ALL or J/ApJ/596/768 (density 6)
(c) Optical depths in 19 QSOs (Schaye+, 2003)
J/ApJ/599/116 (density 6)
(c) UV properties of absorbed quasars (Vestergaard+, 2003)
J/ApJ/683/L115 (density 6)
(c) Intermediate-line region in quasars (Hu+, 2008)
J/ApJ/687/78 (density 6)
(c) FeII emission in quasars (Hu+, 2008)
J/ApJ/701/1398 (density 6)
(c) SFR for starburst galaxies (Sargsyan+, 2009)
J/ApJ/711/928 (density 6)
(c) Low-redshift Ly{alpha} galaxies from GALEX (Cowie+, 2010)
J/ApJ/732/110 (density 6)
(c) SDSS 2175Å extinction bump candidates (Jiang+, 2011) spectrum
J/ApJ/747/10 (density 6)
(c) X-ray and multiwavelength properties of 11 WLQs (Wu+, 2012)
J/ApJ/754/38 (density 6)
(c) MgII absorption systems for Flat-Spectrum Radio QSOs (Chand+, 2012)
J/ApJ/761/112 (density 6)
(c) High-redshift MgII absorption QSOs with FIRE (Matejek+, 2012)
J/ApJ/765/137 (density 6)
(c) HST survey for Lyman limit systems. II. (O'Meara+, 2013) spectrum
J/ApJ/776/136 (density 6)
(c) QPQ VI. HI absorption of z~2 quasars (Prochaska+, 2013)
J/ApJ/794/156 (density 6)
(c) MgII/FeII absorption profile for 0.3<z<1.4 galaxies (Rubin+, 2014)
J/ApJ/815/91 (density 6)
(c) z<0.16 CIV absorbers from HST/COS QSOs spectra (Burchett+, 2015)
J/ApJ/815/128 (density 6)
(c) AGNs rest-frame UV and optical parameters (Karouzos+, 2015)
J/ApJ/817/55 (density 6)
(c) NIR spectroscopy of 1.5<z<3.5 broad-band QSOs (Shen, 2016) spectrum
J/ApJ/843/30 (density 6)
(c) MgII line vs 3000Å continuum analysis in 68 QSOs (Zhu+, 2017) spectrum
J/ApJ/844/171 (density 6)
(c) Ly{alpha} profile in 43 Green Pea galaxies (Yang+, 2017)
J/ApJ/847/81 (density 6)
(c) HeII photoionization rates of quasars (Schmidt+, 2017)
J/ApJ/857/126 (density 6)
(c) Quasars Probing Quasars. IX. (QPQ9) (Lau+, 2018)
ALL or J/ApJ/859/116 (density 6)
(c) BH masses and Eddington ratios of Type 2 QSOs (Kong+, 2018)
J/ApJ/860/41 (density 6)
(c) Spectral & environment properties of z~2 QSO pairs (Lusso+, 2018) spectrum
J/ApJ/862/50 (density 6)
(c) Origin of Metals around Galaxies. I. (Mas-Ribas+, 2018)
J/ApJ/871/258 (density 6)
(c) ELQS in SDSS. III. The full ELQS quasar catalog (Schindler+, 2019)
J/ApJ/872/21 (density 6)
(c) SDSS RM project: <10day CIV BAL variability (Hemler+, 2019)
J/ApJ/883/78 (density 6)
(c) Column densities of CGM absorption lines (Pointon+, 2019)
J/ApJ/887/196 (density 6)
(c) REQUIEM survey. I. Ly{alpha} halos around QSOs (Farina+, 2019)
J/ApJ/890/132 (density 6)
(c) MgII abs. toward SDSS QSOs with rotation measures (Malik+, 2020)
J/ApJ/904/44 (density 6)
(c) Evolution of CIV absorbers. I. Absorber properties (Hasan+, 2020)
J/ApJ/905/52 (density 6)
(c) Extreme variability QSOs from SDSS DR16 (Guo+, 2020) spectrum
J/ApJ/923/189 (density 6)
(c) 18 UV bright QSOs obs. with HST (COS-IGrM survey) (McCabe+, 2021)
J/ApJ/923/223 (density 6)
