J/ApJS/244/36ivo://CDS.VizieR/J/ApJS/244/36doi:10.26093/cds/vizier.22440036CDSChen Z.-F.Yi S.-X.Pang T.-T.Chen Z.-G.Gui R.-J.Wang Z.-W.,Mo X.-H.Yi T.-F.2022-09-07T13:45:37Z2022-03-30T14:41:47ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frquasarsvisible-astronomyspectroscopyredshiftedline-intensitiessurveysThis work aims to measure the properties of continuum and emission lines around CIV, MgII, H{beta}, and H{alpha} for the quasars observed by the extended Baryon Oscillation Spectroscopic Survey (eBOSS) during the first two years. We determine the quasar redshifts based on narrow [OIII]{lambda}5007, broad MgII{lambda}2799, and/or CIV{lambda}1548 emission lines. The comparisons between the visual inspection redshifts included in DR14Q and the redshifts determined by us suggest that the visual inspection redshifts would be robust. We also infer the virial black hole mass of quasars based on CIV, MgII, H{beta}, and/or H{alpha} broad emission lines, using empirical relationships reported by previous studies. Systematic differences are remarkable among different line-based mass estimators reported by previous studies. Using the empirical relationship (Equation (1)), we improve the line-based mass estimators by recalibrating new coefficient (a,b), so that different line-based mass estimators are more consistent. We find that (a,b)=(0.96,0.5), (0.91,0.5), (0.82,0.5), and (0.77,0.5) are the best choices for the H{alpha}-, H{beta}-, MgII-, and CIV-based mass estimators, respectively. All these above properties are publicly available. We also find that the line and continuum luminosities are tightly correlated with each other. The Balmer lines show a negative Baldwin effect, while the metal lines display a positive Baldwin effect. In addition, we find that tight correlations are indwelled in different line luminosities.2019ApJS..244...36Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/244/36CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVII/260 : The SDSS-DR7 quasar catalog (Schneider+, 2010)V/147 : The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)VII/286 : SDSS quasar catalog, fourteenth data release (Paris+, 2018)VII/289 : SDSS quasar catalog, sixteenth data release (DR16Q) (Lyke+, 2020)J/A+A/417/515 : I Zw 1 unusual emission line spectrum (Veron-Cetty+, 2004)J/MNRAS/366/480 : Emission-line properties of Seyfert 2 nuclei (Gu+, 2006)J/AJ/131/1 : Binary quasars in the SDSS (Hennawi+, 2006)J/AJ/131/2766 : Quasar luminosity function from SDSS-DR3 (Richards+, 2006)J/AJ/133/2222 : Clustering of high-redshift QSOs from SDSS (Shen+, 2007)J/ApJ/680/169 : SDSS DR5 virial black hole masses (Shen+, 2008)J/MNRAS/397/1713 : SDSS DR3 flat-spectrum radio quasars (Chen+, 2009)J/MNRAS/405/2302 : Improved redshifts for SDSS quasar spectra (Hewett+, 2010)J/ApJ/708/427 : Type 2 AGNs with double-peaked [OIII] lines (Liu+, 2010)J/ApJS/194/45 : QSO properties from SDSS-DR7 (Shen+, 2011)J/MNRAS/462/2980 : BOSS narrow CIV absorption lines. III. (Chen+, 2016)J/ApJ/831/7 : SDSS-RM project: peak velocities of QSOs (Shen+, 2016)J/ApJS/228/9 : Parameters of ~300000 SDSS-DR12 QSOs (Kozlowski, 2017)J/ApJS/235/11 : Absorption features in SDSS. I. MgII