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A. C. S. Readhead

california institute of technology

79H-index
704Paper Count
2.2WCitation Count
Published Papers 207
Publication Date
A Search for Supermassive Black Hole Binary Candidates in 46 yr Radio Light Curves of 83 Blazars
err2026-03-12
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errB. Molina; P. Mróz; P. V. De la Parra; A. C. S. Readhead; T. Surti; M. F. Aller; J. D. Scargle; R. A. Reeves; H. Aller; M. C. Begelman; R. D. Blandford; Y. Ding; M. J. Graham; F. Harrison; T. Hovatta; I. Liodakis; M. L. Lister; W. Max-Moerbeck; V. Pavlidou; T. J. Pearson; V. Ravi; A. G. Sullivan; A. Synani; K. Tassis; S. E. Tremblay; J. A. Zensus
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Relativistic Jets and Winds in Radio-identified Supermassive Black Hole Binary Candidates
err2026-01-15
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errAndrew G. Sullivan; Roger D. Blandford; Anna Synani; Philipe V. de la Parra; Noémie Globus; Mitchell C. Begelman; Anthony C.S. Readhead
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Compelling Evidence for a Harmonic in the Light Curve of the Supermassive Black Hole Binary Candidate PKS J1309+1154
err2026-01-08
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errA. C. S. Readhead; M. F. Aller; A. G. Sullivan; R. D. Blandford; P. Mróz; P. V. De la Parra; B. Molina; E. R. Most; M. L. Lister; A. Synani; H. Aller; M. C. Begelman; Y. Ding; M. J. Graham; F. Harrison; T. Hovatta; I. Liodakis; W. Max-Moerbeck; V. Pavlidou; T. J. Pearson; V. Ravi; R. A. Reeves; T. Surti; K. Tassis; S. E. Tremblay; J. A. Zensus
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IXPE observations of the blazar Mrk 501 in 2022: a multiwavelength view
err2025-07-10
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errL Lisalda; E Gau; H Krawczynski; F Tavecchio; I Liodakis; A Gokus; N Rodriguez Cavero; M Nowak; M Negro; R Middei; M Perri; S Puccetti; S G Jorstad; I Agudo; A P Marscher; B Agís-González; A V Berdyugin; M I Bernardos; D Blinov; G Bonnoli; G A Borman; I G Bourbah; C Casadio; V Casanova; A J Castro-Tirado; E Fernández-García; M García-Comas; T S Grishina; P Hakala; T Hovatta; Y D Hu; C Husillos; J Escudero; J Jormanainen; F José Aceituno; M Kagitani; S Kiehlmann; E Kontopodis; E N Kopatskaya; P M Kouch; V Kravtsov; A Lähteenmäki; E G Larionova; E Lindfors; N Mandarakas; A Marchini; J R Masiero; D Mawet; W Max-Moerbeck; D A Morozova; I Myserlis; K Nilsson; G V Panopoulou; T J Pearson; A C S Readhead; R Reeves; S Romanopoulos; T Sakanoi; Q Salomé; S S Savchenko; R Skalidis; A Sota; I Syrjärinne; S Tinyanont; M Tornikoski; Yu V Troitskaya; I S Troitskiy; A A Vasilyev; A Vervelaki; A V Zhovtan; L A Antonelli; M Bachetti; L Baldini; W H Baumgartner; R Bellazzini; S Bianchi; S D Bongiorno; R Bonino; A Brez; N Bucciantini; F Capitanio; S Castellano; E Cavazzuti; C Chen; S Ciprini; E Costa; A De Rosa; E