Dr Helen Jermak

Astrophysics Research Institute

Journal article

Poutanen J, Veledina A, Berdyugin A, Berdyugina S, Jermak H, Jonker PG, Kajava JJE, Kosenkov IA, Kravtsov V, Piirola V, Shrestha M, Torres MAP, Tsygankov SS. 2022. Black hole spin-orbit misalignment in the x-ray binary MAXI J1820+070 SCIENCE, 375 :874-+ DOI Author Url Publisher Url

Valtonen MJ, Dey L, Gopakumar A, Zola S, Komossa S, Pursimo T, Gomez JL, Hudec R, Jermak H, Berdyugin AV. 2022. Promise of persistent multi-messenger astronomy with the blazar oj 287 Galaxies, 10 DOI

Maund JR, Yang Y, Steele IA, Baade D, Jermak H, Schulze S, Bruch R, Gal-Yam A, Hoflich PA, Ofek E, Wang X, Amenouche M, Dekany R, Masci FJ, Riddle R, Soumagnac MT. 2021. RINGO3 polarimetry of very young ZTF supernovae MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 503 :312-323 DOI Author Url

Laine S, Dey L, Valtonen M, Gopakumar A, Zola S, Komossa S, Kidger M, Pihajoki P, Gómez JL, Caton D, Ciprini S, Drozdz M, Gazeas K, Godunova V, Haque S, Hildebrandt F, Hudec R, Jermak H, Kong AKH, Lehto H, Liakos A, Matsumoto K, Mugrauer M, Pursimo T, Reichart DE, Simon A, Siwak M, Sonbas E. 2020. Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287 Astrophysical Journal Letters, 894 DOI

Shrestha M, Steele IA, Piascik AS, Jermak HE, Smith RJ, Copperwheat CM. 2020. Characterization of a dual-beam, dual-camera optical imaging polarimeter Monthly Notices of the Royal Astronomical Society, 494 :4676-4686 DOI Author Url Publisher Url Public Url

Collaboration MAGIC, Acciari VA, Ansoldi S, Antonelli LA, Engels AA, Arcaro C, Baack D, Babić A, Banerjee B, Bangale P, Almeida UBD, Barrio JA, González JB, Bednarek W, Bellizzi L, Bernardini E, Berti A, Besenrieder J, Bhattacharyya W, Bigongiari C, Biland A, Blanch O, Bonnoli G, Bošnjak Ž, Busetto G, Carosi R, Ceribella G, Chai Y, Chilingaryan A, Cikota S, Colak SM, Colin U, Colombo E, Contreras JL, Cortina J, Covino S, D'Elia V, Vela PD, Dazzi F, Angelis AD, Lotto BD, Delfino M, Delgado J, Depaoli D, Pierro FD, Venere LD, Espiñeira EDS, Prester DD, Donini A, Dorner D, Doro M, Elsaesser D, Ramazani VF, Fattorini A, Fernández-Barral A, Ferrara G, Fidalgo D, Foffano L, Fonseca MV, Font L, Fruck C, Fukami S, López RJG, Garczarczyk M, Gasparyan S, Gaug M, Giglietto N, Giordano F, Godinović N, Green D, Guberman D, Hadasch D, Hahn A, Herrera J, Hoang J, Hrupec D, Hütten M, Inada T, Inoue S, Ishio K, Iwamura Y, Jouvin L, Kerszberg D, Kubo H, Kushida J, Lamastra A, Lelas D, Leone F, Lindfors E, Lombardi S, Longo F, López M, López-Coto R, López-Oramas A, Loporchio S, Fraga BMDO, Maggio C, Majumdar P, Makariev M, Mallamaci M, Maneva G, Manganaro M, Mannheim K, Maraschi L, Mariotti M, Martínez M, Masuda S, Mazin D, Mićanović S, Miceli D, Minev M, Miranda JM, Mirzoyan R, Molina E, Moralejo A, Morcuende D, Moreno V, Moretti E, Munar-Adrover P, Neustroev V, Nigro C, Nilsson K, Ninci D, Nishijima K, Noda K, Nogués L, Nöthe M, Nozaki S, Paiano S, Palacio J, Palatiello M, Paneque D, Paoletti R, Paredes JM, Peñil P, Peresano M, Persic M, Moroni PGP, Prandini E, Puljak I, Rhode W, Ribó M, Rico J, Righi C, Rugliancich A, Saha L, Sahakyan N, Saito T, Sakurai S, Satalecka K, Schmidt K, Schweizer T, Sitarek J, Šnidarić I, Sobczynska D, Somero A, Stamerra A, Strom D, Strzys M, Suda Y, Surić T, Takahashi M, Tavecchio F, Temnikov P, Terzić T, Teshima M, Torres-Albà N, Tosti L, Tsujimoto S, Vagelli V, Scherpenberg JV, Vanzo G, Acosta MV, Vigorito CF, Vitale V, Vovk I, Will M, Zarić D, Collaborators MWL, Asano K, Hada K, Harris DE, Giroletti M, Jermak HE, Madrid JP, Massaro F, Richter S, Spanier F, Steele IA, Walker RC. 2020. Monitoring of the radio galaxy M87 during a low emission state from 2012 to 2015 with MAGIC Monthly Notices of the Royal Astronomical Society, 494 :5354-5365 DOI Author Url Publisher Url Public Url

