QSO B0636+68 , the SIMBAD biblio

QSO B0636+68 , the SIMBAD biblio (207 results) C.D.S. - SIMBAD4 rel 1.7 - 2020.10.27CET20:20:06

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Title First 3 Authors
2019ApJS..242....4D viz 19       D               1 9524 ~ Two new catalogs of blazar candidates in the WISE Infrared sky. D'ABRUSCO R., ALVAREZ CRESPO N., MASSARO F., et al.
2019ApJS..245....3G viz 19       D               1 146 ~ A search for intrinsic H I 21 cm and OH 18 cm absorption toward compact radio sources. GRASHA K., DARLING J., BOLATTO A., et al.
2019MNRAS.489.2536D 19       D               1 66 ~ Power spectrum of the flux in the Lyman-alpha forest from high-resolution spectra of 87 QSOs. DAY A., TYTLER D. and KAMBALUR B.
2018A&A...618A..80G viz 18       D               1 647 ~ Extragalactic radio source stability and VLBI celestial reference frame: insights from the Allan standard deviation. GATTANO C., LAMBERT S.B. and LE BAIL K.
2018ApJ...861..113D viz 18       D               1 581 4 Astrometric limits on the stochastic gravitational wave background. DARLING J., TRUEBENBACH A.E. and PAINE J.
2018ApJ...863..163N viz 108       D     X         3 24 ~ Long-term behavior of a Type IIP supernova SN 2004dj in the radio bands. NAYANA A.J., CHANDRA P. and RAY A.K.
2018ApJS..234...12L viz 18       D               2 437 9 MOJAVE. XV. VLBA 15 GHz total intensity and polarization maps of 437 parsec-scale AGN jets from 1996 to 2017. LISTER M.L., ALLER M.F., ALLER H.D., et al.
2018MNRAS.474.2871R 18       D               1 12 10 A new measurement of the intergalactic temperature at z ∼ 2.55-2.95. RORAI A., CARSWELL R.F., HAEHNELT M.G., et al.
2018MNRAS.481.1578A 45           X         1 115 ~ A Giant Metrewave Radio Telescope survey for associated H I 21 cm absorption in the Caltech-Jodrell flat-spectrum sample. ADITYA J.N.H.S. and KANEKAR N.
2017AJ....154..114O viz 17       D               8 298 12 The second data release of the KODIAQ survey. O'MEARA J.M., LEHNER N., HOWK J.C., et al.
2017ApJ...835L..30M viz 17       D               1 188 9 Astrometric evidence for a population of dislodged AGNs. MAKAROV V.V., FROUARD J., BERGHEA C.T., et al.
2017ApJ...841..113M viz 17       D               1 2943 1 An investigation of blazars without redshifts: not a missing population at high redshift. MAO P. and URRY C.M.
2017ApJ...851...33P viz 17       D               1 516 3 General physical properties of CGRaBS blazars. PALIYA V.S., MARCOTULLI L., AJELLO M., et al.
2017ApJS..228...22L viz 17       D               1 1528 1 Korean VLBI Network Calibrator Survey (KVNCS). 1. Source catalog of KVN single-dish flux density measurement in the K and Q bands. LEE J.A., SOHN B.W., JUNG T., et al.
2017ApJS..233....3T viz 17       D               1 721 6 The VLBA Extragalactic Proper Motion Catalog and a measurement of the secular aberration drift. TRUEBENBACH A.E. and DARLING J.
2017MNRAS.466.1567L viz 17       D               1 324 1 Test of source selection for constructing a more stable and uniform celestial reference frame. LIU N., LIU J.-C. and ZHU Z.
2017MNRAS.467.4565L viz 17       D               1 1193 4 Bimodal radio variability in OVRO-40 m-monitored blazars. LIODAKIS I., PAVLIDOU V., HOVATTA T., et al.
2017MNRAS.471.3775P 17       D               1 32 8 Observational consequences of optical band milliarcsec-scale structure in active galactic nuclei discovered by Gaia. PETROV L. and KOVALEV Y.Y.
2016A&A...595A...5M viz 17       D               1 2192 30 Gaia Data Release 1. Reference frame and optical properties of ICRF sources. MIGNARD F., KLIONER S., LINDEGREN L., et al.
2016AJ....151...79L viz 17       D               1 195 9 IVS observation of ICRF2-Gaia transfer sources. LE BAIL K., GIPSON J.M., GORDON D., et al.
