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| 7C 172226.89+400715.00 , the SIMBAD biblio (106 results) | C.D.S. - SIMBAD4 rel 1.8 - 2026.10.19CEST10:36:09 |
| Bibcode/DOI | Score |
in Title|Abstract| Keywords |
in a table | in teXt, Caption, ... | Nb occurence | Nb objects in ref |
Citations (from ADS) |
Title | First 3 Authors |
|---|---|---|---|---|---|---|---|---|---|
| 1978AJ.....83..451P | 489 | 164 | The 5-GHz strong source surveys. IV. Survey of the area between declination 35 and 70deg and summary of source counts, spectra and optical identifications. | PAULINY-TOTH I.I.K., WITZEL A., PREUSS E., et al. | |||||
| 1981A&AS...43..381K | 171 | 79 | Westerbork observations of radio sources in the 5GHz "S4" survey. | KAPAHI V.K. | |||||
| 1983PASP...95..842S | 285 | 74 | 10.8-GHz flux density variations among a complete sample of sources from the NRAO-Bonn S4 survey. | SEIELSTAD G.A., PEARSON T.J. and READHEAD A.C.S. | |||||
|
1991ApJS...75..801G |
90 | 36 | The fourth MIT-Green Bank 5 GHz survey. | GRIFFITH M., LANGSTON G., HEFLIN M., et al. | |||||
|
1992MNRAS.254..655P |
845 | 335 | Interferometer phase calibration sources - I. The region 35deg ≤ Dec. ≤ 75deg. | PATNAIK A.R., BROWNE I.W.A., WILKINSON P.N., et al. | |||||
|
1994A&AS..103..349S |
272 | 56 | An update of the optical identification status of the S4 radio source catalogue | STICKEL M. and KUEHR H. | |||||
|
1994ApJS...95..345T |
193 | 124 | The second Caltech-Jodrell bank VLBI survey. I. Observations of 91 of 193 sources. | TAYLOR G.B., VERMEULEN R.C., PEARSON T.J., et al. | |||||
|
1995A&AS..109..147B |
629 | 94 | The ROSAT AGN content of the 87GB 5 GHz survey: bulk properties of previously optically identified sources. | BRINKMANN W., SIEBERT J., REICH W., et al. | |||||
|
1995ApJS..100....1H |
102 | 88 | The second Caltech-Jodrell bank VLBI survey. II. Observations of 102 of 193 sources. | HENSTOCK D.R., BROWNE I.W.A., WILKINSON P.N., et al. | |||||
| 1996AJ....111.1013V | 24 | 31 | Redshifts for superluminal candidates. II. | VERMEULEN R.C., TAYLOR G.B., READHEAD A.C.S., et al. | |||||
| 1996ApJS..107...37T | 291 | 139 | A complete flux-density-limited VLBI survey of 293 flat-spectrum radio sources. | TAYLOR G.B., VERMEULEN R.C., READHEAD A.C.S., et al. | |||||
| 1997MNRAS.290..380H | 101 | 35 | Redshifts for flat-spectrum radio sources in the second Caltech-Jodrell Bank VLBI sample. | HENSTOCK D.R., BROWNE I.W.A., WILKINSON P.N., et al. | |||||
|
1999A&A...342..378G |
316 | 153 | The "angular size - redshift" relation for compact radio structures in quasars and radio galaxies. | GURVITS L.I., KELLERMANN K.I. and FREY S. | |||||
|
1999A&AS..139..545K |
551 | 105 | Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic objects with declinations from -30° to +43°. | KOVALEV Y.Y., NIZHELSKY N.A., KOVALEV Y.A., et al. | |||||
|
2000A&A...363..141R |
752 | 25 | Radio-loud active galaxies in the northern ROSAT All-Sky Survey. IV. Properties of sources stronger than 100 mJy at 5 GHz. | REICH W., FUERST E., REICH P., et al. | |||||
