\begin{table}%t1 \caption{\label{table:1} 2XMM BALQSO sample.} %\centering \begin{tabular}{c c c c c c c c} \hline\hline \noalign{\smallskip} Name$^{(1)}$ & 2XMM name$^{(2)}$ & $z^{(3)}$ & BAL Type$^{(4)}$ & BI$^{(5)}$ & Analysis$^{(6)}$ & N. obs.$^{(7)}$& Notes$^{(8)}$\\ \hline 2QZ J003814.3-273130 & 2XMM J003814.1-273131 & 2.405 & H & 597 & HR &1 & Cr \\ SDSS J004206.18-091255.7 & 2XMM J004206.1-091255 & 1.778 & nHi & 0 & HR &1 & \\ SDSS J004338.10+004615.9 & 2XMM J004338.0+004616 & 1.574 & Lo & 185 & A &1 & Mg II\\ SDSS J004341.24+005253.3 & 2XMM J004341.3+005253 & 0.834 & Lo & 91 & A &1 & Mg II\\ APMUKS(BJ)B004751.94-523127.9 & 2XMM J005007.3-521506 & 2.422 & Hi & 1300 & A & 3 & C \\ XMMU J010316.7-065137 & 2XMM J010316.2-065135 & 1.914 & Lo & 750 & HR &1 & Br\\ XMMU J010328.7-064633 & 2XMM J010328.7-064634 & 1.820 & Hi & 210 & A &1 & Br \\ SDSS J010941.97+132843.8 & 2XMM J010941.8+132844 & 1.226 & Lo & 20 & HR &1 & Mg~II\\ $[$WFM91$]$ 0226-1024 & 2XMM J022839.1-101111 & 2.256 & Hi & 7344 & HR &1 & W\\ SDSS J023148.80-073906.3 & 2XMM J023148.8-073905 & 2.512 & Hi & 50 & A &1 & \\ SDSS J023224.87-071910.5 & 2XMM J023224.7-071909 & 1.597 & Hi & 280 & A &1 & \\ SDSS J024230.65-000029.6 & 2XMM J024230.6-000030 & 2.505 & H & 2286 & HR &1 & \\ SDSS J024304.68+000005.4 & 2XMM J024304.6+000005 & 1.995 & Hi & 290 & A &2 & \\ SDSS J030222.08+000631.0 & 2XMM J030222.0+000630 & 3.315 & H & 100 & A &1 & \\ SDSS J072945.33+370031.9 & 2XMM J072945.3+370032 & 0.969 & Lo & 37 & HR &1 & Mg II\\ SDSS J073405.24+320315.2 & 2XMM J073405.2+320315 & 2.082 & Hi & 0 & HR &1 & \\ IRAS J07598+6508 & 2XMM J080430.4+645951 & 0.149 & Lo & 3892 & A &1 & H\\ SDSS J083633.54+553245.0 & 2XMM J083633.4+553245 & 1.614 & Hi & 0 & HR &1 & \\ CXOSEXSI J084840.5+445732 & 2XMM J084840.5+445733 & 3.093 & Hi & 2136 & A &3 & St\\ SDSS J085551.24+375752.2 & 2XMM J085551.1+375752 & 1.930 & Hi & 1296 & A &1 & \\ SDSS J091127.61+055054.1 & 2XMM J091127.5+055054 & 2.763 & H & 2358 & A &1 & \\ SDSS J091914.23+303019.0 & 2XMM J091914.2+303018 & 1.387 & Lo & 38 & HR &1 & Mg II\\ SDSS J092104.36+302030.3 & 2XMM J092104.3+302031 & 3.350 & H & 40 & A &3 & \\ SDSS J092138.45+301546.9 & 2XMM J092138.4+301546 & 1.589 & Hi & 0 & HR &1 & \\ SDSS J092142.57+513149.4 & 2XMM J092142.5+513148 & 1.835 & nHi & 67 & HR&1 & \\ SDSS J092238.43+512121.2 & 2XMM J092238.3+512120 & 1.751 & Lo & 180 & A &1 & Mg II\\ SDSS J092345.19+512710.0 & 2XMM J092345.1+512711 & 2.164 & Hi & 1696 & HR&1 & \\ SDSS J093918.07+355615.0 & 2XMM J093918.1+355612 & 2.047 & Hi & 80 & HR &1 & \\ SDSS J094309.56+481140.5 & 2XMM J094309.8+481142 & 1.809 & Hi & 65 & HR &1 & \\ SDSS J095548.13+410955.3 & 2XMM J095548.1+410955 & 2.308 & nH & 10 & HR &1 & \\ SDSS J095942.08+024103.1 & 2XMM J095942.0+024104 & 1.795 & Lo & 595 & HR &1 & P\\ SDSS J095944.47+051158.3 & 2XMM J095944.4+051157 & 1.596 & Hi & 0 & HR &1 & \\ SDSS J100038.01+020822.3 & 2XMM J100037.9+020822 & 1.825 & Lo & 267 & HR&1 & P\\ SDSS J100116.78+014053.5 & 2XMM J100116.7+014053 & 2.055 & Hi & 0 & A &2& \\ SDSS J100120.84+555349.5 & 2XMM J100120.7+555351 & 1.413 & Lo & 27 & A &2 & Mg II\\ SDSS