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Table A.1.
QSOs in the P4 sample.
| ID | SDSS ID | Redshift z | i mag (mag) | Mi (mag) | Plate-MJD-fiber | Ntr. |
|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| 28 | J004022.40+005939.6 | 2.5650 ± 0.0006 | 19.22 ± 0.03 | −26.751 | 0690-52261-563 3587-55182-950 |
1 0 |
| 94 | J021755.25-090141.0 | 2.3254 ± 0.0004 | 18.78 ± 0.02 | −26.975 | 0668-52162-163 4395-55828-262 |
2 0 |
| 121 | J030004.75-063224.8 | 2.1821 ± 0.0006 | 18.98 ± 0.02 | −26.708 | 0458-51929-330 7056-56577-060 |
1 0 |
| 235 | J081102.91+500724.2 | 1.8422 ± 0.0006 | 18.84 ± 0.02 | −26.445 | 0440-51912-395 3699-55517-062 |
1 0 |
| 247 | J081338.34+240729.1 | 1.8273 ± 0.0006 | 18.43 ± 0.01 | −26.835 | 1585-52962-262 4469-55863-924 |
2 1 |
| 407 | J090757.38+333116.2 | 1.9362 ± 0.0005 | 18.69 ± 0.02 | −26.643 | 1272-52989-543 5812-56354-032 |
2 1 |
| 428 | J091159.36+442526.8 | 2.1713 ± 0.0003 | 17.79 ± 0.02 | −27.791 | 0832-52312-182 4687-56338-654 |
1 0 |
| 447 | J091808.80+005457.7 | 2.116 ± 0.001 | 18.76 ± 0.02 | −26.783 | 0472-51955-615 3821-55535-914 |
1 1 |
| 451 | J091944.53+560243.3 | 1.7964 ± 0.0005 | 18.75 ± 0.02 | −26.414 | 0451-51908-195 5725-56625-675 |
1 0 |
| 469 | J092418.53+271851.5 | 2.1624 ± 0.0005 | 18.79 ± 0.02 | −26.806 | 1940-53383-352 5797-56273-154 |
2 0 |
| 471 | J092444.66-000924.0 | 2.8632 ± 0.0003 | 19.22 ± 0.02 | −27.019 | 0474-52000-178 3823-55534-262 |
4 1 |
| 490 | J092851.41+311627.0 | 2.0478 ± 0.0005 | 18.62 ± 0.03 | −26.835 | 1941-53386-168 5807-56329-416 |
3 1 |
| 515 | J093418.28+355508.3 | 2.4402 ± 0.0007 | 18.90 ± 0.01 | −26.949 | 1275-52996-096 4575-55590-498 |
2 1 |
| 526 | J093620.52+004649.2 | 1.7213 ± 0.0005 | 18.39 ± 0.02 | −26.746 | 0476-52314-444 3826-55563-542 |
1 0 |
| 549 | J094437.56+104726.8 | 2.0334 ± 0.0007 | 18.89 ± 0.02 | −26.554 | 1742-53053-100 5321-55945-498 |
1 0 |
| 565 | J094804.89+473223.0 | 1.7125 ± 0.0005 | 18.03 ± 0.02 | −26.998 | 1005-52703-121 5741-55980-764 |
2 2 |
| 572 | J095035.10+560253.1 | 2.1775 ± 0.0006 | 19.06 ± 0.02 | −26.528 | 0557-52253-126 5743-56011-644 |
2 1 |
| 603 | J100117.02+642009.4 | 1.9490 ± 0.0006 | 19.19 ± 0.02 | −26.179 | 0487-51943-565 5722-56008-829 |
1 0 |
| 605 | J100131.95+053322.7 | 1.9594 ± 0.0006 | 18.76 ± 0.02 | −26.604 | 0995-52731-092 4800-55674-678 |
3 0 |
| 623 | J100607.17+625320.2 | 1.8504 ± 0.0005 | 19.08 ± 0.02 | −26.143 | 0487-51943-075 5722-56008-076 |
3 1 |
| 668 | J102250.16+483631.1 | 2.0601 ± 0.0005 | 18.64 ± 0.02 | −26.82 | 0873-52674-555 7386-56769s584 |
2 1 |
| 673 | J102435.39+372637.0 | 1.7287 ± 0.0005 | 18.31 ± 0.02 | −26.741 | 1957-53415-515 4559-55597-470 |
1 0 |
| 682 | J102812.08+381132.9 | 1.8196 ± 0.0006 | 19.08 ± 0.02 | −26.08 | 1428-52998-110 4559-55597-654 |