D'Ammando F, Raiteri CM, Villata M, Acosta-Pulido JA, Agudo I, Arkharov AA, Bachev R, Baida GV, Benitez E, Borman GA, Boschin W, Bozhilov V, Butuzova MS, Calcidese P, Carnerero MI, Carosati D, Casadio C, Castro-Segura N, Chen W-P, Damljanovic G, Di Paola A, Echevarria J, Efimova NV, Ehgamberdiev SA, Espinosa C, Fuentes A, Giunta A, Gomez JL, Grishina TS, Gurwell MA, Hiriart D, Jermak H, Jordan B, Jorstad SG, Joshi M, Kimeridze GN, Kopatskaya EN, Kuratov K, Kurtanidze OM, Kurtanidze SO, Lahteenmaki A, Larionov VM, Larionova EG, Larionova LV, Lazaro C, Lin CS, Malmrose MP, Marscher AP, Matsumoto K, McBreen B, Michel R, Mihov B, Minev M, Mirzaqulov DO, Molina SN, Moody JW, Morozova DA, Nazarov SV, Nikiforova AA, Nikolashvili MG, Ohlert JM, Okhmat N, Ovcharov E, Pinna F, Polakis TA, Protasio C, Pursimo T, Redondo-Lorenzo FJ, Rizzi N, Rodriguez-Coira G, Sadakane K, Sadun AC, Samal MR, Savchenko SS, Semkov E, Sigua L, Skiff BA, Slavcheva-Mihova L, Smith PS, Steele IA, Strigachev A, Tammi J, Thum C, Tornikoski M, Troitskaya YV, Troitsky IS, Vasilyev AA, Vince O, Hovatta T, Kiehlmann S, Max-Moerbeck W, Readhead ACS, Reeves R, Pearson TJ, Mufakharov T, Sotnikova YV, Mingaliev MG. 2019. Investigating the multiwavelength behaviour of the flat spectrum radio quasar CTA 102 during 2013-2017 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 490 :5300-5316 DOI Author Url

Raiteri CM, Villata M, Carnerero M, Acosta-Pulido JA, Mirzaqulov DO, Larionov VM, Romano P, Vercellone S, Agudo I, Arkharov AA, Bach U, Bachev R, Baitieri S, Borman GA, Boschin W, Bozhilov V, Butuzova MS, Calcidese P, Carosati D, Casadio C, Chen W-P, Damljanovic G, Di Paola A, Doroshenko VT, Efimova N, Ehgamberdiev SA, Giroletti M, Gomez JL, Grishina TS, Ibryamov S, Jermak H, Jorstad SG, Kimeridze GN, Klimanov SA, Kopatskaya EN, Kurtanidze OM, Kurtanidze SO, Lahteenmaki A, Larionova EG, Marscher AP, Mihov B, Minev M, Molina SN, Moody JW, Morozova DA, Nazarov S, Nikiforova AA, Nikolashvili MG, Ovcharov E, Peneva S, Righini S, Rizzi N, Sadun AC, Samal MR, Savchenko SS, Semkov E, Sigua LA, Slavcheva-Mihova L, Steele IA, Strigachev A, Tornikoski M, Troitskaya Y, Troitsky IS, Vince O. 2019. The beamed jet and quasar core of the distant blazar 4C 71.07 MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 489 :1837-1849 DOI Author Url

Maguire-Rajpaul V, Jermak HE, Kanani S, van Loon JT, Habergham-Mawson S. 2019. Equality, diversity and inclusion perspectives Astronomy & Geophysics, 60 :5.40-5.42 DOI Publisher Url Public Url

