150006h (HRI) &8099.5&$-$878&$<$$9.4$&\\
1992-04  &41:14:39  &       &             &4.1&600474h (HRI)& 9541.5& 564&$13.1\pm4.0$&\\
         &          &       &             &2.9&600475h (HRI)& 9555.5& 578&$11.8\pm3.3$&\\
         &          &       &             &   &600674h$^*$ (HRI)& 9926.5& 949&$<$$40.0$&\\
         &          &       &             &   &400780h (HRI)&10086.5&1109&$<$$6.3$&\\
\noalign{\medskip}
RJC99    &0:43:06.96&11019.5&             &   &c1 (EPIC)&11720.5&701&$<$$2.6$&symbiotic?\\
Jul-98   & 41:18:09.9&      &             &   &c2 (EPIC)&11906.5&887&$<$$4.3$&\\
         &          &       &[PFH2005]~395&1.9&c3 (EPIC)&12089.5&1070&$0.9\pm0.4$&SSS\\
         &          &       &r3-115       &1.1&1575 (ACIS~S)&12187.5&1168&$5.0\pm0.7$&SSS-HR, DKG2004\\
         &          &    &J004306.9+411810&0.6&1912 (HRC~I)&12213.5&1194&$3.8\pm0.9$&K2002\\
         &          &       &[PFH2005]~395&1.9&c4 (EPIC)&12280.5&1261&$20.1\pm0.7$&hard spectrum, see Fig.~\ref{spec_395}\\
         &          &       &             &   &2905 (HRC~I)&12290.7&1271&$80.0\pm15.0$&\\
         &          &       &             &   &2906 (HRC~I)&12427.9&1418&$<$$8.4$&\\ 
\noalign{\medskip}            
WeCAPP-  &0:43:18.61&12094.6$^<$&         &   &c3 (EPIC)&12089.5&  $-$5&$<$$0.9$&\\      
N2001-08 &41:09:49.1&       &J004318.5+410950&1.2&1912 (HRC~I)&12213.5&119&$5.3\pm2.0$&K2002\\
         &          &       &             &   &c4 (EPIC)&12280.5& 186&$<$$0.5$&\\
\noalign{\medskip}
GCVS-M31-&0:43:28.76&10970.5&             &   &c1 (EPIC)&11720.5&750&$<$$1.0$&recurrent nova \\
V1067    &41:21:42.6&       &             &   &c2 (EPIC)&11906.5&936&$<$$1.7$& \\
         &          &       &[PFH2005]~456&1.1&c3 (EPIC)&12089.5&1119&$1.3\pm0.4$&SSS \\
         &          &       &             &   &1912 (HRC~I)&12213.5&1243&$<$$5.0$&\\
         &          &       &[PFH2005]~456&1.1&c4 (EPIC)&12280.5&1310&$1.7\pm0.3$&SSS \\
\noalign{\medskip}
[SI2001] &0:43:33.5 & 8280.5&             &    &600068p (PSPC)&8465.5&185&$<$$14.8$& \\
1991-12  &41:16:22  &       &[SHL2001]~246&10.5&SII-E1 (PSPC) &8840.5& 560&$88.3\pm10.1$& strong soft component\\
        &          &        &[SHL2001]~246&10.5&SII-E2 (PSPC) &8990.5& 710&$51.4\pm6.2$& strong soft component\\
         &          &       &             &    &SII-E3 (PSPC) &9190.5& 910&$<$$5.8$& \\
\noalign{\medskip}
[SI2001] &0:44:04.71& 8151.9&[SHP97]~268  &   &150006h (HRI)  & 8099.5& $-52$&$<$$28.7$&\\
1990-16  &41:18:21.7&       &             &2.0&600067p (PSPC) & 8464.5&  313&$12.1\pm1.9$& SSS, see Nedialkov \\
         &          &       &             &   &SII-E1 (PSPC)  & 8840.5&  689&$<$$8.2$&~~~et al. (2002)\\
         &          &       &             &   &SII-E2 (PSPC)  & 8990.5&  839&$<$$2.9$& \\
\noalign{\smallskip}
         ShAl 57  &0:45:50.17&10718.5&[SHP97]~319  &7.1&600066p (PSPC) & 8463.5&$-$2255&$9.6\pm2.9$& strong soft component\\
         &41:36:06.1&       &             &   &SII-E1 (PSPC)  & 8840.5&$-$1878&$<$$7.5$&\\
         &          &       &             &   &SII-E2 (PSPC)  & 8990.5&$-$1728&$<$$1.7$& \\
         &          &       &             &   &SII-E3 (PSPC)  & 9190.5&$-$1528&$<$$13.6$& \\
\noalign{\medskip}         
[WS2004] &1:33:47.1 & 9955.5&             &   &400460h-1 (HRI)& 9911.5&  $-44$&$<$$8.5$&Nova in M~33 \\
1995-1   &30:40:26  &       &[HP2001]~93  &1.3&600911h   (HRI)&10110.5&  145&$40.3\pm4.3$& \\
         &          &       &             &   &600911h-1 (HRI)&10286.5&  331&$<$$8.5$& \\
         &          &       &             &   &400903h   (HRI)&10460.5&  505&$<$$8.5$& \\
\noalign{\medskip}
[WS2004] &1:34:06.9 &10012.5&             &   &400460h-1 (HRI)& 9911.5&  $-101$&$<$$3.7$&Nova in M~33 \\
1995-3   &30:37:18  &       &             &   &600911h   (HRI)&10110.5&    98&$<$$11.1$& \\
         &          &       &             &   &600911h-1 (HRI)&10286.5&   274&$<$$13.0$& \\
         &          &       &             &   &400903h   (HRI)&10460.5&   448&$<$$2.6$& \\
         &          &       &             &   &0102640101 (EPIC)&11760.5& 1748&$1.6\pm0.8$& \\
         &          &       &             & $\sim$0.8&786 (ACIS S)&11786.5& 1774&$1.8\pm0.4$& SSS\\
         &          &       &             &   &0102640701 (EPIC)&12095.5& 2083&$<$$4.0$& \\
         &          &       &             &   &0102642101 (EPIC)&12299.5& 2287&$<$$1.2$& \\
\noalign{\smallskip}
\hline
\end{tabular}
\smallskip
Notes:  \hspace*{0.10cm} $^a$ $^*$ Indicates well defined date of optical maximum, $^<$ and $^>$ maximum before or after, else badly defined (see text). \\
\hspace*{1.cm} $^b$ Full source names from  K2002 are CXOM31~Jhhmmss.s+ddmmss. \\
\hspace*{1.cm} $^c$ For \xmm\ c1 corresponds to ObsID 0112570401, c2 to 0112570601, c3 to 0112570701, c4 to 0112570101 and~s1\\  
\hspace*{1.3cm}to~0112570201; 
for \chandra\ we give ObsID and camera used (see text); for the second ROSAT survey  SII-E1, SII-E2, SII-E3 indicate\\ \hspace*{1.2cm} the different epochs (see text); $^*$ Merged with ROSAT HRI observation 600675h.\\
\hspace*{1.cm} $^d$ Unabsorbed luminosity in 0.2--1.0 keV band assuming a 50~eV 
black body spectrum with Galactic absorption; 
upper limits are 3$\sigma$. 
\end{table}