| 2000A&ARv..10...81V | 121 | 73 | The emission line spectrum of active galactic nuclei and the unifying scheme. | VERON-CETTY M.-P. and VERON P. | |||||
| 2002ApJ...570L..13C | 23 | 25 | Evidence for the evolutionary sequence of blazars: different types of accretion flows in BL Lacertae objects. | CAO X. | |||||
|
2002ApJS..141...13B |
1501 | 304 | The VLBA calibrator Survey–VCS1. | BEASLEY A.J., GORDON D., PECK A.B., et al. | |||||
|
2002MNRAS.329..700S |
1287 | 23 | Automated optical identification of a large complete northern hemisphere sample of flat-spectrum radio sources with S6cm>200mJy. | SNELLEN I.A.G., McMAHON R.G., HOOK I.M., et al. | |||||
|
2003ApJ...589..733P |
180 | 55 | VLBI polarimetry of 177 sources from the Caltech-Jodrell Bank flat-spectrum survey. | POLLACK L.K., TAYLOR G.B. and ZAVALA R.T. | |||||
|
2003MNRAS.341....1M |
15 | D | 1 | 10126 | 328 | The Cosmic Lens All-Sky Survey - I. Source selection and observations. | MYERS S.T., JACKSON N.J., BROWNE I.W.A., et al. | ||
|
2005A&A...440..409T |
226 | 76 | 24 year monitoring of extragalactic sources at 22 and 37 GHz. | TERAESRANTA H., WIREN S., KOIVISTO P., et al. | |||||
|
2006A&A...455..773V |
108223 | 628 | A catalogue of quasars and active nuclei: 12th edition. | VERON-CETTY M.-P. and VERON P. | |||||
|
2007A&A...466...63W |
15 | D | 173 | 29 | VLBI observations of seven BL Lacertae objects from RGB sample. | WU Z., JIANG D.R., GU M., et al. | |||
|
2007A&A...472..763B |
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. | |||
|
2007ApJ...667..673G |
15 | D | 1 | 159 | 133 | The FIRST-2MASS Red Quasar Survey. | GLIKMAN E., HELFAND D.J., WHITE R.L., et al. | ||
|
2007A&A...476..759B |
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. | |||
|
2009A&A...495..691M |
15 | D | 2 | 3199 | 339 | Roma-BZCAT: a multifrequency catalogue of blazars. | MASSARO E., GIOMMI P., LETO C., et al. | ||
|
2009A&A...505..385A |
15 | D | 1 | 99836 | 35 | The large quasar reference frame (LQRF). An optical representation of the ICRS. | ANDREI A.H., SOUCHAY J., ZACHARIAS N., et al. | ||
|
2010A&A...511A..53V |
15 | D | 1 | 107473 | 39 | The SPECFIND V2.0 catalogue of radio cross-identifications and spectra. SPECFIND meets the Virtual Observatory. | VOLLMER B., GASSMANN B., DERRIERE S., et al. | ||
|
2010ApJ...715..429A |
15 | D | 1 | 812 | 471 | The first catalog of active galactic nuclei detected by the Fermi Large Area Telescope. | ABDO A.A., ACKERMANN M., AJELLO M., et al. | ||
|
2010ApJS..188..405A |
15 | D | 1 | 1513 | 938 | Fermi Large Area Telescope First Source Catalog. | ABDO A.A., ACKERMANN M., AJELLO M., et al. | ||
|
2010A&A...518A..10V |
15 | D | 1 | 168913 | 597 | A catalogue of quasars and active nuclei: 13th edition. | VERON-CETTY M.-P. and VERON P. | ||
|
2010ApJ...722L...7P |
15 | D | 1 | 183 | 92 | Radio/Gamma-ray time delay in the parsec-scale cores of active galactic nuclei. | PUSHKAREV A.B., KOVALEV Y.Y. and LISTER M.L. | ||
|
2011ApJ...726...16L |
91 | D | X | 3 | 105 | 46 | Characteristics of gamma-ray loud blazars in the VLBA imaging and polarimetry survey. | LINFORD J.D., TAYLOR G.B., ROMANI R.W., et al. | |