Valtonen MJ, Zola S, Pihajoki P, Enestam S, Lehto HJ, Dey L, Gopakumar A, Drozdz M, Ogloza W, Zejmo M, Gupta AC, Pursimo T, Ciprini S, Kidger M, Nilsson K, Berdyugin A, Piirola V, Jermak H, Hudec R, Laine S. 2019. Accretion Disk Parameters Determined from the Great 2015 Flare of OJ 287 Astrophysical Journal, 882 DOI

Dey L, Gopakumar A, Valtonen M, Zola S, Susobhanan A, Hudec R, Pihajoki P, Pursimo T, Berdyugin A, Piirola V, Ciprini S, Nilsson K, Jermak H, Kidger M, Komossa S. 2019. The unique blazar OJ 287 and its massive binary black hole central engine Universe, 5 DOI

Gutiérrez CM, Arnold D, Copley D, Copperwheat CM, Harvey E, Jermak H, Knapen J, McGrath A, Oria A, Rebolo R, Steele IA, Torres M. 2019. The new 4-m robotic telescope Astronomische Nachrichten, 340 :40-45 DOI Author Url

Ahnen ML, Ansoldi S, Antonelli LA, Arcaro C, Babić A, Banerjee B, Bangale P, Almeida UBD, Barrio JA, González JB, Bednarek W, Bernardini E, Berti A, Bhattacharyya W, Blanch O, Bonnoli G, Carosi R, Carosi A, Chatterjee A, Colak SM, Colin P, Colombo E, Contreras JL, Cortina J, Covino S, Cumani P, Vela PD, Dazzi F, Angelis AD, Lotto BD, Delfino M, Delgado J, Pierro FD, Doert M, Domínguez A, Prester DD, Doro M, Glawion DE, Engelkemeier M, Ramazani VF, Fernández-Barral A, Fidalgo D, Fonseca MV, Font L, Fruck C, Galindo D, López RJG, Garczarczyk M, Gaug M, Giammaria P, Godinović N, Gora D, Guberman D, Hadasch D, Hahn A, Hassan T, Hayashida M, Herrera J, Hose J, Hrupec D, Ishio K, Konno Y, Kubo H, Kushida J, Kuveždić D, Lelas D, Lindfors E, Lombardi S, Longo F, López M, Maggio C, Majumdar P, Makariev M, Maneva G, Manganaro M, Maraschi L, Mariotti M, Martínez M, Mazin D, Menzel U, Minev M, Miranda JM, Mirzoyan R, Moralejo A, Moreno V, Moretti E, Nagayoshi T, Neustroev V, Niedzwiecki A, Rosillo MN, Nigro C, Nilsson K, Ninci D, Nishijima K, Noda K, Nogués L, Paiano S, Palacio J, Paneque D, Paoletti R, Paredes JM, Pedaletti G, Peresano M, Perri L, Persic M, Moroni PGP, Prandini E, Puljak I, Garcia JR, Reichardt I, Ribó M, Rico J, Righi C, Rugliancich A, Saito T, Satalecka K, Schroeder S, Schweizer T, Shore SN, Sitarek J, Šnidarić I, Sobczynska D, Stamerra A, Strzys M, Surić T, Takalo L, Tavecchio F, Temnikov P, Terzić T, Teshima M, Torres-Albà N, Treves A, Tsujimoto S, Vanzo G, Acosta MV, Vovk I, Ward JE, Will M, Zarić D, Arbet-Engels A, Baack D, Balbo M, Biland A, Blank M, Bretz T, Bruegge K, Bulinski M, Buss J, Dmytriiev A, Dorner D, Einecke S, Elsaesser D, Herbst T, Hildebrand D, Kortmann L, Linhoff L, Mahlke M, Mannheim K, Mueller SA, Neise D, Neronov A, Noethe M, Oberkirch J, Paravac A, Rhode W, Schleicher B, Schulz F, Sedlaczek K, Shukla A, Sliusar V, Walter R, Archer A, Benbow W, Bird R, Brose R, Buckley JH, Bugaev V, Christiansen JL, Cui W, Daniel MK, Falcone A, Feng Q, Finley JP, Gillanders GH, Gueta O, Hanna D, Hervet O, Holder J, Hughes G, Hütten M, Humensky TB, Johnson CA, Kaaret P, Kar P, Kelley-Hoskins N, Kertzman M, Kieda D, Krause M, Krennrich F, Kumar S, Lang MJ, Lin TTY, Maier G, McArthur S, Moriarty P, Mukherjee R, O'Brien S, Ong RA, Otte AN, Park N, Petrashyk A, Pichel A, Pohl M, Quinn J, Ragan K, Reynolds PT, Richards GT, Roache E, Rovero AC, Rulten C, Sadeh I, Santander M, Sembroski GH, Shahinyan K, Sushch I, Tyler J, Wakely SP, Weinstein A, Wells RM, Wilcox P, Wilhel A, Williams DA, Williamson TJ, Zitzer B, Perri M, Verrecchia F, Leto C, Villata M, Raiteri CM, Jorstad SG, Larionov VM, Blinov DA, Grishina TS, Kopatskaya EN, Larionova EG, Nikiforova AA, Morozova DA, Troitskaya YV, Troitsky IS, Kurtanidze OM, Nikolashvili MG, Kurtanidze SO, Kimeridze GN, Chigladze RA, Strigachev A, Sadun AC, Moody JW, Chen WP, Lin HC, Acosta-Pulido JA, Arévalo MJ, Carnerero MI, González-Morales PA, Manilla-Robles A, Jermak HE, Steele IA, Mundel C, Benítez E, Hiriart D, Smith PS, Max-Moerbeck W, Readhead ACS, Richards JL, Hovatta T, Lähteenmäki A, Tornikoski M, Tammi J, Georganopoulos M, Baring MG. 2018. The extreme HBL behaviour of Markarian 501 during 2012 Astronomy and Astrophysics, 620 DOI Author Url Publisher Url Public Url