1 0 |
| 704 | J103311.79+603146.5 | 2.5031 ± 0.0003 | 18.66 ± 0.02 | −27.217 | 0560-52296-402 7090-56659-084 |
1 0 |
| 735 | J104509.67+480429.8 | 1.7834 ± 0.0006 | 19.07 ± 0.02 | −26.065 | 0963-52643-359 6701-56367-432 |
1 0 |
| 752 | J104841.02+000042.8 | 2.0263 ± 0.0006 | 18.72 ± 0.02 | −26.759 | 0276-51909-310 3835-55570-398 |
2 0 |
| 794 | J110038.71+450626.2 | 1.8711 ± 0.0006 | 19.04 ± 0.03 | −26.18 | 1436-53054-128 4689-55656-910 |
2 1 |
| 808 | J110549.37+663456.8 | 2.0352 ± 0.0006 | 19.15 ± 0.02 | −26.296 | 0490-51929-557 7111-56741-396 |
2 2 |
| 816 | J110906.31+640704.9 | 1.8555 ± 0.0004 | 17.31 ± 0.02 | −27.902 | 0596-52370-426 7110-56746-430 |
4 0 |
| 885 | J112602.81+003418.2 | 1.7928 ± 0.0005 | 18.08 ± 0.02 | −27.073 | 0281-51614-432 3839-55575-844 |
2 1 |
| 911 | J113236.06+030335.1 | 1.7609 ± 0.0005 | 18.47 ± 0.01 | −26.647 | 0513-51989-335 4768-55944-124 |
2 1 |
| 917 | J113423.00+150059.2 | 2.1074 ± 0.0004 | 18.75 ± 0.04 | −26.791 | 1755-53386-396 5373-56010-103 |
2 0 |
| 919 | J113438.58+091012.6 | 1.7967 ± 0.0006 | 18.65 ± 0.02 | −26.533 | 1224-52765-257 5375-55973-304 |
1 0 |
| 928 | J113754.91+460227.4 | 2.1102 ± 0.0006 | 18.94 ± 0.02 | −26.606 | 1442-53050-004 6647-56390-040 |
1 0 |
| 986 | J115244.20+030624.4 | 2.0865 ± 0.0005 | 18.31 ± 0.02 | −27.209 | 0515-52051-464 4765-55674-228 |
3 1 |
| 1005 | J115707.36+333257.9 | 2.262 ± 0.0003 | 18.82 ± 0.03 | −26.859 | 2099-53469-197 4647-55621-252 |
1 0 |
| 1184 | J124505.66+561430.5 | 2.1136 ± 0.0004 | 18.64 ± 0.02 | −26.855 | 1317-52765-202 6832-56426-888 |
1 0 |
| 1203 | J125432.78+435228.9 | 2.1612 ± 0.0006 | 19.13 ± 0.02 | −26.441 | 1373-53063-052 6619-56371-696 |
1 0 |
| 1235 | J130542.35+462503.4 | 1.8272 ± 0.0005 | 18.91 ± 0.02 | −26.267 | 1459-53117-165 6624-56385-476 |
2 1 |
| 1252 | J131038.17+113617.9 | 1.6974 ± 0.0006 | 18.76 ± 0.02 | −26.269 | 1696-53116-027 5422-55986-304 |
1 0 |
| 1269 | J131524.71+130411.8 | 2.3149 ± 0.0005 | 18.85 ± 0.02 | −26.893 | 1697-53142-525 5425-56003-322 |
1 0 |
| 1286 | J132216.24+052446.3 | 2.0498 ± 0.0006 | 18.38 ± 0.02 | −27.09 | 0851-52376-622 4761-55633-794 |
4 1 |
| 1298 | J132508.81+122314.2 | 1.7724 ± 0.0005 | 17.92 ± 0.01 | −27.217 | 1698-53146-509 5432-56008-492 |
1 0 |
| 1316 | J133119.14+035658.0 | 1.7348 ± 0.0005 | 17.97 ± 0.01 | −27.127 | 0853-52374-295 4759-55649-279 |
2 1 |
| 1323 | J133211.21+392825.9 | 2.0520 ± 0.0009 | 19.02 ± 0.02 | −26.402 | 2005-53472-330 4708-55704-412 |
1 0 |
| 1359 | J134544.55+002810.7 | 2.4680 ± 0.0005 | 18.53 ± 0.02 | −27.349 | 0300-51943-382 4043-55630-868 |
1 0 |
| 1393 | J135910.45+563617.3 | 2.2498 ± 0.0006 | 17.78 ± 0.03 | −27.868 | 1159-52669-296 6801-56487-742 |
2 1 |
| 1400 | J140051.80+463529.9 | 1.9702 ± 0.0005 | 17.65 ± 0.02 | −27.695 | 1285-52723-104 6750-56367-306 |