2016ApJ...833..283L viz 102       D     X         3 30 20 The cosmic evolution of the metallicity distribution of ionized gas traced by Lyman limit systems. LEHNER N., O'MEARA J.M., HOWK J.C., et al.
2016ApJS..224...26M viz 17       D               1 2214 14 A comprehensive statistical description of radio-through-gamma-ray spectral energy distributions of all known blazars. MAO P., URRY C.M., MASSARO F., et al.
2016MNRAS.456.3509K viz 17       D               2 20 1 Evidence of bimodal physical properties of intervening, optically thin C III absorbers at z ∼ 2.5. KIM T.-S., CARSWELL R.F. and RANQUIST D.
2016MNRAS.457.2005K 60       D     X         2 22 5 Triple-ionized carbon associated with the low-density neutral hydrogen gas at 1.7 < z < 3.3: the integrated N H I-N C iv relation. KIM T.-S., CARSWELL R.F., MONGARDI C., et al.
2016MNRAS.462.1775B 17       D               1 76 24 RoboPol: do optical polarization rotations occur in all blazars? BLINOV D., PAVLIDOU V., PAPADAKIS I., et al.
2016MNRAS.463.3365A 17       D               2 187 29 RoboPol: the optical polarization of gamma-ray-loud and gamma-ray-quiet blazars. ANGELAKIS E., HOVATTA T., BLINOV D., et al.
2015AJ....150...58F viz 17       D               1 3421 104 The second realization of the international celestial reference frame by very long baseline interferometry. FEY A.L., GORDON D., JACOBS C.S., et al.
2015Ap&SS.357...75M viz 17       D               1 3561 75 The 5th edition of the Roma-BZCAT. A short presentation. MASSARO E., MASELLI A., LETO C., et al.
2015Ap.....58...14L 17       D               1 9 ~ New limit on the spatial and temporal variations of the fine-structure constant using high redshifts of quasar spectra. LE T.D.
2015ApJS..218....7B 144       D     X C       3 11 23 Properties of QSo metal-line absorption systems at high redshifts: nature and evolution of the absorbers and new evidence on escape of ionizing radiation from galaxies. BOKSENBERG A. and SARGENT W.L.W.
2015MNRAS.450.3568X viz 17       D               1 473 7 Basic properties of Fermi blazars and the `blazar sequence'. XIONG D., ZHANG X., BAI J., et al.
2014MNRAS.438..463O 16       D               1 66 18 Physical properties of young radio sources: VLBA observations of high-frequency peaking radio sources. ORIENTI M. and DALLACASA D.
2014MNRAS.438.3058R viz 16       D               1 1414 25 Connecting radio variability to the characteristics of gamma-ray blazars. RICHARDS J.L., HOVATTA T., MAX-MOERBECK W., et al.
2014MNRAS.439..690H viz 16       D               1 1316 31 Connection between optical and γ-ray variability in blazars. HOVATTA T., PAVLIDOU V., KING O.G., et al.
2013A&A...552A..98T viz 97       D     X         3 73 14 Optical monitoring of extragalactic sources for linking the ICRF and the future Gaia celestial reference frame. I. Variability of ICRF sources. TARIS F., ANDREI A., KLOTZ A., et al.
2013A&A...556A..97C 42           X         1 17 23 Towards equation of state of dark energy from quasar monitoring: reverberation strategy. CZERNY B., HRYNIEWICZ K., MAITY I., et al.
2013ApJ...764....9M viz 16       D               1 231 12 Mg II absorption at 2 < z < 6 with Magellan/FIRE. II. A longitudinal study of H I, metals, and ionization in galactic halos. MATEJEK M.S., SIMCOE R.A., COOKSEY K.L., et al.
2012A&A...544A..25M viz 177       D   O X C       4 134 15 Multifrequency study of GHz-peaked spectrum sources and candidates with the RATAN-600 radio telescope. MINGALIEV M.G., SOTNIKOVA Yu.V., TORNIAINEN I., et al.
2012A&A...544A..34P viz 16       D               1 370 46 Single-epoch VLBI imaging study of bright active galactic nuclei at 2 GHz and 8 GHz. PUSHKAREV A.B. and KOVALEV Y.Y.
2012ApJ...754...38C viz 40           X         1 118 9 Incidence of Mg II absorption systems toward flat-spectrum radio quasars. CHAND H. and GOPAL-KRISHNA
2012MNRAS.422.3370K viz 17       D               1 127 155 Spatial variation in the fine-structure constant - new results from VLT/UVES. KING J.A., WEBB J.K., MURPHY M.T., et al.