Collaboration MAGIC, Ahnen ML, Ansoldi S, Antonelli LA, Arcaro C, Baack D, Babić A, Banerjee B, Bangale P, Almeida UBD, Barrio JA, González JB, Bednarek W, Bernardini E, Berse RC, Berti A, Bhattacharyya W, Biland A, Blanch O, Bonnoli G, Carosi R, Carosi A, Ceribella G, Chatterjee A, Colak SM, Colin P, Colombo E, Contreras JL, Cortina J, Covino S, Cumani P, Vela PD, Dazzi F, Angelis AD, Lotto BD, Delfino M, Delgado J, Pierro FD, Domínguez A, Prester DD, Dorner D, Doro M, Einecke S, Elsaesser D, Ramazani VF, Fernández-Barral A, Fidalgo D, Fonseca MV, Font L, Fruck C, Galindo D, Gallozzi S, López RJG, Garczarczyk M, Gaug M, Giammaria P, Godinović N, Gora D, Guberman D, Hadasch D, Hahn A, Hassan T, Hayashida M, Herrera J, Hose J, Hrupec D, Ishio K, Konno Y, Kubo H, Kushida J, Kuveždić D, Lelas D, Lindfors E, Lombardi S, Longo F, López M, Maggio C, Majumdar P, Makariev M, Maneva G, Manganaro M, Mannheim K, Maraschi L, Mariotti M, Martínez M, Masuda S, Mazin D, Mielke K, Minev M, Miranda JM, Mirzoyan R, Moralejo A, Moreno V, Moretti E, Nagayoshi T, Neustroev V, Niedzwiecki A, Rosillo MN, Nigro C, Nilsson K, Ninci D, Nishijima K, Noda K, Nogués L, Paiano S, Palacio J, Paneque D, Paoletti R, Paredes JM, Pedaletti G, Peresano M, Persic M, Moroni PGP, Prandini E, Puljak I, Garcia JR, Reichardt I, Rhode W, Ribó M, Rico J, Righi C, Rugliancich A, Saito T, Satalecka K, Schweizer T, Sitarek J, Šnidarić I, Sobczynska D, Stamerra A, Strzys M, Surić T, Takahashi M, Takalo L, Tavecchio F, Temnikov P, Terzić T, Teshima M, Torres-Albà N, Treves A, Tsujimoto S, Vanzo G, Acosta MV, Vovk I, Ward JE, Will M, Zarić D, Collaboration FTF-L, Bastieri D, Gasparrini D, Lott B, Rani B, Thompson DJ, Collaborators MWL, Agudo I, Angelakis E, Borman GA, Casadio C, Grishina TS, Gurwell M, Hovatta T, Itoh R, Järvelä E, Jermak H, Jorstad S, Kopatskaya EN, Kraus A, Krichbaum TP, Kuin NPM, Lähteenmäki A, Larionov VM, Larionova LV, Lien AY, Madejski G, Marscher A, Myserlis I, Max-Moerbeck W, Molina SN, Morozova DA, Nalewajko K, Pearson TJ, Ramakrishnan V, Readhead ACS, Reeves RA, Savchenko SS, Steele IA, Tornikoski M, Troitskaya YV, Troitsky I, Vasilyev AA, Zensus JA. 2018. Multi-wavelength characterization of the blazar S5~0716+714 during an unprecedented outburst phase Astronomy and Astrophysics, 619 DOI Author Url Publisher Url Public Url