Del Monte; L Di Gesu; N Di Lalla; A Di Marco; I Donnarumma; V Doroshenko; M Dovčiak; S R Ehlert; T Enoto; Y Evangelista; S Fabiani; R Ferrazzoli; J A Garcia; S Gunji; Mark Gurwell; K Hayashida; J Heyl; W Iwakiri; P Kaaret; V Karas; Garrett Keating; F Kislat; T Kitaguchi; J J Kolodziejczak; F La Monaca; L Latronico; S Maldera; A Manfreda; F Marin; A Marinucci; H L Marshall; F Massaro; G Matt; I Mitsuishi; T Mizuno; F Muleri; C Ng; S L O’Dell; N Omodei; C Oppedisano; A Papitto; G G Pavlov; A L Peirson; M Pesce-Rollins; P Petrucci; M Pilia; A Possenti; J Poutanen; B D Ramsey; J Rankin; R Rao; A Ratheesh; O J Roberts; R W Romani; C Sgrò; P Slane; P Soffitta; G Spandre; D A Swartz; T Tamagawa; R Taverna; Y Tawara; A F Tennant; N E Thomas; F Tombesi; A Trois; S S Tsygankov; R Turolla; J Vink; M C Weisskopf; K Wu; F Xie; S Zane
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PKS 2131-021-Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary
err2025-05-14
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errKiehlmann, S.; de la Parra, P. V.; Sullivan, A. G.; Synani, A.; Liodakis, I.; Mroz, P.; Naess, S. K.; Readhead, A. C. S.; Begelman, M. C.; Blandford, R. D.; Chatziioannou, K.; Ding, Y.; Graham, M. J.; Harrison, F.; Homan, D. C.; Hovatta, T.; Kulkarni, S. R.; Lister, M. L.; Maiolino, R.; Max-Moerbeck, W.; Molina, B.; O'Dea, C. P.; Pavlidou, V.; Pearson, T. J.; Aller, M. F.; Lawrence, C. R.; Lazio, T. J. W.; O'Neill, S.; Prince, T. A.; Ravi, V.; Reeves, R. A.; Tassis, K.; Vallisneri, M.; Zensus, J. A.
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SMILE: Discriminating milli-lens systems in a VLBI pilot project
err2025-02-06
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PREAI
errPotzl, F. M.; Casadio, C.; Kalaitzidakis, G.; alvarez-Ortega, D.; Kumar, A.; Missaglia, V.; Blinov, D.; Janssen, M.; Loudas, N.; Pavlidou, V.; Readhead, A. C. S.; Tassis, K.; Wilkinson, P. N.; Zensus, J. A.
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Spectral Energy Distribution Variability of the Blazar OJ 287 During 2009-2021
err2025-01-28
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errZuo, Wenwen; Gupta, Alok C.; Gu, Minfeng; Valtonen, Mauri J.; Jorstad, Svetlana G.; Aller, Margo F.; Lahteenmaeki, Anne; Kiehlmann, Sebastian; Kushwaha, Pankaj; Aller, Hugh D.; Chen, Liang; Readhead, Anthony C. S.; Tornikoski, Merja; Yuan, Qi
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The Radio Spectra of High-luminosity Compact Symmetric Objects: Implications for Studies of Compact Jetted Active Galactic Nuclei
err2024-12-12
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errde la Parra, P. V.; Readhead, A. C. S.; Herbig, T.; Kiehlmann, S.; Lister, M. L.; Pavlidou, V.; Reeves, R. A.; Siemiginowska, A.; Sullivan, A. G.; Surti, T.; Synani, A.; Tassis, K.; Taylor, G. B.; Wilkinson, P. N.; Aller, M. F.; Blandford, R. D.; Globus, N.; Lawrence, C. R.; Molina, B.; O'Neill, S.; Pearson, T. J.