abs. (Chen+, 2018)J/ApJS/234/16 : H{alpha} & H{beta} spectral regions of QSOs (Chen+, 2018)J/AJ/155/189 : LAMOST Quasar Survey: QSO data from DR2&3 (Dong+, 2018)http://www.sdss.org/ : SDSS home pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/244/36https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/244/36http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/244/36https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/244/36https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/244/36http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/244/36GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJS/244/36/table1 (SDSS-IV/eBOSS quasar catalog)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/244/36/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/244/36/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/244/36/table1?GETtext/xml+votable180.050000true37.8314583-4.00797220.0055555555555555563/90-91 93-95 101 112-113 278 282 311 4/42-43 46 128-130 138 319 339-340 343 345 347 349-351 356 358-359 369-371 411-413 415 456-458 460 464-465 467-469 667-668 670 680 685-687 689-692 702-704 706 712 746 791 797 832-834 1087 1099 1101-1103 1106-1110 1121-1126 1216 1237-1239 1241 1243 1253 1255 1257-1260 1262 1264-1265 1269-1270 1791 2302 5/2 8-9 163 166-167 190 524-525 528-529 536 544 546-547 640 642 1271 1275 1333 1335 1338 1340 1350-1351 1364-1366 1368-1370 1376-1377 1379 1385 1387 1394-1395 1413-1415 1420-1421 1423 1428 1430-1431 1473-1475 1607 1613 1637-1639 1641 1657 1659 1836-1838 1844-1845 1847-1848 1864-1865 1880-1881 1890-1891 2303 2490-2492 2494 2502 2505 2507-2508 2510 2529 2532 2618 2621 2623 2639 2644 2649-2651 2654-2655 2658-2659 2661-2666 2676-2677 2679 2684-2686 2694-2695 2698-2700 2702-2703 2709-2710 2713-2715 2718-2719 2724-2726 2728-2730 2735-2737 2739 2755 2772-2774 2776-2778 2783-2786 2788 2792 2794-2795 2798-2799 2805 2807 2821 2823 2829-2830 2832 2856-2857 2870 2873 2875-2876 2878 2881 2883 2944 2946-2947 2954 2960-2962 2968-2969 2976 2978-2979 2982-2983 2988 3155 3157-3159 3161 3163 3185 3196-3197 3340-3341 3344 3346 3358 3360 4314-4315 4317-4319 4336-4338 4341-4343 4345 4380-4381 4383 4395 4401-4403 4419 4421-4423 4444-4446 4464-4466 4468-4470 4472 4474 4481-4483 4508-4510 4528-4530 4532-4533 4536 4538 4544-4546 4692-4693 4695 4863 4869 4873 4875-4876 4927 4943 4947 4963 4969-4971 5007 5011 5017-5019 5027 5044 5046-5047 5052-5054 5064-5065 5068 5072-5074 5084 5086 5090 5101-5103 5107-5108 5110 5112 5114 7157 7159 7162-7163 9191 9202 9214 6/0 2-3 14 40-41 646-647 651 658-659 662 712 714-715 754-755 764 766 2104-2106 2108-2109 2120 2122 2124-2125 2128 2130 2136-2137 2152 2156 2170 2180-2182 2202 2205-2206 2254 2566 2579 2592 2594-2595 2598 2600-2602 4126 4159 4168 4204 4216 4220 4678 4991 5024 5077-5079 5081-5083 5088 5093-5095 5097-5099 5146 5184 5206 5309 5311 5314 5337-5339 5346-5347 5349-5351 5356 5358-5359 5364-5366 5370-5371 5379 5391 5397-5399 5413 5415 5423 5468-5470 5484-5486 5512 5537 5539 5547 5568 5570 5573-5575 5638 5641 5672 5674-5675 5678-5679 5690 5718 5889 5891 6171 6410 6421-6423 6425-6427 6448-6449 6451 6461-6463 6541-6543 6545-6547 6561-6563 6568-6569 6572-6573 6575 