Maund JR, Steele IA, Jermak HE, Wheeler JC, Wiersema K. 2018. RINGO3 polarimetry of the Type I superluminous SN 2017egm Monthly Notices of the Royal Astronomical Society, 482 :4057-4061 DOI Author Url Publisher Url Public Url

Dey L, Valtonen MJ, Gopakumar A, Zola S, Hudec R, Pihajoki P, Ciprini S, Matsumoto K, Sadakane K, Kidger M, Nilsson K, Mikkola S, Sillanpaa A, Takalo LO, Lehto HJ, Berdyugin A, Piirola V, Jermak HE, Baliyan KS, Pursimo T, Caton DB, Alicavus F, Baransky A, Blay P, Boumis P, Boyd D, Campas Torrent M, Campos F, Carrillo Gomez J, Chandra S, Chavushyan V, Dalessio J, Debski B, Drozdz M, Er H, Erdem A, Escartin Perez A, Ramazani VF, Filippenko AV, Gafton E, Ganesh S, Garcia F, Gazeas K, Godunova V, Gomez Pinilla F, Gopinathan M, Haislip JB, Harmanen J, Hurst G, Janik J, Jelinek M, Joshi A, Kagitani M, Karjalainen R, Kaur N, Keel WC, Kouprianov VV, Kundera T, Kurowski S, Kvammen A, LaCluyze AP, Lee BC, Liakos A, Lindfors E, Lozano de Haro J, Mugrauer M, Naves Nogues R, Neely AW, Nelson RH, Ogloza W, Okano S, Pajdosz-Smierciak U, Pandey JC, Perri M, Poyner G, Provencal J, Raj A, Reichart DE, Reinthal R, Reynolds T, Saario J, Sadegi S, Sakanoi T, Salto Gonzalez J-L, Sameer , Schweyer T, Simon A, Siwak M, Soldan Alfaro FC, Sonbas E, Steele IA, Stocke JT, Strobl J, Tomov T, Tremosa Espasa L, Valdes JR, Valero Perez J, Verrecchia F, Vasylenko V, Webb JR, Yoneda M, Zejmo M, Zheng W, Zielinski P. 2018. Authenticating the Presence of a Relativistic Massive Black Hole Binary in OJ 287 Using Its General Relativity Centenary Flare: Improved Orbital Parameters Astrophysical Journal, 866 DOI Author Url Publisher Url Public Url

Goyal A, Stawarz , Zola S, Marchenko V, Soida M, Nilsson K, Ciprini S, Baran A, Ostrowski M, Wiita PJ, Gopal-Krishna , Siemiginowska A, Sobolewska M, Jorstad S, Marscher A, Aller MF, Aller HD, Hovatta T, Caton DB, Reichart D, Matsumoto K, Sadakane K, Gazeas K, Kidger M, Piirola V, Jermak H, Alicavus F, Baliyan KS, Baransky A, Berdyugin A, Blay P, Boumis P, Boyd D, Bufan Y, Torrent MC, Campos F, Gómez JC, Dalessio J, Debski B, Dimitrov D, Drozdz M, Er H, Erdem A, Pérez AE, Ramazani VF, Filippenko AV, Gafton E, Garcia F, Godunova V, Pinilla FG, Gopinathan M, Haislip JB, Haque S, Harmanen J, Hudec R, Hurst G, Ivarsen KM, Joshi A, Kagitani M, Karaman N, Karjalainen R, Kaur N, Kozieł-Wierzbowska D, Kuligowska E, Kundera T, Kurowski S, Kvammen A, Lacluyze AP, Lee BC, Liakos A, Haro JLD, Moore JP, Mugrauer M, Nogues RN, Neely AW, Ogloza W, Okano S, Pajdosz U, Pandey JC, Perri M, Poyner G, Provencal J, Pursimo T, Raj A, Rajkumar B, Reinthal R, Reynolds T, Saario J, Sadegi S, Sakanoi T, González JLS, Sameer , Simon AO, Siwak M, Schweyer T, Alfaro FCS, Sonbas E, Strobl J, Takalo LO, Espasa LT. 2018. Stochastic Modeling of Multiwavelength Variability of the Classical BL Lac Object OJ 287 on Timescales Ranging from Decades to Hours Astrophysical Journal, 863 DOI