J100145.15+022456.9 & 2XMM J100145.2+022456 & 2.032 & nHi & 10 & HR &2 & \\ PG 1004+130 & 2XMM J00726.0+124856 & 0.241 & Hi & 850 & A &1 & Wi\\ SDSS J100728.69+534326.7 & 2XMM J100728.8+534327 & 1.768 & nHi & 3 & A &1 & \\ SDSS J101144.33+554103.1 & 2XMM J101144.4+554103 & 2.811 & H & 0 & A &1 & \\ SDSS J101614.26+520915.7 & 2XMM J101614.2+520916 & 2.455 & H & 2401 & HR &1& Gr\\ SDSS J101954.54+082515.0 & 2XMM J101954.6+082515 & 3.010 & nH & 0 & HR &1& \\ SDSS 102117.74+131545.9 & 2XMM J102117.7+131546 & 1.565 & Lo & 35 & A &1& Mg II\\ SDSS J104433.04-012502.2 & 2XMM J104433.0-012500 & 5.800 & Hi & 900 & HR &1& G\\ ISO${\_}$LHDS J105154+572408 & 2XMM J105154.5+572407 & 2.400 & Hi & 900 & A & 12 & LH\\ SDSS J105201.35+441419.8 & 2XMM J105201.3+441417 & 1.791 & Hi & 476 & A &1& \\ RX J105207.7+573842 & 2XMM J105207.4+573838 & 2.730 & Hi & 4300 & A&12 & LH\\ SDSS J110637.16+522233.4 & 2XMM J110637.0+522233 & 1.840 & Hi & 0 & HR &1& \\ SDSS J110853.98+522337.9 & 2XMM J110853.5+522341 & 1.664 & Hi & 50 & HR &1 & \\ $[$HB89$]$ 1115+080 & 2XMM J111816.9+074558 & 1.735 & Hi & 9 & A &3& \\ SDSS J111859.56+075606.5 & 2XMM J111859.7+075602 & 1.760 & Hi & 3 & HR &1& \\ SDSS J112020.96+432545.1 & 2XMM J112020.9+432545 & 3.548 & H & 0 & A &1& \\ SDSS J112300.25+052451.0 & 2XMM J112300.3+052448 & 3.700 & nH & 0 & HR &1 & \\ UM 425 & 2XMM J112320.7+013748 & 1.462 & Hi & 415 & HR &1 & Hu \\ SDSS J112432.14+385104.3 & 2XMM J112432.0+385104 & 3.530 & H & 270 & HR &1 & \\ SDSS J113537.67+491323.2 & 2XMM J113537.6+491322 & 1.982 & nH & 205 & HR &1 & \\ SDSS J114111.61-014306.6 & 2XMM J114111.5-014305 & 1.266 & Lo & 500 & HR &1 & Mg II\\ SDSS J114636.88+472313.3 & 2XMM J114636.9+472313 & 1.895 & Lo & 24 & A &1 & \\ SDSS J120522.18+443140.4 & 2XMM J120522.1+443141 & 1.921 & Hi & 965 & A &1 & \\ SDSS J122307.52+103448.2 & 2XMM J122307.4+103448 & 2.742 & H & 0 & A &1& \\ SDSS J122637.02+013015.9 & 2XMM J122636.9+013016 & 1.552 & Hi & 787 & HR &1 & \\ SDSS J122708.29+012638.4 & 2XMM J122708.2+012638 & 1.954 & Hi & 730 & HR &1 & \\ SDSS J123637.45+615814.4 & 2XMM J123637.7+615813 & 2.520 & H & 447 & HR &1 & \\ LBQS 1235+1807B & 2XMM J123820.3+175038 & 0.449 & Lo & 5086 & HR &1 & Mg II, F\\ SDSS J124520.72-002128.2 & 2XMM J124520.6-002127 & 2.354 & H & 0 & A &1 & \\ SDSS J124559.59+570053.1 & 2XMM J124559.6+570052 & 1.656 & Hi & 0 & HR &1 & \\ \hline $[$HB89$]$ 1246-057 & 2XMM J124913.8-055918 & 2.236 & Hi & 4590 & A &2 & J\\ SDSS J132330.44+545955.6 & 2XMM J132330.7+545954 & 2.208 & Hi & 0 & A &1 & \\ SDSS J132401.53+032020.6 & 2XMM J132401.4+032019 & 0.926 & nLo & 217 & HR &1 & Mg II\\ SDSS J132827.07+581836.9 & 2XMM J132827.3+581839 & 3.139 & H & 198 & HR &1 & \\ SDSS J133553.61+514744.1 & 2XMM J133553.7+514744 & 1.830 & Lo & 340 & A &1& \\ SDSS J133639.40+514605.2 & 2XMM J133639.1+514608 & 2.229 & Hi & 1410 & HR &1 & \\ SDSS J134059.24-001944.9 & 2XMM J134059.1-001945 & 1.857 & nHi & 0 & HR &1& \\ HELLAS2XMM J140049.1+025850 & 2XMM J140048.7+025852 & 1.822 & Hi & 569 & HR &2 & C\\ SDSS J142539.38+375736.7 & 2XMM J142539.3+375736 & 1.897 & Hi & 104 & A &1& \\ SDSS J142555.22+373900.7 & 2XMM J142555.2+373900 & 2.691 & H & 53 & HR &1 & \\ SDSS J142652.94+375359.9 & 2XMM J142652.8+375401 & 1.812 & Hi & 95 & HR &1 & \\ SDSS J143513.89+484149.3 & 2XMM J143513.9+484149 & 1.886 & Hi & 20 & A &2 & \\ SDSS J144625.48+025548.6 & 2XMM J144625.6+025549 & 1.866 & Hi & 256 & HR &1 & \\ SDSS J144727.49+403206.3 & 2XMM J144727.4+403206 & 1.335 & Lo & 50 & A &1& Mg II\\ SDSS J150858.15+565226.5 & 2XMM J150858.2+565227 & 1.797 & Hi & 0 & HR &1& \\ SDSS J151729.70+001652.6 & 2XMM J151729.6+001651 & 1.887 & nHi & 80 & HR &1 & \\ SDSS J152553.89+513649.1 & 2XMM J152553.8+513649 & 2.883 & Hi & 3144 & A &3 & \\ SDSS J153322.80+324351.4 & 2XMM J153322.8+324351 & 1.899 & Hi & 0 & HR &1& \\ SDSS J154359.44+535903.2 & 2XMM J154359.4+535902 & 2.370 & Hi & 82 & A &2& \\ SDSS J203941.04-010201.6 & 2XMM J203941.2-010202 & 2.065 & Hi & 0 & HR &1& \\ LBQS 2111-4335 & 2XMM J211507.0-432310 & 1.708 & Hi & 7249 & A &1& Mor\\ SDSS J213023.61+122252.2 & 2XMM J213023.4+122251 & 3.263 & nH & 12 & A &1& \\ SDSS J231850.79+002552.6 & 2XMM J231850.6+002554 & 1.591 & Hi & 0 & HR &1& \\ \hline \end{tabular} \par \tablefoot{Column~(1): source name; Col. (2): 2XMM source name; Col.~(3): redshift, taken from SDSS or NED; Col. (4): the BALQSO subclassification: Hi -- HiBAL, Lo -- LoBAL, H -- HiBAL in which the MgII region is not within the spectral coverage (i.e., impossible to check the presence of low-ionization absorption troughs), $n$ -- relatively narrow trough; Col.~(5): BI -- BALnicity Index (in units of \kms); Col.~(6): X-ray analysis used in this work: a $-$ spectral analysis, HR $-$ hardness ratio analysis; Col.~(7): number of individual XMM-Newton observations; Col.~(8): notes on individual objects: ``Mg~II'' denotes LoBAL, which BALnicity index were computed from Mg~II absorption troughs; ``Cr'' -- the optical spectrum was retrieved from \citet{2004MNRAS.349.1397C}; ``C'' -- optical spectra courtesly provided by \citet{2007AetA...466...31C}; ``Br'' -- optical spectra from AXIS survey courtesly provided by \citet{2002AetA...382..522B}; ``W'' -- BALnicity index value was taken from \citet{1991ApJ...373...23W}; ``H'' -- reconstructed spectrum from \citet{1995ApJ...448L..69H}; ``St'' -- reconstructed spectrum from \citet{2002AJ....123.2223S}; ``P'' -- optical spectra courtesly provided by \citet{2006ApJ...644..100P}; ``Wi'' -- BALnicity index value was taken from \citet{1999ApJ...520L..91W}; ``Gr'' -- BALnicity index value was taken from \citet{2000ApJ...544..142G}; ``G'' -- BALnicity index value was taken from \citet{2001ApJ...561L..23G}; ``LH'' -- spectra were taken and reconstructed from \citet{2001AetA...371..833L}; ``Hu'' -- BALnicity index value was taken from \citet{2000AetA...358..835H}; ``F'' -- reconstructed spectrum from \citet{1987AJ.....94.1423F}; ``J'' -- reconstructed spectrum from \citet{1987ApJ...317..460J}; ``Mor'' - reconstructed spectrum from \citet{1991AJ....102.1627M}. The spectra for rest of the objects were retrieved from the SDSS archive and correspond to the following catalogues: \citet{2006ApJS..165....1T}; \citet{2008ApJ...680..169S} and \citet{2009ApJ...692..758G}.} \end{table}