| 2011ApJ...727..129A | 49 | X | 1 | 9 | 201 | Insights into the high-energy γ-ray emission of Markarian 501 from extensive multifrequency observations in the Fermi era. | ABDO A.A., ACKERMANN M., AJELLO M., et al. | ||
| 2011ApJ...729....2A | 43 | X | 1 | 7 | 70 | Spectral energy distribution of Markarian 501: quiescent state versus extreme outburst. | ACCIARI V.A., ARLEN T., AUNE T., et al. | ||
| 2011A&A...529A..16K | 15 | D | 1 | 72 | 9 | γ-rays in flat-spectrum AGN: revisiting the fast jet hypothesis with the CJF sample. | KAROUZOS M., BRITZEN S., WITZEL A., et al. | ||
|
2011NewA...16..503M |
15 | D | 1 | 803 | 14 | 2MASS observation of BL Lac objects II. | MAO L.S. | ||
| 2009RAA.....9..168W | 15 | D | 1 | 171 | 19 | The debeamed luminosity, sychrotron peak frequency and black hole mass of BL Lac objects. | WU Z.-Z., GU M.-F. and JIANG D.-R. | ||
|
2011ApJ...741...30A |
15 | D | 1 | 600 | 101 | The radio/gamma-ray connection in active galactic nuclei in the era of the Fermi Large Area Telescope. | ACKERMANN M., AJELLO M., ALLAFORT A., et al. | ||
|
2011A&A...535A..69N |
15 | D | 1 | 250 | 21 | Correlation between Fermi/LAT gamma-ray and 37 GHz radio properties of northern AGN averaged over 11 months. | NIEPPOLA E., TORNIKOSKI M., VALTAOJA E., et al. | ||
|
2011ApJ...743..171A |
15 | D | 1 | 977 | 589 | The second catalog of active galactic nuclei detected by the Fermi large area telescope. | ACKERMANN M., AJELLO M., ALLAFORT A., et al. | ||
|
2012ApJ...744..177L |
92 | D | X | 3 | 237 | 41 | Contemporaneous VLBA 5 GHz observations of Large Area Telescope detected blazars. | LINFORD J.D., TAYLOR G.B., ROMANI R.W., et al. | |
|
2012ApJ...748...68D |
15 | D | 2 | 297 | 86 | Infrared colors of the gamma-ray-detected blazars. | D'ABRUSCO R., MASSARO F., AJELLO M., et al. | ||
|
2012ApJS..199...31N |
15 | D | 1 | 2260 | 1282 | Fermi Large Area Telescope second source catalog. | NOLAN P.L., ABDO A.A., ACKERMANN M., et al. | ||
|
2012MNRAS.424.2832L |
15 | D | 1 | 1877 | 43 | Application of the Gaussian mixture model in pulsar astronomy – pulsar classification and candidates ranking for the Fermi 2FGL catalogue. | LEE K.J., GUILLEMOT L., YUE Y.L., et al. | ||
|
2012ApJ...757...25L |
15 | D | 2 | 231 | 7 | Gamma-ray loudness, synchrotron peak frequency, and parsec-scale properties of blazars detected by the Fermi Large Area Telescope. | LINFORD J.D., TAYLOR G.B. and SCHINZEL F.K. | ||
|
2012ApJ...757...51G |
15 | D | 1 | 398 | 129 | FIRST-2MASS red quasars: transitional objects emerging from the dust. | GLIKMAN E., URRUTIA T., LACY M., et al. | ||
|
2013ApJS..206...12D |
15 | D | 3 | 695 | 65 | Unveiling the nature of unidentified gamma-ray sources. I. A new method for the association of gamma-ray blazars. | D'ABRUSCO R., MASSARO F., PAGGI A., et al. | ||
|
2014MNRAS.438.3058R |
15 | D | 1 | 1414 | 31 | Connecting radio variability to the characteristics of gamma-ray blazars. | RICHARDS J.L., HOVATTA T., MAX-MOERBECK W., et al. | ||
|
2014MNRAS.439..690H |
15 | D | 2 | 1318 | 51 | Connection between optical and γ-ray variability in blazars. | HOVATTA T., PAVLIDOU V., KING O.G., et al. | ||
|
2014A&A...562A..64W |