2011A&A...529A..91T viz 16       D               1 563 60 VLBI measurement of the secular aberration drift. TITOV O., LAMBERT S.B. and GONTIER A.-M.
2011ApJS..194...29R viz 16       D               1 1164 227 Blazars in the Fermi era: the OVRO 40 m telescope monitoring program. RICHARDS J.L., MAX-MOERBECK W., PAVLIDOU V., et al.
2011JApA...32..281C 16       D               1 52 1 Variability of GPS radio sources at 5 GHz. CUI L., LIU X. and LIU J.
2011MNRAS.410.1096B 17       D               1 61 177 Detection of extended He II reionization in the temperature evolution of the intergalactic medium. BECKER G.D., BOLTON J.S., HAEHNELT M.G., et al.
2011MNRAS.411..826T 16       D               1 33 38 Cosmic evolution of the C IV in high-resolution hydrodynamic simulations. TESCARI E., VIEL M., D'ODORICO V., et al.
2011MNRAS.415.3049O 492       D S   X   F     11 13 11 Multifrequency polarization properties of 10 quasars on decaparsec scales at z > 3. O'SULLIVAN S.P., GABUZDA D.C. and GURVITS L.I.
2010A&A...510A..10A viz 16       D               1 172 5 Optical counterpart positions of extragalactic radio sources and connecting optical and radio reference frames. ASLAN Z., GUMEROV R., JIN W., et al.
2010A&A...511A..53V viz 16       D               1 107466 32 The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. VOLLMER B., GASSMANN B., DERRIERE S., et al.
2010A&A...518A..10V viz 16       D               1 168913 373 A catalogue of quasars and active nuclei: 13th edition. VERON-CETTY M.-P. and VERON P.
2010A&A...519A..62K 16       D               1 126 13 Tracing the merger-driven evolution of active galaxies using the CJF sample. KAROUZOS M., BRITZEN S., ECKART A., et al.
2010Ap.....53..446T 39           X         1 9 0 Constraining the cosmological time variation of the fine-structure constant. THONG L.D., HUNG T.V., NGUYEN T.T.H., et al.
2010JApA...31...59A 20 1 Determination of the mean HI absorption of the intergalactic medium. AGHAEE A., PETITJEAN P., SRIANAND R., et al.
2010MNRAS.401.2715D viz 16       D               1 33 46 The rise of the C IV mass density at z < 2.5. D'ODORICO V., CALURA F., CRISTIANI S., et al.
2009A&A...493..317L viz 16       D               267 13 On radio source selection to define a stable celestial frame. LAMBERT S.B. and GONTIER A.-M.
2009A&A...495..691M viz 16       D               2 3203 187 Roma-BZCAT: a multifrequency catalogue of blazars. MASSARO E., GIOMMI P., LETO C., et al.
2009A&A...505..385A viz 16       D               1 99837 26 The large quasar reference frame (LQRF). An optical representation of the ICRS. ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al.
2009AN....330..145L 46 2 Structure, spectra and variability of some GPS radio sources. LIU X., SONG H.-G. and CUI L.
2009ARep...53..310T 16       D               1 74 1 Study of compact radio sources using interplanetary scintillations at 111 MHz. Strong gigahertz-peaked spectrum sources. TYUL'BASHEV S.A. and CHERNIKOV P.A.
2009MmSAI..80..833M viz 16       D               1 77 7 Keck constraints on a varying fine-structure constant: wavelength calibration errors. MURPHY M.T., WEBB J.K. and FLAMBAUM V.
2009RvMP...81.1405M 58       D     X         2 18 136 The physics of the intergalactic medium. MEIKSIN A.A.
2008A&A...479..409O 93       D     X         3 50 11 Constraining the nature of high frequency peakers. II. Polarization properties. ORIENTI M. and DALLACASA D.
2008A&A...482..483T viz         O           207 8 Cluster analyses of gigahertz-peaked spectrum sources with self-organising maps. TORNIAINEN I., TORNIKOSKI M., TURUNEN M., et al.
2008A&A...484..119B viz 77             C       1 106 41 A multi-epoch VLBI survey of the kinematics of CFJ sources. II. Analysis of the kinematics. BRITZEN S., VERMEULEN R.C., CAMPBELL R.M., et al.
2008A&A...489...49V viz 15       D               220 9 Quasi-simultaneous multi-frequency observations of inverted-spectrum GPS candidate sources. VOLLMER B., KRICHBAUM T.P., ANGELAKIS E., et al.
