JR
J. L. Richards
astro-ph.HEastro-ph.COastro-ph.GAastro-ph.IM
On Valency
published · living versionsW_6qjjqnaj·v1 · currentpublished
Connection between optical and gamma-ray variability in blazars
with T. Hovatta, V. Pavlidou, O. G. King, A. Mahabal +12
1 version
W_vusftdjd·v1published
Preprints & journals
81 papers in the corpus · 2009–2020The Great Markarian 421 Flare of February 2010: Multiwavelength variability and correlation studies2002.03567v1 · A. U. Abeysekara, W. Benbow, R. Bird et al.2020 · 44 citationsThe Astrophysical Journal, Volume 890, Number 2 (2020)
Unravelling the complex behavior of Mrk 421 with simultaneous X-ray and VHE observations during an extreme flaring activity in April 20132001.08678v1 · V. A. Acciari, S. Ansoldi, L. A. Antonelli et al.2020 · 52 citationsarXiv
The extreme HBL behaviour of Markarian 501 during 20121808.04300v2 · M. L. Ahnen, S. Ansoldi, L. A. Antonelli et al.2018 · 85 citationsA&A 620, A181 (2018)
Radio-emitting narrow-line Seyfert 1 galaxies in the JVLA perspective1801.03519v2 · M. Berton, E. Congiu, E. Jarvela et al.2018 · 95 citationsA&A 614, A87 (2018)
Kiloparsec-scale emission in the narrow-line Seyfert 1 galaxy Mrk 7831704.03881v2 · E. Congiu, M. Berton, M. Giroletti et al.2017 · 30 citationsA&A 603, A32 (2017)
37 GHz observations of narrow-line Seyfert 1 galaxies1703.10365v1 · A. Lahteenmaki, E. Jarvela, T. Hovatta et al.2017 · 48 citationsA&A 603, A100 (2017)
Bimodal radio variability in OVRO-40m-monitored blazars1702.05493v2 · I. Liodakis, V. Pavlidou, T. Hovatta et al.2017 · 36 citations2017, MNRAS, 467, 4565-4576
The peculiar light-curve of J1415+1320: A case study in extreme scattering events1702.05519v1 · H. K. Vedantham, A. C. S. Readhead, T. Hovatta et al.2017 · 22 citationsarXiv
Symmetric Achromatic Variability in Active Galaxies -- A Powerful New Gravitational Lensing Probe?1702.06582v1 · H. K. Vedantham, A. C. S. Readhead, T. Hovatta et al.2017 · 27 citationsarXiv
Multiband variability studies and novel broadband SED modeling of Mrk 501 in 20091612.09472v1 · M. L. Ahnen, S. Ansoldi, L. A. Antonelli et al.2016 · 71 citationsA&A 603, A31 (2017)
The awakening of the gamma-ray narrow-Line Seyfert 1 galaxy PKS 1502+0361609.04845v1 · F. D'Ammando, M. Orienti, J. Finke et al.2016 · 26 citationsarXiv
The F-GAMMA program: Multi-frequency study of Active Galactic Nuclei in the Fermi era. Program description and the first 2.5 years of monitoring1608.02580v1 · L. Fuhrmann, E. Angelakis, J. A. Zensus et al.2016 · 64 citationsA&A 596, A45 (2016)
Insights into the emission of the blazar 1ES 1011+496 through unprecedented broadband observations during 2011 and 20121603.06776v4 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2016 · 21 citationsA&A 591, A10 (2016)
Investigating the peculiar emission from the new VHE gamma-ray source H1722+1191603.06523v3 · M. L. Ahnen, S. Ansoldi, L. A. Antonelli et al.2016 · 33 citationsMNRAS, 2016, 459, 3271-3281
Unveiling the parent population of beamed narrow-line Seyfert 1s1603.00492v1 · M. Berton, L. Foschini, S. Ciroi et al.2016 · 0 citationsarXiv
Broad-band properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies1602.08227v1 · L. Foschini, M. Berton, A. Caccianiga et al.2016 · 0 citationsarXiv
Unveiling the submerged part of the iceberg: radio-loud narrow-line Seyfert 1s with SKA1601.05791v2 · M. Berton, L. Foschini, A. Caccianiga et al.2016 · 5 citationsarXiv
Radio follow-up of the gamma-ray flaring gravitational lens JVAS B0218+3571601.03591v1 · Cristiana Spingola, D. Dallacasa, M. Orienti et al.2016 · 13 citationsarXiv
Gamma rays from the quasar PKS 1441+25: story of an escape1512.04434v1 · A. U. Abeysekara, S. Archambault, A. Archer et al.2015 · 96 citationsarXiv
Multiwavelength Study of Quiescent States of Mrk 421 with Unprecedented Hard X-Ray Coverage Provided by NuSTAR in 20131512.02235v1 · M. Balokovi'c, D. Paneque, G. Madejski et al.2015 · 141 citationsThe Astrophysical Journal, 819, 156 (2016)
Exploring the parent population of beamed NLS1s: from the black hole to the jet1512.00171v1 · M. Berton, L. Foschini, S. Ciroi et al.2015 · 1 citationarXiv
Multiwavelength survey of a sample of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies1512.00192v1 · L. Foschini, M. Berton, A. Caccianiga et al.2015 · 0 citationsarXiv
Why Haven't Many of the Brightest Radio Loud Blazars Been Detected by Fermi ?1507.05953v1 · M. L. Lister, M. F. Aller. H. D. Aller. T. Hovatta, W. Max-Morbeck et al.2015 · 58 citationsarXiv
MAGIC detection of short-term variability of the high-peaked BL Lac object 1ES 0806+5241504.06115v2 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2015 · 33 citationsMNRAS 451, 5258-5269 (2015)