15 | D | 1 | 170 | 6 | Why are some BL Lacertaes detected by Fermi, but others not? | WU Z., JIANG D., GU M., et al. | ||
|
2014ApJS..212...15F |
15 | D | 1 | 24788 | 60 | A broadband polarization catalog of extragalactic radio sources. | FARNES J.S., GAENSLER B.M. and CARRETTI E. | ||
|
2014ApJS..215...14D |
15 | D | 1 | 7877 | 110 | The WISE blazar-like radio-loud sources: an all-sky catalog of candidate γ-ray blazars. | D'ABRUSCO R., MASSARO F., PAGGI A., et al. | ||
| 2014PASJ...66..117W | 15 | D | 1 | 124 | 3 | Correlation between {gam}-ray and radio emissions in Fermi blazars. | WU D.-X., FAN J.-H., LIU Y., et al. | ||
|
2015ApJS..217....2M |
16 | D | 2 | 2199 | 42 | Refining the associations of the Fermi large area telescope source catalogs. | MASSARO F., D'ABRUSCO R., LANDONI M., et al. | ||
|
2015ApJS..218...23A |
16 | D | 1 | 3140 | 1411 | Fermi Large Area Telescope third source catalog. | ACERO F., ACKERMANN M., AJELLO M., et al. | ||
|
2015AJ....150...58F |
16 | D | 1 | 3421 | 241 | The second realization of the international celestial reference frame by very long baseline interferometry. | FEY A.L., GORDON D., JACOBS C.S., et al. | ||
|
2015ApJ...810...14A |
16 | D | 1 | 1890 | 513 | The third catalog of active galactic nuclei detected by the Fermi large area telescope. | ACKERMANN M., AJELLO M., ATWOOD W.B., et al. | ||
|
2015Ap&SS.357...75M |
16 | D | 1 | 3562 | 223 | The 5th edition of the Roma-BZCAT. A short presentation. | MASSARO E., MASELLI A., LETO C., et al. | ||
|
2016ApJ...820....8S |
16 | D | 1 | 3047 | 91 | Classification and ranking of Fermi LAT gamma-ray sources from the 3FGL catalog using machine learning techniques. | SAZ PARKINSON P.M., XU H., YU P.L.H., et al. | ||
|
2016ApJS..224...26M |
16 | D | 1 | 2216 | 17 | 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. | ||
|
2016AJ....152...12L |
16 | D | 1 | 348 | 199 | MOJAVE: XIII. Parsec-scale AGN jet kinematics analysis based on 19 years of VLBA observations at 15 GHz. | LISTER M.L., ALLER M.F., ALLER H.D., et al. | ||
|
2016ApJS..226...20F |
16 | D | 1 | 1394 | 122 | The spectral energy distributions of Fermi blazars. | FAN J.H., YANG J.H., LIU Y., et al. | ||
|
2016A&A...595A...5M |
16 | D | 1 | 2192 | 40 | Gaia Data Release 1. Reference frame and optical properties of ICRF sources. | MIGNARD F., KLIONER S., LINDEGREN L., et al. | ||
|
2017ApJS..228...22L |
16 | D | 1 | 1528 | 2 | 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. | ||
|
2017ApJ...841..113M |
16 | D | 1 | 2944 | 1 | An investigation of blazars without redshifts: not a missing population at high redshift. | MAO P. and URRY C.M. | ||
|
2017MNRAS.467.4565L |
16 | D | 1 | 1193 | 4 | Bimodal radio variability in OVRO-40 m-monitored blazars. | LIODAKIS I., PAVLIDOU V., HOVATTA T., et al. | ||
|
2017MNRAS.468.4992P |
16 | D | 1 | 365 | 122 | MOJAVE - XIV. Shapes and opening angles of AGN jets. | PUSHKAREV A.B., KOVALEV Y.Y., LISTER M.L., et al. | ||
|
2018ApJS..234...12L |
16 | D | 2 | 437 | 152 | 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. | ||
|
2018ApJS..235...39C |
16 | D | 1 | 1395 | 63 | On the jet properties of γ-ray-loud active galactic nuclei. | CHEN L. | ||