Boyajian TS, Alonso R, Ammerman A, Armstrong D, Ramos AA, Barkaoui K, Beatty TG, Benkhaldoun Z, Benni P, Bentley R, Berdyugin A, Berdyugina S, Bergeron S, Bieryla A, Blain MG, Blanco AC, Bodman EHL, Boucher A, Bradley M, Brincat SM, Brink TG, Briol J, Brown DJA, Budaj J, Burdanov A, Cale B, Carbo MA, Garcia RC, Clark WJ, Clayton GC, Clem JL, Coker PH, Cook EM, Copperwheat CM, Curtis J, Cutri RM, Cseh B, Cynamon CH, Daniels AJ, Davenport JRA, Deeg HJ, Lorenzo RD, Jaeger TD, Desrosiers J-B, Dolan J, Dowhos DJ, Dubois F, Durkee R, Dvorak S, Easley L, Edwards N, Ellis TG, Erdelyi E, Ertel S, Farfán RG, Farihi J, Filippenko AV, Foxell E, Gandolfi D, Garcia F, Giddens F, Gillon M, González-Carballo J-L, González-Fernández C, Hernández JIG, Graham KA, Greene KA, Gregorio J, Hallakoun N, Hanyecz O, Harp GR, Henry GW, Herrero E, Hildbold CF, Hinzel D, Holgado G, Ignácz B, Ivanov VD, Jehin E, Jermak HE, Johnston S, Kafka S, Kalup C, Kardasis E, Kaspi S, Kennedy GM, Kiefer F, Kielty CL, Kessler D, Kiiskinen H, Killestein TL, King RA, Kollar V, Korhonen H, Kotnik C, Könyves-Tóth R, Kriskovics L, Krumm N, Krushinsky V, Kundra E, Lachapelle F-R, Lacourse D, Lake P, Lam K, Lamb GP, Lane D, Lau MW, Lewin P, Lintott C, Lisse C, Logie L, Longeard N, Villanueva ML, Ludington EW, Mainzer A, Malo L, Maloney C, Mann A, Mantero A, Marengo M, Marchant JM, González MJM, Masiero JR, Mauerhan JC, Mccormac J, Mcneely A, Meng HYA, Miller M, Molnar LA, Morales JC, Morris BM, Muterspaugh MW, Nespral D, Nugent CR, Nugent KM, Odasso A, O'keeffe D, Oksanen A, O'meara JM, Ordasi A, Osborn H, Ott JJ, Parks JR, Perez DR, Petriew V, Pickard R, Pál A, Plavchan P, Plaza CW, Pollacco D, Nuñez FP, Pozuelos FJ, Rau S, Redfield S, Relles H, Ribas I, Richards J, Saario JLO, Safron EJ, Sallai JM, Sárneczky K, Schaefer BE, Schumer CF, Schwartzendruber M, Siegel MH, Siemion APV, Simmons BD, Simon JD, Simón-Diaz S, Sitko ML, Socas-Navarro H, Sódor Á, Starkey D, Steele IA, Stone G, Street RA, Sullivan T, Suomela J, Swift JJ, Szabó GM, Szabó R, Szakáts R, Szalai T, Tanner AM, Toledo-Padrón B, Tordai T, Triaud AHMJ, Turner JD, Ulowetz JH, Urbanik M, Vanaverbeke S, Vanderburg A, Vida K, Vietje BP, Vinkó J, Braun KV, Waagen EO, Walsh D, Watson CA, Weir RC, Wenzel K, Williamson MW, Wright JT, Wyatt MC, Zheng W, Zsidi G. 2018. The First Post-Kepler Brightness Dips of KIC 8462852 Astrophysical Journal Letters, 853 DOI Author Url Publisher Url Public Url