1 0 |
| 1408 | J140231.80+643610.4 | 1.9109 ± 0.0005 | 19.07 ± 0.02 | −26.192 | 0498-51984-238 6986-56717-170 |
2 0 |
| 1414 | J140501.94+444759.7 | 2.2149 ± 0.0004 | 17.86 ± 0.04 | −27.751 | 1467-53115-494 6055-56102-576 |
3 1 |
| 1441 | J141407.25+562010.3 | 2.2822 ± 0.0003 | 18.98 ± 0.02 | −26.706 | 1160-52674-231 6803-56402-426 |
1 0 |
| 1464 | J142132.01+375230.3 | 1.7791 ± 0.0006 | 18.66 ± 0.02 | −26.73 | 1380-53084-013 4713-56044-532 |
1 0 |
| 1467 | J142140.27-020239.0 | 2.0878 ± 0.0006 | 18.88 ± 0.02 | −26.68 | 0917-52400-546 4032-55333-736 |
3 1 |
| 1480 | J142514.60+632703.8 | 2.1767 ± 0.0003 | 18.13 ± 0.01 | −27.465 | 0499-51988-179 7124-56720-431 |
4 0 |
| 1493 | J142813.72+233742.8 | 1.9383 ± 0.0006 | 18.64 ± 0.02 | −26.752 | 2136-53494-360 6014-56072-778 |
1 0 |
| 1534 | J143821.60+393407.3 | 2.0430 ± 0.0007 | 18.66 ± 0.01 | −26.78 | 1349-52797-022 5171-56038-070 |
2 1 |
| 1638 | J151610.07+434506.7 | 1.8218 ± 0.0005 | 18.47 ± 0.01 | −26.708 | 1677-53148-599 6040-56101-448 |
1 0 |
| 1650 | J152149.78+010236.4 | 2.2386 ± 0.0004 | 18.56 ± 0.02 | −27.159 | 0313-51673-339 4011-55635-166 |
1 0 |
| 1651 | J152243.98+032719.8 | 2.0002 ± 0.0005 | 18.65 ± 0.02 | −26.803 | 0592-52025-254 4803-55734-442 |
1 0 |
| 1693 | J154256.06+372746.4 | 1.7440 ± 0.0006 | 19.11 ± 0.02 | −25.97 | 1416-52875-380 4973-56042-533 |
2 1 |
| 1701 | J154621.25+521303.4 | 2.7794 ± 0.0003 | 19.07 ± 0.02 | −27.057 | 0618-52049-271 6715-56449-234 |
3 2 |
| 1702 | J154655.55+370739.2 | 1.8022 ± 0.0006 | 18.93 ± 0.02 | −26.212 | 1416-52875-529 4973-56042-318 |
1 0 |
| 1715 | J155119.14+304019.8 | 2.4104 ± 0.0004 | 18.49 ± 0.02 | −27.362 | 1580-53145-008 5011-55739-054 |
2 1 |
| 1717 | J155135.78+464609.4 | 1.8975 ± 0.0007 | 18.85 ± 0.02 | −26.389 | 1168-52731-115 6730-56425-366 |
2 1 |
| 1823 | J163844.42+350857.4 | 2.2635 ± 0.0007 | 18.92 ± 0.02 | −26.784 | 1339-52767-602 5188-55803-876 |
2 2 |
| 1824 | J163847.42+232716.4 | 3.864 ± 0.002 | 18.40 ± 0.02 | −28.506 | 1571-53174-539 4186-55691-408 |
2 1 |
| 1853 | J165543.23+394519.8 | 1.7545 ± 0.0005 | 17.90 ± 0.01 | −27.197 | 0633-52079-353 6063-56098-438 |
2 1 |
Notes. Columns: (1): source identification number in this work; (2): source SDSS identification; (3): redshift from Hewett & Wild (2010); (4): i-band magnitude from Schneider et al. (2007); (5) absolute i-band magnitude from Shen et al. (2011); (6) plate, MJD, and fiber identifying each SDSS-I/II spectrum where a BAL trough is detected, and the corresponding BOSS spectrum (MJD ≥ 55 176) where disappearance occurs (in cases of multiple spectra, we adopt the rule defined in Sect. 4.1); (7): number of BAL troughs detected in the same spectrum.
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