(c) VLT/X-SHOOTER & Keck/ESI spectra of z~5 QSOs (Zhu+, 2021)
J/ApJ/923/262 (density 6)
(c) NIR spectroscopic obs. of z>6.5 quasars (Yang+, 2021) spectrum
J/ApJ/928/172 (density 6)
(c) 3.5<z<5.0 SDSS quasars UV luminosity function (Pan+, 2022)
J/ApJ/933/87 (density 6)
(c) F125W and UV mag of 6.0<z<8.2 galaxies candidates (Jung+, 2022)
J/ApJ/938/16 (density 6)
(c) Characterizing extreme em. line gal. II. COS & LBT (Olivier+, 2022) spectrum
J/ApJ/948/35 (density 6)
(c) Abundances of optically thick Ly{alpha} absorbers (Saccardi+, 2023)
J/ApJ/950/95 (density 6)
(c) GNIRS-DQS: SDSS 1.5<z<3.5 QSOs with NIR sp. obs. (Matthews+, 2023)
J/ApJ/950/97 (density 6)
(c) A sample of Type 1 quasars with CIV & Hbeta data (Ha+, 2023)
J/ApJ/960/34 (density 6)
(c) Quasars from DESI SV data in the COSMOS/HSC fields (Zou+, 2024)
ALL or J/ApJ/963/7 (density 6)
(c) Extreme variability quasars. II. SDSS sp. fitting (Ren+, 2024)
J/ApJ/974/235 (density 6)
(c) Stripe 82X DR3 catalog: new sp. redshifts (LaMassa+, 2024)
J/ApJS/122/355 (density 6)
Properties of low z QSO absorption systems (Vanden Berk+, 1999)
J/ApJS/177/39 (density 6)
(c) Survey of low-redshift OVI absorbers (Tripp+, 2008)
J/ApJS/214/23 (density 6)
(c) IR spectra and photometry of z<0.5 quasars (Shi+, 2014) spectrum
J/ApJS/221/32 (density 6)
(c) Narrow MgII absorption lines from SDSS-DR9Q (Chen+, 2015) spectrum
J/ApJS/230/6 (density 6)
(c) HST -COS & -STIS absorption-line spectroscopy. II. (Keeney+, 2017)
J/ApJS/234/16 (density 6)
(c) H{alpha} & H{beta} spectral regions of low-z QSOs (Chen+, 2018) spectrum
J/ApJS/235/11 (density 6)
(c) Absorption features in SDSS. I. MgII abs. doublets (Chen+, 2018) spectrum
J/ApJS/236/39 (density 6)
(c) CIV narrow absorption line systems in SDSS-DR14 (Chen+, 2018) spectrum
J/ApJS/239/23 (density 6)
(c) CIV NAL systems from SDSS-DR14 quasar spectra (Chen+, 2018) spectrum
J/ApJS/240/6 (density 6)
(c) LAMOST Quasar Survey: Data Releases 4 and 5 (Yao+, 2019)
J/ApJS/242/28 (density 6)
(c) MgII-BAL quasar variability in SDSS spectra (Yi+, 2019)
J/ApJS/243/2 (density 6)
(c) SiIV and NV absorption line SDSS quasar systems (Chen+, 2019) spectrum
J/ApJS/243/5 (density 6)
(c) The ELQS in the PS1 footprint (PS-ELQS) (Schindler+, 2019)
J/ApJS/243/21 (density 6)
(c) A complete sample of broad-line AGN from SDSS-DR7 (Liu+, 2019) spectrum
spectrum/SED
J/ApJS/243/22 (density 6)
(c) CANDELS/SHARDS multiwavelength cat. in GOODS-N (Barro+, 2019)
J/ApJS/244/36 (density 6)
(c) QSO properties from SDSS. II. The first two years (Chen+, 2019) spectrum
J/ApJS/250/3 (density 6)
(c) Variable MgII NALs in SDSS DR14 (Chen+, 2020) spectrum
J/ApJS/258/38 (density 6)
(c) Iron template spectrum from Mrk493 HST/STIS obs. (Park+, 2022) spectrum
ALL or J/ApJS/259/18 (density 6)
SHELLQs. XVI. New quasars at 5.8<z<7 (Matsuoka+, 2022)
J/ApJS/261/32 (density 6)