The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies1502.02650v2 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2015 · 127 citationsA&A 576, A126 (2015)
A combined radio and GeV gamma-ray view of the 2012 and 2013 flares of Mrk 4211501.07407v2 · T. Hovatta, M. Petropoulou, J. L. Richards et al.2015 · 51 citationsarXiv
Kiloparsec-scale jets in three radio-loud narrow-line Seyfert 1 galaxies1501.05299v1 · Joseph L. Richards, Matthew L. Lister2015 · 57 citationsAstrophys.J. 800 (2015) L8
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 20101412.3576v2 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2014 · 138 citationsA&A 578, A22 (2015)
The Parsec-scale Structure, Kinematics, and Polarization of Radio-Loud Narrow-Line Seyfert 1 Galaxies1411.1058v2 · J. L. Richards (Purdue), M. L. Lister (Purdue), T. Savolainen et al.2014 · 4 citationsarXiv
The connection between the 15 GHz radio and gamma-ray emission in blazars1411.0334v1 · W. Max-Moerbeck, J. L. Richards, T. Hovatta et al.2014 · 0 citationsarXiv
The most powerful flaring activity from the NLSy1 PMN J0948+00221410.7144v1 · F. D'Ammando, M. Orienti, J. Finke et al.2014 · 52 citationsarXiv
Properties of flat-spectrum radio-loud Narrow-Line Seyfert 1 Galaxies1409.3716v4 · L. Foschini, M. Berton, A. Caccianiga et al.2014 · 164 citationsA&A 575, A13 (2015); A&A 603, C1 (2017)
Time-correlation between the radio and gamma-ray activity in blazars and the production site of the gamma-ray emission1408.6264v1 · W. Max-Moerbeck, T. Hovatta, J.L. Richards et al.2014 · 158 citationsarXiv
A method for the estimation of the significance of cross-correlations in unevenly sampled red-noise time series1408.6265v1 · W. Max-Moerbeck, J.L. Richards, T. Hovatta et al.2014 · 154 citationsarXivon Valency
Probing the very-high-energy gamma-ray spectral curvature in the blazar PG 1553+113 with the MAGIC telescopes1408.1975v2 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2014 · 30 citationsMNRAS, 2015, Volume 450, Issue 4, p.4399-4410
Studies of the Jet in BL Lacertae I. Recollimation Shock and Moving Emission Features1404.0976v1 · M. H. Cohen, D. L. Meier, T. G. Arshakian (U. Cologne et al.2014 · 81 citationsAstrophysical Journal 787 (2014) 151
MAGIC gamma-ray and multifrequency observations of flat spectrum radio quasar PKS 1510-089 in early 20121401.5646v2 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2014 · 96 citationsarXiv
MAGIC long-term study of the distant TeV blazar PKS 1424+240 in a multiwavelength context1401.0464v2 · S. Ansoldi, L. A. Antonelli, P. Antoranz et al.2014 · 59 citationsA&A 567, A135 (2014)
Connection between optical and gamma-ray variability in blazars1401.0538v1 · T. Hovatta, V. Pavlidou, O. G. King et al.2014 · 76 citationsarXivon Valency
Multiwavelength observations of the gamma-ray emitting narrow-line Seyfert 1 PMN J0948+0022 in 20111312.5522v1 · F. D'Ammando, J. Larsson, M. Orienti et al.2013 · 30 citationsarXiv
Connecting radio variability to the characteristics of gamma-ray blazars1312.3634v1 · Joseph L. Richards (Purdue), Talvikki Hovatta, Walter Max-Moerbeck (NRAO) et al.2013 · 97 citationsarXiv
MAGIC observations and multifrequency properties of the Flat Spectrum Radio Quasar 3C 279 in 20111311.2833v3 · J. Aleksi'c, S. Ansoldi, L. A. Antonelli et al.2013 · 43 citationsA&A 567, A41 (2014)
A quasi-periodic oscillation in the blazar J1359+40111309.1158v1 · O.G. King, T. Hovatta, W. Max-Moerbeck et al.2013 · 90 citationsarXiv
Multifrequency studies of the narrow-line Seyfert 1 galaxy SBS 0846+5131308.3709v1 · F. D'Ammando, M. Orienti, J. Finke et al.2013 · 57 citationsarXiv
MOJAVE. X. Parsec-Scale Jet Orientation Variations and Superluminal Motion in AGN1308.2713v1 · M. L. Lister (Purdue U.), M. F. Aller (U. Michigan), H. D. Aller (U. Michigan) et al.2013 · 443 citationsAstronomical Journal 146 (2013) id. 120 (22 pages)
VLBA observations of a rare multiple quasar imaging event caused by refraction in the interstellar medium1305.6005v1 · A.B. Pushkarev, Y.Y. Kovalev, M.L. Lister et al.2013 · 38 citationsAstronomy & Astrophysics 555 (2013) A80
The ordinary life of the gamma-ray emitting narrow-line Seyfert 1 galaxy PKS 1502+0361305.0572v2 · F. D'Ammando, M. Orienti, A. Doi et al.2013 · 43 citationsarXiv
OVRO 40 m Blazar Monitoring Program: Location of the gamma-ray emission region in blazars by the study of correlated variability at radio and gamma-rays1303.2131v1 · W. Max-Moerbeck, J. L. Richards, V. Pavlidou et al.2013 · 3 citationsarXiv
Radio to gamma-ray variability study of blazar S5 0716+7141301.7087v1 · B. Rani, T. P. Krichbaum, L. Fuhrmann et al.2013 · 117 citationsarXiv
Rapid TeV Gamma-Ray Flaring of BL Lacertae1211.3073v1 · T. Arlen, T. Aune, M. Beilicke et al.2012 · 102 citationsarXiv
Career total: 154 works. 81 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.