2008A&A...490..403B 15       D               3 71 23 Astrometric suitability of optically-bright ICRF sources for the alignment with the future Gaia celestial reference frame. BOURDA G., CHARLOT P. and LE CAMPION J.-F.
2008ApJ...677..863M 22 20 Exploratory study of the X-ray properties of quasars with intrinsic narrow absorption lines. MISAWA T., ERACLEOUS M., CHARTAS G., et al.
2008ApJS..175...97H viz 15       D               1 1626 135 CGRaBS: an all-sky survey of gamma-ray blazar candidates. HEALEY S.E., ROMANI R.W., COTTER G., et al.
2007A&A...463...97L viz         O           185 32 GPS radio sources: new optical observations and an updated master list. LABIANO A., BARTHEL P.D., O'DEA C.P., et al.
2007A&A...472..763B viz 15       D               289 19 A multi-epoch VLBI survey of the kinematics of CJF sources. I. Model-fit parameters and maps. BRITZEN S., VERMEULEN R.C., TAYLOR G.B., et al.
2007A&A...475..813O         O           53 31 Constraining the nature of high frequency peakers. The spectral variability. ORIENTI M., DALLACASA D. and STANGHELLINI C.
2007A&A...476..759B viz 15       D               297 24 The soft X-ray properties of AGN from the CJF sample. A correlation analysis between soft X-ray and VLBI properties. BRITZEN S., BRINKMANN W., CAMPBELL R.M., et al.
2007AJ....134.1634M 41 13 Spectroscopic analysis of H I absorption-line systems in 40 HIRES quasars. MISAWA T., TYTLER D., IYE M., et al.
2007ApJ...659..997K 5 20 210 Reverberation mapping of high-luminosity quasars: first results. KASPI S., BRANDT W.N., MAOZ D., et al.
2007ApJ...662...72B viz 16       D               55 180 The evolution of optical depth in the Lyα forest: evidence against reionization at z∼6. BECKER G.D., RAUCH M. and SARGENT W.L.W.
2007ApJS..171....1M viz 38 54 A census of intrinsic narrow absorption lines in the spectra of quasars at z = 2-4. MISAWA T., CHARLTON J.C., ERACLEOUS M., et al.
2007RvMP...79.1349S 17 13 Nobel Lecture: Cosmic microwave background radiation anisotropies: Their discovery and utilization. SMOOT G.F.
2006A&A...450..959O viz 58 33 VLBA images of high frequency peakers. ORIENTI M., DALLACASA D., TINTI S., et al.
2006A&A...452.1107F         O           272 16 Analysis strategy issues for the maintenance of the ICRF axes. FEISSEL-VERNIER M., MA C., GONTIER A.-M., et al.
2006A&A...455..773V viz 108222 545 A catalogue of quasars and active nuclei: 12th edition. VERON-CETTY M.-P. and VERON P.
2006AJ....131...24S 1 6 20 The properties of intergalactic C IV absorption. II. Which systems are associated with galaxy outflows? SONGAILA A.
2006ApJ...636...30K 1 14 43 A Fabry-Perot imaging search for Lyα emission in quasar absorbers at z ∼ 2.4. KULKARNI V.P., WOODGATE B.E., YORK D.G., et al.
2006ApJ...646..730J 77 52 The UCSD radio-selected quasar survey for damped Lyα systems. JORGENSON R.A., WOLFE A.M., PROCHASKA J.X., et al.
2006MNRAS.369..734Z 31 20 The matter power spectrum from the Lyα forest: an optical depth estimate. ZAROUBI S., VIEL M., NUSSER A., et al.
2006MNRAS.371..915D 19 4 Statistical characteristics of the observed Lyα forest and the shape of the initial power spectrum. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.I.
2005A&A...432...31T 47 53 High Frequency Peakers: Young radio sources or flaring blazars? TINTI S., DALLACASA D., DE ZOTTI G., et al.
2005AJ....130.1996S 1 26 54 The properties of intergalactic C IV and Si IV absorption. I. Optimal analysis of an extremely high signal-to-noise quasar sample. SONGAILA A.
2005ApJ...623L.109M 3 7 51 Radio emission associated with the ultraluminous X-ray source in Holmberg II. MILLER N.A., MUSHOTZKY R.F. and NEFF S.G.
2005ApJ...626...95S viz 15       D               1 775 57 A northern survey of gamma-ray blazar candidates. SOWARDS-EMMERD D., ROMANI R.W., MICHELSON P.F., et al.