(c) Finding GPQs. II. Sp. observations of |b|<20° QSOs (Fu+, 2022)
J/ApJS/265/46 (density 6)
(c) SDSS DR16Q QSO pairs with MgII abs. line analysis (Chen+, 2023) spectrum
J/ApJS/273/21 (density 6)
(c) The Plane Quasar Survey: DR1 (Werk+, 2024) spectrum/fits
J/ApJS/280/68 (density 6)
(c) SHELLQs. XXIV. Obscured quasar candidates (Matsuoka+, 2025)
J/A+A/505/1087 (density 6)
(c) DLAs in SDSS-DR7 (Noterdaeme+, 2009)
J/A+A/547/L1 (density 6)
(c) SDSS-III DR9 DLA catalogue (Noterdaeme+, 2012)
J/A+A/655/A109 (density 6)
(c) Chandra view of the LX-LUV relation in quasars (Bisogni+, 2021)
J/A+A/669/A135 (density 6)
(c) SDSS QSOs Al III and C III] emission lines (Buendia-Rios+, 2023)
J/AJ/136/181 (density 6)
Spectroscopy of PC 1643+4631A,B (Casey+, 2008) spectrum
(absolute spectra
J/AJ/143/145 (density 6)
(c) Emission-line objects from ALFALFA H{alpha} survey (Kellar+, 2012)
J/AJ/159/216 (density 6)
(c) Ions density in the CGM of low mass galaxy groups (Pointon+, 2020)
J/AJ/162/270 (density 6)
(c) VLA observation of 50 z~1.65 quasars (Richards+, 2021)
J/MNRAS/266/317 (density 6)
(c) Quasars in ESO/SERC field 927 (Clowes+, 1994)
J/MNRAS/371/495 (density 6)
(c) Catalogue of 1806 MgII absorbers from SDSS DR3 (Bouche+, 2006)
J/MNRAS/383/581 (density 6)
(c) Broad-line Balmer decrements in blue AGN (Dong+, 2008)
J/MNRAS/495/4707 (density 6)
(c) Carbon-loud SDSS BOSS type II quasars at z>2 (Silva+, 2020)
J/MNRAS/496/309 (density 6)
(c) Behaviour of the MgII 2798Å line in AGNs (Homan+, 2020)
J/MNRAS/499/5022 (density 6)
(c) MUSE Analysis of Gas around Galaxies II (Dutta+, 2020)
J/MNRAS/505/1954 (density 6)
(c) Properties and X-rays of RLQs and RQQs quasars (Zhu+, 2021)
ALL or J/MNRAS/511/572 (density 6)
(c) High-redshift Ultraluminous QSOs with SMSS DR3 (Onken+, 2022)
J/MNRAS/516/2162 (density 6)
(c) Lensing/SED-fit of 78 high-z RELICS galaxies (Neufeld+, 2022)
J/MNRAS/520/2781 (density 6)
(c) SOUX AGN sample with SDSS-XMM-Newton surveys (Kynoch+, 2023)
J/ApJ/613/129
(c) Equivalent widths of QSOs (Wise+, 2004)
J/ApJ/702/767
(c) CIV and FeK{alpha} Baldwin effects in AGNs (Wu+, 2009)
J/ApJ/708/868
(c) CIV candidates (Cooksey+, 2010)
J/ApJ/729/87
(c) SiIV absorption systems (Cooksey+, 2011)
J/ApJ/740/91
(c) Ly{alpha} and OVI in galaxies around quasars (Prochaska+, 2011)
J/ApJ/923/44
(c) Galaxy-absorber pairs for low-z QSO sightlines (Scott+, 2021)
J/ApJ/931/154
(c) High-quality UV & X-ray quasar spectral data (Rivera+, 2022)
J/A+A/370/426
UVES Spectrum of APM BR J0307-4945 (Dessauges-Zavadsky+, 2001)
J/MNRAS/502/4743
(c) Census of circumgalactic MgII at redshift z=<0.5 (Huang+, 2021)
J/MNRAS/518/5590
(c) New quasars Ca II absorbers with SDSS spectra (Fang+, 2023)
J/MNRAS/521/289
(c) XQR-30 quasars absorption systems properties (Davies+, 2023) spectrum/pdf
ALL or (c) indicates tables which contain celestial coordinates