6624-6625 6635 6917 6928-6929 6932-6933 6976-6977 6980-6981 6992 6997 7356-7358 7384-7386 7396-7398 7400-7401 7464-7465 7468-7469 7471 7528-7530 7532-7533 7536-7538 7540 7552 7554-7555 7557-7559 7568-7569 7572-7573 7585 7680-7681 7684-7685 7696 8372 8419 8442 8479 8538 8620 8666 8700 8747 8749 8778 8792 8887 9206-9207 9209-9211 9384 9764 9855 9890 9896 9898 9919 9941 9943-9944 9972 9974 9980 9982 9988 9999 10003 10006 10012 10014 10025 10027 10036 10038 10044 10046 10114 10124-10125 10132 10134 10136-10137 10145 10148 10163 10290 10304 10307 10429 10431 10452 10463 10466-10467 10470 10476 10478 10551 10565 10567 10573-10575 10580-10582 10584-10586 10589 10593-10595 10608 10610 10613-10615 10627 10630 10642 10668-10670 10712 10714-10715 10748-10749 10751 10770-10771 10773-10775 10787 10790-10791 10804 10806-10807 10816-10817 10820 10829-10831 10833-10835 10844-10846 10849-10851 10864-10866 10869-10871 10908 10910 10924 10926 10928 10930 10933-10935 10937-10939 10953-10955 11008-11010 11013-11015 11017-11019 11100-11102 11116 11118 11126-11127 11129 11131 11148 11150-11151 11156-11157 11163 11172-11174 11190-11191 11200 11211 11214-11215 11217 11225-11227 11283 11289 11291 11313-11315 11324 11332 11336 11338 11360 11365 11408 11418 11432-11434 11436 11466 11471 11473-11476 11478 11484 11486 11498-11499 11529 11531 11536 11538 11544 11546 11553 11556-11557 11782-11783 11797-11800 11802 11804-11805 11807 11809-11812 11822 11829 11852-11854 11856 11858 11864 11880-11881 11884 11908 11910-11911 11921-11923 11926-11927 11956 11960 12318 12375 12615 12617 12619 12625-12627 12640-12641 12643 12648-12649 12651 12737 12749 12751 12773 12793 12796-12797 13368-13369 13380 13382 13388 13390 13408 13423 13426-13427 13444 13446 13448-13449 13452 13509 13520 13572-13573 13575 13581 13583-13586 13588 13592 13601 13604 13632 17213-17215 17245-17247 17249-17252 17254-17255 17265-17267 17297 17299 17303 17309 17357-17361 17363 17376-17377 17388-17389 17391 17487 17496 17498-17499 17505 17509 17511 17518-17519 17528-17530 17565-17567 17575 17579 17601-17603 17664 17674-17675 17681-17683 17788 17790-17791 17868-17869 17871 17884 17892 17894-17895 17900 17921-17923 18044 18046 18124 18136-18137 18140-18141 18188 18192 18196-18197 18208 18233 18240-18241 18245 18247 18249 18277 18289 18332-18333 18347 18349 18376 18399 18423 18427 18429-18431 18757 18805 18814 18826 18879 18897 18940 19020 19049 19096 19119 19142 19281 19294 19313 19317 19348 19447 19451 19472-19473 19475 19482-19483 19486 19488-19489 19491 19508 19510 19512-19514 19520 19568 19605 19639 19695 19706-19707 19738 19761 19767 19770-19771 19782-19783 19786-19787 19846-19847 19873-19875 20000 20011 20023 20025 20027 20037 20039 20043 20065-20067 20097 20101 20103 20105 20107 20180 20182-20183 20264-20266 20269 20276-20277 20279-20281 20284-20285 20287 20300-20302 20341-20343 20348-20350 20354-20355 20359 20379 20384 20403 20416-20417 20419 20421-20425 20427 20436-20437 20452-20453 25994 26000 26247 26280 26418 26577 26587 26589 26595 27002 27017 27095 27108 27207 27227 27348 27431 27471 27486 27690 27758 27836 27929 27967 28060 28083 28141 28160 28181 28225 28256 28258 28281 28305 28323 28325 28372 