2004AJ....127.2598S 1 51 150 The evolution of the intergalactic medium transmission to redshift 6. SONGAILA A.
2004ARep...48..941T viz 643 7 Construction of a celestial coordinate reference frame from VLBI data. TITOV O.A.
2004ApJ...612..706A 1 6 15 Measuring the radiative histories of high-redshift QSOs with the transverse proximity effect. ADELBERGER K.L.
2004ApJ...614..607O viz 190 12 Milliarcsecond structure of microarcsecond sources: comparison of scintillating and nonscintillating extragalactic radio sources. OJHA R., FEY A.L., JAUNCEY D.L., et al.
2004MNRAS.354..183D 6 3 Physical state of the intergalactic medium at redshifts z= 2-4. DEMIANSKI M. and DOROSHKEVICH A.G.
2003A&A...403..105F         O           362 48 Selecting stable extragalactic compact radio sources from the permanent astrogeodetic VLBI program. FEISSEL-VERNIER M.
2003A&A...411L..59E viz 1014 40 High-energy sources before INTEGRAL. INTEGRAL reference catalog. EBISAWA K., BOURBAN G., BODAGHEE A., et al.
2003A&A...412..707R viz 3412 11 A catalogue of absorption-line systems in QSO spectra. RYABINKOV A.I., KAMINKER A.D. and VARSHALOVICH D.A.
2003ApJ...597...81D 11 14 Observational estimates of the initial power spectrum at small scale from Lyα absorbers. DEMIANSKI M. and DOROSHKEVICH A.
2003MNRAS.340..525D 16 9 Statistical characteristics of the observed Ly-α forest and the shape of initial power spectrum. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
2003MNRAS.343.1110J 30 15 Power spectrum and intermittency of the transmitted flux from the Lyman α absorption spectra of quasi-stellar objects. JAMKHEDKAR P., FENG L.-L., ZHENG W., et al.
2003MNRAS.345..609M viz 1 171 375 Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra. MURPHY M.T., WEBB J.K. and FLAMBAUM V.V.
2003MNRAS.346.1103P viz 769 169 The evolution of ΩHIand the epoch of formation of damped Lyman α absorbers. PEROUX C., McMAHON R.G., STORRIE-LOMBARDI L.J., et al.
2002ApJ...565...63I 54 42 Fe II/Mg II emission-line ratios of QSOs within 0 < z < 5.3. IWAMURO F., MOTOHARA K., MAIHARA T., et al.
2002ApJ...581...20C 28 6 341 Toward a precise measurement of matter clustering: Lyα forest data at redshifts 2-4. CROFT R.A.C., WEINBERG D.H., BOLTE M., et al.
2002MNRAS.329..135S 2 14 62 Physical conditions in quasi-stellar object absorbers from fine-structure absorption lines. SILVA A.I. and VIEGAS S.M.
2002MNRAS.332..367T 2 13 66 Temperature fluctuations in the intergalactic medium. THEUNS T., ZAROUBI S., KIM T.-S., et al.
2001A&A...373..757K viz 2         O           12 106 The Lyα forest at 1.5 < z < 4. KIM T.-S., CRISTIANI S. and D'ODORICO S.
2001A&A...375..661G viz 264 23 Stability of the extragalactic VLBI reference frame. GONTIER A.-M., LE BAIL K., FEISSEL M., et al.
2001AJ....121.1741F 393 14 Extragalactic radio source selection for use in directly linking optical astrometric observations to the radio reference frame. FEY A.L., BOBOLTZ D.A., GAUME R.A., et al.
2001ApJ...547..635R 146 20 Quasar absorption lines as a function of quasar orientation measures. RICHARDS G.T., LAURENT-MUEHLEISEN S.A., BECKER R.H., et al.
2001ApJS..133....1U viz 1481 70 The ASCA medium sensitivity survey (the GIS catalog project): source catalog. UEDA Y., ISHISAKI Y., TAKAHASHI T., et al.
2001ApJS..136..225K 55 32 A search for signatures of quasar evolution: comparison of the shapes of the rest-frame Optical/Ultraviolet continua of quasars at z>3 and z∼0.1. KUHN O., ELVIS M., BECHTOLD J., et al.
2001KFNT...17c.223N 10 ~ On the metal enrichment of L-alpha clouds. NYKYTYUK T.V.
2001MNRAS.327..296M 1 7 39 Hydrodynamical simulations of the Lyα forest: data comparisons. MEIKSIN A., BRYAN G. and MACHACEK M.