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A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour
err2024-12-02
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PREAI
errRaiteri, C. M.; Villata, M.; Carnerero, M. I.; Kurtanidze, S. O.; Mirzaqulov, D. O.; Benitez, E.; Bonnoli, G.; Carosati, D.; Acosta-Pulido, J. A.; Agudo, I.; Andreeva, T. S.; Apolonio, G.; Bachev, R.; Borman, G. A.; Bozhilov, V.; Brown, L. F.; Carbonell, W.; Casadio, C.; Chen, W. P.; Damljanovic, G.; Ehgamberdiev, S. A.; Elsaesser, D.; Escudero, J.; Feige, M.; Fuentes, A.; Gabellini, D.; Gazeas, K.; Giroletti, M.; Grishina, T. S.; Gupta, A. C.; Gurwell, M. A.; Hagen-Thorn, V. A.; Hamed, G. M.; Hiriart, D.; Hodges, M.; Ivanidze, R. Z.; Ivanov, D. V.; Joner, M. D.; Jorstad, S. G.; Jovanovic, M. D.; Kiehlmann, S.; Kimeridze, G. N.; Kopatskaya, E. N.; Kovalev, Yu. A.; Kovalev, Y. Y.; Kurtanidze, O. M.; Kurtenkov, A.; Larionova, E. G.; Lessing, A.; Lin, H. C.; Lopez, J. M.; Lorey, C.; Ludwig, J.; Marchili, N.; Marchini, A.; Marscher, A. P.; Matsumoto, K.; Max-Moerbeck, W.; Mihov, B.; Minev, M.; Mingaliev, M. G.; Modaressi, A.; Morozova, D. A.; Mortari, F.; Mufakharov, T. V.; Myserlis, I.; Nikolashvili, M. G.; Pearson, T. J.; Popkov, A. V.; Rahimov, I. A.; Readhead, A. C. S.; Reinhart, D.; Reeves, R.; Righini, S.; Romanov, F. D.; Savchenko, S. S.; Semkov, E.; Shishkina, E. V.; Sigua, L. A.; Slavcheva-Mihova, L.; Sotnikova, Yu. V.; Steineke, R.; Stojanovic, M.; Strigachev, A.; Takey, A.; Traianou, E.; Troitskaya, Yu. V.; Troitskiy, I. S.; Tsai, A. L.; Valcheva, A.; Vasilyev, A. A.; Verna, G.; Vince, O.; Vrontaki, K.; Weaver, Z. R.; Webb, J.; Yuldoshev, Q. X.; Zaharieva, E.; Zhovtan, A. V.
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COMAP Pathfinder - Season 2 results: I. Improved data selection and processing
err2024-11-27
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errLunde, J. G. S.; Stutzer, N. -o.; Breysse, P. C.; Chung, D. T.; Cleary, K. A.; Dunne, D. A.; Eriksen, H. K.; Harper, S. E.; Ihle, H. T.; Lamb, J. W.; Pearson, T. J.; Philip, L.; Wehus, I. K.; Woody, D. P.; Bond, J. R.; Church, S. E.; Gaier, T.; Gundersen, J. O.; Harris, A. I.; Hobbs, R.; Kim, J.; Lawrence, C. R.; Murray, N.; Padmanabhan, H.; Readhead, A. C. S.; Rennie, T. J.; Tolgay, D.
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COMAP Pathfinder - Season 2 results III. Implications for cosmic molecular gas content at z ∼ 3
err2024-11-27
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errChung, D. T.; Breysse, P. C.; Cleary, K. A.; Dunne, D. A.; Lunde, J. G. S.; Padmanabhan, H.; Stutzer, N. -O; Tolgay, D.; Bond, J. R.; Church, S. E.; Eriksen, H. K.; Gaier, T.; Gundersen, J. O.; Harper, S. E.; Harris, A. I.; Hobbs, R.; Ihle, H. T.; Kim, J.; Lamb, J. W.; Lawrence, C. R.; Murray, N.; Pearson, T. J.; Philip, L.; Readhead, A. C. S.; Rennie, T. J.; Wehus, I. K.; Woody, D. P.
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COMAP Pathfinder - Season 2 results
err2024-11-27
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errStutzer, N. -o.; Lunde, J. G. S.; Breysse, P. C.; Chung, D. T.; Cleary, K. A.; Dunne, D. A.; Eriksen, H. K.; Ihle, H. T.; Padmanabhan, H.; Tolgay, D.; Wehus, I. K.; Bond, J. R.; Church, S. E.; Gaier, T.; Gundersen, J. O.; Harris, A. I.; Harper, S. E.; Hobbs, R.; Kim, J.; Lamb, J. W.; Lawrence, C. R.; Murray, N.; Pearson, T. J.; Philip, L.; Readhead, A. C. S.; Rennie, T. J.; Woody, D. P.