28508 28543 28607 28623 28633-28635 28645-28647 31399 31410 31724 32477 36763 36785 36788-36789 36791-36792 36797-36800 36802-36803 36812 36814-36815 36848 36850-36851 36860 36862-36863https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/244/36?format=asciiOpticaldefaultJ/ApJS/244/36/table1SDSS-IV/eBOSS quasar catalogPlateSpectroscopic plate numbermeta.id;instr.plateintFiberSpectroscopic fiber numbermeta.number;pos.parallax.spectinte_logL-SIIa[0.04/1.1]? Uncertainty of logLSIIa (1)log(1e-07W)stat.errorfloatnullableSimbadNameSimbad column added by the CDSmeta.idcharnullableNEDNED column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintzVI[0.008/7] Redshift, visual inspection taken from DR14Qsrc.redshift;pos.heliocentricfloatzOIII[0.03/0.9]? Redshift, [OIII] 5007{AA} based (1)src.redshift;pos.heliocentricfloatnullablezMgII[0.3/2.5]? Redshift, MgII 2799{AA} based (1)src.redshift;pos.heliocentricfloatnullablezCIV[1.5/5.1]? Redshift, CIV 1548{AA} based (1)src.redshift;pos.heliocentricfloatnullablelogL5100[39.9/46.2]? Monochromatic luminosity, power-law continuum fit at 5100{AA} in log erg/s units (1)log(1e-07W)phys.luminosity;spect.linefloatnullablelogL3000[41.7/47.5]? Monochromatic luminosity, power-law continuum fit at 3000{AA} in log erg/s units (1)log(1e-07W)phys.luminosity;spect.linefloatnullablelogL1350[43.8/47.5]? Monochromatic luminosity, power-law continuum fit at 1350{AA} in log erg/s units (1)log(1e-07W)phys.luminosity;spect.linefloatnullablelogMBH-Ha[3.8/9.6]? Virial BH mass, H{alpha} fit Eq. 5 (1)log(solMass)phys.massfloatnullableSpInteractive spectrum from SDSS-DR14meta.ref.urlcharlogMBH-Hb[6.4/9.8]? Virial BH mass, H{beta} fit Eq. 4 (1)log(solMass)phys.massfloatnullablelogMBH-MgII[6.5/10.5]? Virial BH mass, MgII fit Eq. 3 (1)log(solMass)phys.massfloatnullablelogMBH-CIV[7/10.6]? Virial BH mass, CIV fit Eq. 2 (1)log(solMass)phys.massfloatnullablelogMBH-Ha2[5/9.7]? Virial BH mass, H{alpha} fit Eq. 1 and new (a,b) (1)log(solMass)phys.massfloatnullablelogMBH-MgII2[6.7/10.1]? Virial BH mass, MgII fit Eq. 1 and new (a,b) (1)log(solMass)phys.massfloatnullablelogMBH-CIV2[7/10.6]? Virial BH mass, CIV fit Eq. 1 and new (a,b) (1)log(solMass)phys.massfloatnullablelogL-bHa[37.3/44.1]? Line luminosity of broad H{alpha}, in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.Halphafloatnullablee_logL-bHa[0.009/1]? Uncertainty of logLbHa (1)log(1e-07W)stat.errorfloatnullableEW-bHa[3.5/1019]? Rest-frame equivalent width of broad H{alpha}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-bHa[1.6/219.1]? Uncertainty of EWbHa (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-bHa[1094/13799]? FWHM of broad H{alpha} (1)km/sspect.line.widthintnullablelogL-nHa[39.4/43.2]? Line luminosity of narrow H{alpha} in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.Halphafloatnullablee_logL-nHa[0.01/1.1]? Uncertainty of logLnHa (1)log(1e-07W)stat.errorfloatnullableEW-nHa[0.9/827.4]? Rest-frame equivalent width of narrow H{alpha}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-nHa[0.5/37]? Uncertainty of EWnHa (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-nHa[198/1191]? FWHM of narrow H{alpha} (1)km/sspect.line.widthintnullablelogL-NIIa[39/42.7]? Line