2000A&A...363..887D viz 103 110 High frequency peakers. I. The bright sample. DALLACASA D., STANGHELLINI C., CENTONZA M., et al.
2000ApJ...534...41R 2 21 186 The evolution of the effective equation of state of the intergalactic medium. RICOTTI M., GNEDIN N.Y. and SHULL J.M.
2000ApJ...543..417G 96 33 Restoration of the ASCA source position accuracy. GOTTHELF E.V., UEDA Y., FUJIMOTO R., et al.
2000ApJ...543..552S viz 727 217 Surveys for z>3 damped Lyα absorption systems: the evolution of neutral gas. STORRIE-LOMBARDI L.J. and WOLFE A.M.
2000ApJS..130...67S 103 138 A uniform analysis of the Lyα forest at z=0-5. II. Measuring the mean intensity of the extragalactic ionizing background using the proximity effect. SCOTT J., BECHTOLD J., DOBRZYCKI A., et al.
2000MNRAS.314L..17M 4 12 170 Narrow-line Seyfert 1 galaxies and the evolution of galaxies and active galaxies. MATHUR S.
2000MNRAS.318.1177D 14 6 Redshift distribution of Lyα lines and metal systems. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
2000MNRAS.318.1189D 14 2 Properties of the observed Lyα forest. DEMIANSKI M., DOROSHKEVICH A.G. and TURCHANINOV V.
2000NewAR..44..469M 15 20 New insights into the narrow-line Seyfert 1 phenomenon. MATHUR S.
1999A&A...342..378G viz 316 96 The "angular size - redshift" relation for compact radio structures in quasars and radio galaxies. GURVITS L.I., KELLERMANN K.I. and FREY S.
1999A&A...343..439I 1 9 31 The fine-structure constant: a new observational limit on its cosmological variation and some theoretical consequences. IVANCHIK A.V., POTEKHIN A.Y. and VARSHALOVICH D.A.
1999A&AS..135..273M viz 161 26 Gigahertz Peaked Spectrum sources from the Jodrell Bank-VLA Astrometric Survey I. Sources in the region 35°≤δ≤75°. MARECKI A., FALCKE H., NIEZGODA J., et al.
1999AJ....118.2511Z 330 21 Accurate optical positions of extragalactic radio reference frame sources. ZACHARIAS N., ZACHARIAS M.I., HALL D.M., et al.
1999ApJ...515..487T 13 31 Lack of iron abundance evolution in high-redshift QSOs. THOMPSON K.L., HILL G.J. and ELSTON R.
1999ApJ...517..541H 2 6 39 The b distribution and the velocity structure of absorption peaks in the Lyα forest. HUI L. and RUTLEDGE R.E.
1999ApJ...518L..65B 1 20 94 350 micron dust emission from high-redshift objects. BENFORD D.J., COX P., OMONT A., et al.
1999ApJS..123..377N viz 2246 18 Catalog of four-color photometry of stars, galaxies, and QSOs using SDSS filters. NEWBERG H.J., RICHARDS G.T., RICHMOND M., et al.
1999MNRAS.307..802C 197 55 Correlation between radio and broad-line emission in radio-loud quasars. CAO X. and JIANG D.R.
1999MNRAS.309..576A 14 0 The power spectrum of the Lyman-α clouds. AMENDOLA L. and SAVAGLIO S.
1999NewAR..43..681T 11 7 VSOP/global VLBI observations of 2021+614 : detection of hotspot advance. TSCHAGER W., SCHILIZZI R.T., SNELLEN I.A.G., et al.
1998AJ....115.2184S 2 15 121 The redshift evolution of the metagalactic ionizing flux inferred from metal line ratios in the Lyman forest. SONGAILA A.
1998AJ....115.2237M 110 T K                 12 15 Near-infrared spectroscopy of the high-redshift quasar
S4 0636+68 at z = 3.2.
1998AJ....116..516M viz 609 464 The International Celestial Reference Frame as realized by very long baseline interferometry. MA C., ARIAS E.F., EUBANKS T.M., et al.
1998ApJ...492...79F 24 70 X-ray spectral survey of WGACAT quasars. I. Spectral evolution and low-energy cutoffs. FIORE F., ELVIS M., GIOMMI P., et al.
1998ApJ...492...91E 13 31 X-ray spectral survey of WGACAT quasars. II. Optical and radio properties of quasars with low-energy X-ray cutoffs. ELVIS M., FIORE F., GIOMMI P., et al.
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