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Association of the IceCube neutrinos with blazars in the CGRaBS sample
err2024-10-03
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errKouch, Pouya M.; Lindfors, Elina; Hovatta, Talvikki; Liodakis, Ioannis; Koljonen, Karri I. I.; Nilsson, Kari; Kiehlmann, Sebastian; Max-Moerbeck, Walter; Readhead, Anthony C. S.; Reeves, Rodrigo A.; Pearson, Timothy J.; Jormanainen, Jenni; Ramazani, Vandad Fallah; Graham, Matthew J.
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SPRITEly: Time-domain Millimeter Interferometry at the Owens Valley Radio Observatory
err2024-09-20
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errYurk, Nitika Yadlapalli; Ravi, Vikram; Hodges, Mark W.; Lamb, James W.; Hobbs, Richard; Woody, David P.; Readhead, Anthony C. S.
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A γ-Ray-emitting Blazar at Redshift 3.64: Fermi-LAT and OVRO Observations of PKS 0201+113
err2024-07-31
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errLei, Hai; Zhang, Ying-Kang; Jiang, Xiong; Kiehlmann, S.; Readhead, A. C. S.; Chen, Liang; Liao, Neng-Hui; An, Tao
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Unprecedented extreme high-frequency radio variability in early-stage active galactic nuclei
err2024-07-11
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errJarvela, E.; Savolainen, T.; Berton, M.; Lahteenmaki, A.; Kiehlmann, S.; Hovatta, T.; Varglund, I; Readhead, A. C. S.; Tornikoski, M.; Max-Moerbeck, W.; Reeves, R. A.; Suutarinen, S.
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The first degree-scale starlight-polarization-based tomography map of the magnetized interstellar medium
err2024-04-23
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errPelgrims, V.; Mandarakas, N.; Skalidis, R.; Tassis, K.; Panopoulou, G. V.; Pavlidou, V.; Blinov, D.; Kiehlmann, S.; Clark, S. E.; Hensley, B. S.; Romanopoulos, S.; Basyrov, A.; Eriksen, H. K.; Falalaki, M.; Ghosh, T.; Gjerlow, E.; Kypriotakis, J. A.; Maharana, S.; Papadaki, A.; Pearson, T. J.; Potter, S. B.; Ramaprakash, A. N.; Readhead, A. C. S.; Wehus, I. K.
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Zero-polarization candidate regions for the calibration of wide-field optical polarimeters
err2024-04-12
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errMandarakas, N.; Panopoulou, G. V.; Pelgrims, V.; Potter, S. B.; Pavlidou, V.; Ramaprakash, A.; Tassis, K.; Blinov, D.; Kiehlmann, S.; Koutsiona, E.; Maharana, S.; Romanopoulos, S.; Skalidis, R.; Vervelaki, A.; Clark, S. E.; Kypriotakis, J. A.; Readhead, A. C. S.
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COMAP Early Science. VIII. A Joint Stacking Analysis with eBOSS Quasars
err2024-04-01
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errDunne, Delaney A.; Cleary, Kieran A.; Breysse, Patrick C.; Chung, Dongwoo T.; Ihle, Havard T.; Bond, J. Richard; Eriksen, Hans Kristian; Gundersen, Joshua Ott; Keating, Laura C.; Kim, Junhan; Lunde, Jonas Gahr Sturtzel; Murray, Norman; Padmanabhan, Hamsa; Philip, Liju; Stutzer, Nils-Ole; Tolgay, Doga; Wehus, Ingunn Katherine; Church, Sarah E.; Gaier, Todd; Harris, Andrew I.; Hobbs, Richard; Lamb, James W.; Lawrence, Charles R.; Readhead, Anthony C. S.; Woody, David P.
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