luminosity of [NII]6549{AA} in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullablee_logL-NIIa[0.07/13.3]? Uncertainty of logLNIIa (1)log(1e-07W)stat.errorfloatnullableEW-NIIa[0.3/40.2]? Rest-frame equivalent width of [NII] 6549A, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-NIIa[0.3/26.1]? Uncertainty of EWNIIa (1)0.1nmstat.error;spect.line.eqWidthfloatnullablelogL-NIIb[39.4/43.2]? Line luminosity of [NII]6585{AA}, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullablee_logL-NIIb[0.02/1.1]? Uncertainty of logLNIIb (1)log(1e-07W)stat.errorfloatnullableEW-NIIb[1/119.2]? Rest-frame equivalent width of [NII]6585{AA}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-NIIb[0.4/29.5]? Uncertainty of EWNIIb (1)0.1nmstat.error;spect.line.eqWidthfloatnullablelogL-SIIa[39.2/42.7]? Line luminosity of [SII] 6718{AA}, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullableEW-SIIa[0.3/69.5]? Rest-frame equivalent width of [SII]6718{AA}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-SIIa[0.2/21]? Uncertainty of EWSIIa (1)0.1nmstat.error;spect.line.eqWidthfloatnullablelogL-SIIb[39.1/42.6]? Line luminosity of [SII] 6732{AA}, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullablee_logL-SIIb[0.04/1.3]? Uncertainty of logLSIIb (1)log(1e-07W)stat.errorfloatnullableEW-SIIb[0.4/54.5]? Rest-frame equivalent width of [SII]6732{AA}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-SIIb[0.2/23.1]? Uncertainty of EWSIIb (1)0.1nmstat.error;spect.line.eqWidthfloatnullablech2-Ha[0.4/21.3]? Reduced {chi}^2 for H{alpha} emission line fits (1)meta.notefloatnullableNpix-Ha[210/264]? Number of good pixels, 6400-6800{AA} (1)meta.numberintnullableSN-Ha[2/81.7]? Median S/N per pixel, 6400-6800{AA} (1)stat.snrfloatnullablealpha-Ha[-3.6/6]? Power-law slope continuum fit in H{alpha} spectral region (1)spect.indexfloatnullablelogL-bHb[40.2/44.3]? Line luminosity of broad H{beta}, in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.Hbetafloatnullablee_logL-bHb[0.02/1.1]? Uncertainty of logLbHb (1)log(1e-07W)stat.errorfloatnullableEW-bHb[3.6/210.1]? Rest-frame equivalent width of broad H{beta}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-bHb[1.3/90.4]? Uncertainty of EWbHb (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-bHb[1098/15784]? FWHM of broad H{beta} (1)km/sspect.line.widthintnullablelogL-nHb[39/43.3]? Line luminosity of narrow H{beta}, in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.Hbetafloatnullablee_logL-nHb[0.02/1.3]? Uncertainty of logLnHb (1)log(1e-07W)stat.errorfloatnullableEW-nHb[0.2/177.2]? Rest-frame equivalent width of narrow H{beta}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-nHb[0.2/26]? Uncertainty of WnHb (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-nHb[197/1184]? FWHM of narrow H{beta} (1)km/sspect.line.widthintnullablelogL-OIIIa[37.8/43.6]? Line luminosity of [OIII]4959{AA}, in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.OIII;spect.linefloatnullablee_logL-OIIIa[0.02/31]? Uncertainty of logLOIIIa (1)log(1e-07W)stat.errorfloatnullableEW-OIIIa[0.1/746.4]? Rest-frame equivalent width of [OIII]4959{AA}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-OIIIa[0.3/86]? Uncertainty