Raiteri CM, Villata M, Acosta-Pulido JA, Agudo I, Arkharov AA, Bachev R, Baida GV, Benitez E, Borman GA, Boschin W, Bozhilov V, Butuzova MS, Calcidese P, Carnerero MI, Carosati D, Casadio C, Castro-Segura N, Chen W-P, Damljanovic G, D'Ammando F, Di Paola A, Echevarria J, Efimova NV, Ehgamberdiev SA, Espinosa C, Fuentes A, Giunta A, Gomez JL, Grishina TS, Gurwell MA, Hiriart D, Jermak HE, Jordan B, Jorstad SG, Joshi M, Kopatskaya EN, Kuratov K, Kurtanidze OM, Kurtanidze SO, Lahteenmaki A, Larionov VM, Larionova EG, Larionova LV, Lazaro C, Lin CS, Malmrose MP, Marscher AP, Matsumoto K, McBreen B, Michel R, Mihov B, Minev M, Mirzaqulov DO, Mokrushina AA, Molina SN, Moody JW, Morozova DA, Nazarov SV, Nikolashvili MG, Ohlert JM, Okhmat DN, Ovcharov E, Pinna F, Polakis TA, Protasio C, Pursimo T, Redondo-Lorenzo FJ, Rizzi N, Rodriguez-Coira G, Sadakane K, Sadun AC, Samal MR, Savchenko SS, Semkov E, Skiff BA, Slavcheva-Mihova L, Smith PS, Steele IA, Strigachev A, Tammi J, Thum C, Tornikoski M, Troitskaya YV, Troitsky IS, Vasilyev AA, Vince O. 2017. Blazar spectral variability as explained by a twisted inhomogeneous jet Nature, 552 :374-377 DOI Author Url Publisher Url Public Url

Valtonen M, Zola S, Jermak HE, Ciprini S, Hudec R, Dey L, Gopakumar A, Reichart DL, Caton DB, Gazeas K, Matsumoto K, Ogloza W, Drozdz M, Alicavus F, Baransky O, Berdyugin A, Boumis P, Bufan Y, Debski B, Er H, Erdem A, Godunova V, Haque S, Hoette VL, Janik J, Kidger M, Kundera T, Kurowski S, Liakos A, Mohammed I, Nilsson K, Pajdosz U, Piirola V, Pursimo T, Rajkumar B, Simon AO, Siwak M, Sonbas E, Steele IA, Vasylenko VV, Zejmo M, Zielinski P. 2017. Polarization and spectral energy distribution in OJ 287 during the 2016/17 outbursts Galaxies, 5 DOI Publisher Url Public Url

Steele IA, Copperwheat CM, Jermak HE, Kennedy GM, Lamb GP. 2017. Optical Polarimetry of KIC 8462852 in May-August 2017 Monthly Notices of the Royal Astronomical Society Letters, 473 :L26-L30 DOI Author Url Publisher Url Public Url

Jermak H, Steele IA, Smith RJ. 2017. MOPTOP: Multi-colour Optimised Optical Polarimeter Gomboc A. Proceedings of the International Astronomical Union, 12 :357-358 DOI Author Url Publisher Url Public Url

Steele IA, Kopač D, Arnold DM, Smith RJ, Kobayashi S, Jermak HE, Mundell CG, Gomboc A, Guidorzi C, Melandri A, Japelj J. 2017. Polarimetry and Photometry of Gamma-Ray Bursts with RINGO2 The Astrophysical Journal, 843 DOI Author Url Publisher Url Public Url