|
2018ApJ...862..151H |
16 | D | 1 | 387 | 10 | MOJAVE XVI: multiepoch linear polarization properties of parsec-scale AGN jet cores. | HODGE M.A., LISTER M.L., ALLER M.F., et al. | ||
|
2018ApJS..237...32A |
16 | D | 1 | 2605 | 130 | The search for spatial extension in high-latitude sources detected by the Fermi Large Area Telescope. | ACKERMANN M., AJELLO M., BALDINI L., et al. | ||
|
2018ApJ...866..137L |
16 | D | 1 | 1032 | 70 | Constraining the limiting brightness temperature and Doppler factors for the largest sample of radio-bright blazars. | LIODAKIS I., HOVATTA T., HUPPENKOTHEN D., et al. | ||
|
2018RAA....18...56K |
16 | D | 1 | 1421 | 3 | On the intrinsic shape of the gamma-ray spectrum for Fermi blazars. | KANG S.-J., WU Q., ZHENG Y.-G., et al. | ||
|
2019ApJ...874...43L |
16 | D | 1 | 435 | 150 | MOJAVE. XVII. Jet kinematics and parent population properties of relativistically beamed radio-loud blazars. | LISTER M.L., HOMAN D.C., HOVATTA T., et al. | ||
|
2019ApJS..242....4D |
16 | D | 1 | 9583 | 45 | Two new catalogs of blazar candidates in the WISE Infrared sky. | D'ABRUSCO R., ALVAREZ CRESPO N., MASSARO F., et al. | ||
|
2019ApJS..242....5X |
16 | D | 1 | 3393 | ~ | Structure effects for 3417 Celestial Reference Frame radio sources. | XU M.H., ANDERSON J.M., HEINKELMANN R., et al. | ||
|
2019A&A...630A.101K |
16 | D | 2 | 3584 | ~ | Realization of a multifrequency celestial reference frame through a combination of normal equation systems. | KARBON M. and NOTHNAGEL A. | ||
|
2020ApJS..247...33A |
16 | D | 1 | 5175 | 880 | Fermi Large Area Telescope fourth source catalog. | ABDOLLAHI S., ACERO F., ACKERMANN M., et al. | ||
|
2020ApJ...892..105A |
16 | D | 1 | 3421 | 235 | The fourth catalog of active galactic nuclei detected by the Fermi Large Area Telescope. | AJELLO M., ANGIONI R., AXELSSON M., et al. | ||
|
2020PASP..132k4102P |
16 | D | 1 | 585 | ~ | Beamed and unbeamed emission of γ-ray blazars. | PEI Z., FAN J., YANG J., et al. | ||
|
2020A&A...644A.159C |
16 | D | 1 | 4536 | 184 | The third realization of the International Celestial Reference Frame by very long baseline interferometry. | CHARLOT P., JACOBS C.S., GORDON D., et al. | ||
|
2021ApJ...913..120Z |
17 | D | 1 | 1126 | ~ | Cosmological evolution of Fermi Large Area Telescope gamma-ray blazars using novel nonparametric methods. | ZENG H., PETROSIAN V. and YI T. | ||
|
2021AJ....162...21B |
17 | D | 5 | 2594 | ~ | Optical variability of ICRF3 quasars in the Pan-STARRS 3pi survey with Functional Principal Component Analysis. | BERGHEA C.T., MAKAROV V.V., QUIGLEY K., et al. | ||
|
2021MNRAS.505.4726K |
17 | D | 1 | 2157 | 29 | The relativistic jet dichotomy and the end of the blazar sequence. | KEENAN M., MEYER E.T., GEORGANOPOULOS M., et al. | ||
| 2021MNRAS.505.5853G | 17 | D | 2 | 5834 | ~ | Artificial Neural Network classification of 4FGL sources. | GERMANI S., TOSTI G., LUBRANO P., et al. | ||
|
2021A&A...655A..17S |
17 | D | 1 | 338578 | 3 | The SPECFIND V3.0 catalog of radio continuum cross-identifications and spectra: Reaching lower frequencies. | STEIN Y., VOLLMER B., BOCH T., et al. | ||