of WOIIIa (1)0.1nmstat.error;spect.line.eqWidthfloatnullablelogL-OIIIb[38.3/44.1]? Line luminosity of [OIII]5007{AA}, in log erg/s units (1)log(1e-07W)phys.luminosity;em.line.OIII;spect.linefloatnullablee_logL-OIIIb[0.01/1.4]? Uncertainty of logLOIIIb (1)log(1e-07W)stat.errorfloatnullableEW-OIIIb[0.5/2262]? Rest-frame equivalent width of [OIII]5007{AA}, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-OIIIb[0.3/60]? Uncertainty of WOIIIb (1)0.1nmstat.error;spect.line.eqWidthfloatnullablech2-Hb[0.4/20.7]? Reduced {chi}^2 for H{beta} emission line fits (1)meta.notefloatnullableNpix-Hb[226/355]? Number of good pixels, 4700-5100{AA} (1)meta.numberintnullableSN-Hb[2/80]? Median S/N per pixel, 4700-5100{AA} (1)stat.snrfloatnullablealpha-Hb[-5/5.4]? Power-law slope continuum fit in H{beta} spectral region (1)spect.indexfloatnullablelogL-bMgII[41/45.4]? Line luminosity of broad MgII, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullablee_logL-bMgII[0.03/1.1]? Uncertainty of logLbMgII (1)log(1e-07W)stat.errorfloatnullablelogLMgII[41.2/45.4]? Total luminosity of broad and narrow MgII, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullableEW-bMgII[1.2/316]? Rest-frame equivalent width of broad MgII, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-bMgII[0.9/160.3]? Uncertainty of WbMgII (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-bMgII[964/14866]? FWHM of broad MgII (1)km/sspect.line.widthintnullablech2-MgII[0.3/52.5]? Reduced {chi}^2 for MgII emission line fits (1)meta.notefloatnullableNpix-MgII[479/792]? Number of good pixels, 2500-3000{AA} (1)meta.numberintnullableSN-MgII[0/87.6]? Median S/N per pixel, 2500-3000{AA} (1)stat.snrfloatnullablealpha-MgII[-6.2/7.2]? Power-law slope continuum fit in MgII spectral region (1)spect.indexfloatnullablelogL-CIV[42.2/45.6]? Line luminosity of CIV, in log erg/s units (1)log(1e-07W)phys.luminosityfloatnullablee_logL-CIV[0.02/1.1]? Uncertainty of logLCIV (1)log(1e-07W)stat.errorfloatnullableEW-CIV[0.8/417.1]? Rest-frame equivalent width of CIV, Angstroms (1)0.1nmspect.line.eqWidthfloatnullablee_EW-CIV[0.5/214.3]? Uncertainty of EWCIV (1)0.1nmstat.error;spect.line.eqWidthfloatnullableFWHM-CIV[1094/16591]? FWHM of broad CIV (1)km/sspect.line.widthintnullablech2-CIV[0.3/348.5]? Reduced {chi}^2 for CIV emission line fits (1)meta.notefloatnullableNpix-CIV[229/562]? Number of good pixels, 1450-1650{AA} (1)meta.numberintnullableSN-CIV[0/67.2]? Median S/N per pixel, 1450-1650{AA} (1)stat.snrfloatnullablealpha-CIV[-10.4/7.4]? Power-law slope continuum fit in CIV spectral region (1)spect.indexfloatnullable_RAPositions from SDSS DR14 names (except for 524 not correctly written names taken from corresponding SDSS via plate-mjd-fiber) (right ascension part)degpos.eq.ra;meta.mainindexed_DEPositions from SDSS DR14 names (except for 524 not correctly written names taken from corresponding SDSS via plate-mjd-fiber) (declination part)degpos.eq.dec;meta.mainindexedMJDModified Julian Date (JD-2400000.5)dtime.epochintindexedSDSSSDSS DR14 (VII/286) designation (HHMMSS.ss+DDMMSs.s; J2000 -- except for 524 not correcly written objects)meta.id;meta.maincharindexed