|
2021ApJ...923...30L |
17 | D | 1 | 464 | 45 | Monitoring of jets in active galactic nuclei with VLBA experiments. XVIII. Kinematics and inner jet evolution of bright radio-loud active galaxies. | LISTER M.L., HOMAN D.C., KELLERMANN K.I., et al. | ||
|
2021ApJ...923...67H |
17 | D | 1 | 448 | 30 | MOJAVE. XIX. Brightness temperatures and intrinsic properties of blazar jets. | HOMAN D.C., COHEN M.H., HOVATTA T., et al. | ||
|
2022MNRAS.510..469K |
17 | D | 1 | 334 | 11 | A decade of joint MOJAVE-Fermi AGN monitoring: localization of the gamma-ray emission region. | KRAMARENKO I.G., PUSHKAREV A.B., KOVALEV Y.Y., et al. | ||
|
2022ApJ...925...97P |
17 | D | 1 | 809 | 5 | The Estimation of Fundamental Physics Parameters for Fermi-LAT Blazars. | PEI Z., FAN J., YANG J., et al. | ||
|
2022A&A...660A..87B |
17 | D | 2 | 6191 | 10 | Machine learning methods for constructing probabilistic Fermi-LAT catalogs. | BHAT A. and MALYSHEV D. | ||
|
2022ApJS..260....4P |
17 | D | 1 | 7976 | 3 | Direction of Parsec-scale Jets for 9220 Active Galactic Nuclei. | PLAVIN A.V., KOVALEV Y.Y. and PUSHKAREV A.B. | ||
|
2022ApJS..260...53A |
17 | D | 1 | 6710 | 133 | Incremental Fermi Large Area Telescope Fourth Source Catalog. | ABDOLLAHI S., ACERO F., BALDINI L., et al. | ||
|
2022ApJ...933..196H |
X * | 1 | 32 | 13 | Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz. | HOLOIEN T.W.-S., NEUSTADT J.M.M., VALLELY P.J., et al. | |||
|
2022ApJS..262...18Y |
17 | D | 1 | 2709 | 8 | The Spectral Energy Distributions for 4FGL Blazars. | YANG J.H., FAN J.H., LIU Y., et al. | ||
|
2022ApJS..263...24A |
17 | D | 1 | 3828 | 15 | The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope: Data Release 3. | AJELLO M., BALDINI L., BALLET J., et al. | ||
|
2023MNRAS.520.6053P |
104 | D | X | 3 | 437 | 6 | MOJAVE - XX. Persistent linear polarization structure in parsec-scale AGN jets. | PUSHKAREV A.B., ALLER H.D., ALLER M.F., et al. | |
|
2023MNRAS.523.3615Z |
61 | D | X | 2 | 438 | 2 | MOJAVE - XXI. Decade-long linear polarization variability in AGN jets at parsec scales. | ZOBNINA D.I., ALLER H.D., ALLER M.F., et al. | |
|
2023ApJS..268...23F |
17 | D | 2 | 2708 | ~ | Characterizing the Emission Region Properties of Blazars. | FAN J., XIAO H., YANG W., et al. | ||
|
2024A&A...684A.202L |
18 | D | 1 | 422 | ~ | Identification of the optical emission detected by Gaia with radio structures in parsec-scale active galactic nucleus jets. | LAMBERT S., SOL H. and PIERRON A. | ||
|
2024ApJS..274...28C |
18 | D | 1 | 4336 | ~ | Metrics of Astrometric Variability in the International Celestial Reference Frame. I. Statistical Analysis and Selection of the Most Variable Sources. | CIGAN P., MAKAROV V.V., SECREST N.J., et al. | ||
| 2025ApJS..278...11L | 19 | D | 2 | 1265 | ~ | Discerning Misclassified Flat-spectrum Radio Quasars from Low-frequency-peaked BL Lacertae Objects. | LIANG S., YANG W.G., ZHENG Y.G., et al. | ||
| 2025ApJ...991...33P | 19 | D | 1 | 29 | ~ | Extreme Jet Beaming Observed in Neutrino-associated Blazars. | PLAVIN A.V., KOVALEV Y.Y. and TROITSKY S.V. |