Collaboration MAGIC, Ahnen ML, Ansoldi S, Antonelli LA, Arcaro C, Babić A, Banerjee B, Bangale P, Almeida UBD, Barrio JA, González JB, Bednarek W, Bernardini E, Berti A, Biasuzzi B, Biland A, Blanch O, Bonnefoy S, Bonnoli G, Borracci F, Bretz T, Carosi R, Carosi A, Chatterjee A, Colin P, Colombo E, Contreras JL, Cortina J, Covino S, Cumani P, Vela PD, Dazzi F, Angelis AD, Lotto BD, Wilhelmi EDO, Pierro FD, Doert M, Domínguez A, Prester DD, Dorner D, Doro M, Einecke S, Glawion DE, Elsaesser D, Engelkemeier M, Ramazani VF, Fernández-Barral A, Fidalgo D, Fonseca MV, Font L, Fruck C, Galindo D, López RJG, Garczarczyk M, Gaug M, Giammaria P, Godinović N, Gora D, Guberman D, Hadasch D, Hahn A, Hassan T, Hayashida M, Herrera J, Hose J, Hrupec D, Hughes G, Ishio K, Konno Y, Kubo H, Kushida J, Kuveždić D, Lelas D, Lindfors E, Lombardi S, Longo F, López M, Majumdar P, Makariev M, Maneva G, Manganaro M, Mannheim K, Maraschi L, Mariotti M, Martínez M, Mazin D, Menzel U, Mirzoyan R, Moralejo A, Moretti E, Nakajima D, Neustroev V, Niedzwiecki A, Rosillo MN, Nilsson K, Nishijima K, Noda K, Nogués L, Paiano S, Palacio J, Palatiello M, Paneque D, Paoletti R, Paredes JM, Paredes-Fortuny X, Pedaletti G, Peresano M, Perri L, Persic M, Poutanen J, Moroni PGP, Prandini E, Puljak I, Garcia JR, Reichardt I, Rhode W, Ribó M, Rico J, Saito T, Satalecka K, Schroeder S, Schweizer T, Shore SN, Sillanpää A, Sitarek J, Šnidarić I, Sobczynska D, Stamerra A, Strzys M, Surić T, Takalo L, Tavecchio F, Temnikov P, Terzić T, Tescaro D, Teshima M, Torres DF, Torres-Albà N, Toyama T, Treves A, Vanzo G, Acosta MV, Vovk I, Ward JE, Will M, Wu MH, Zarić D, Desiante R, González JB, D'Ammando F, Larsson S, Raiteri CM, Reinthal R, Lähteenmäki A, Järvelä E, Tornikoski M, Ramakrishnan V, Jorstad SG, Marscher AP, Bala V, MacDonald NR, Kaur N, Sameer , Baliyan K, Acosta-Pulido JA, Lazaro C, Martínez-Lombilla C, Grinon-Marin AB, Yabar AP, Protasio C, Carnerero MI, Jermak HE, Steele IA, Larionov VM, Borman GA, Grishina TS. 2017. Multiwavelength observations of a VHE gamma-ray flare from PKS 1510-089 in 2015 Astronomy and Astrophysics, 603 DOI Author Url Publisher Url Public Url

Arcaro C, Bangale P, Manganaro M, Mazin D, Colin P, Vovk I, Mannheim K, Hada K, Jermak HE, Madrid JP, Massaro F, Richter S, Spanier F, Walker RC. 2017. Monitoring of the radio galaxy M87 at Very High Energy with MAGIC during a low emission state between 2012 and 2015 Gomboc A. NEW FRONTIERS IN BLACK HOLE ASTROPHYSICS, 12 :164-167 DOI Author Url

Snodgrass C, Opitom C, de Val-Borro M, Jehin E, Manfroid J, Lister T, Marchant JM, Jones GH, Fitzsimmons A, Steele IA, Smith RJ, Jermak HE, Granzer T, Meech KJ, Rousselot P, Levasseur-Regourd A-C. 2016. The perihelion activity of comet 67P/Churyumov–Gerasimenko as seen by robotic telescopes Monthly Notices of the Royal Astronomical Society, 462 :138-145 DOI Author Url Publisher Url Public Url

Jermak HE, Steele IA, Lindfors E, Hovatta T, Nilsson K, Lamb GP, Mundell CG, Barres de Almeida U, Berdyugin A, Kadenius V, Reinthal R, Takalo L. 2016. The RINGO2 and DIPOL optical polarization catalogue of blazars Monthly Notices of the Royal Astronomical Society, 462 :4267-4299 DOI Author Url Publisher Url Public Url

Jermak HE, Steele IA, Lindfors E, Hovatta T, Nilsson K, Lamb GP, Mundell C, De Almeida UB, Berdyugin A, Kadenius V, Reinthal R, Takalo L. 2016. Ringo2 optical polarimetry of blazars Galaxies, 4 DOI Publisher Url Public Url

Zola S, Valtonen M, Bhatta G, Goyal A, Debski B, Baran A, Krzesinski J, Siwak M, Ciprini S, Gopakumar A, Jermak HE, Nilsson K, Reichart D, Matsumoto K, Sadakane K, Gazeas K, Kidger M, Piirola V, Alicavus F, Baliyan KS, Berdyugin A, Boyd D, Campas Torrent M, Campos F, Carrillo Gómez J, Caton DB, Chavushyan V, Dalessio J, Dimitrov D, Drozdz M, Er H, Erdem A, Escartin Pérez A, Fallah Ramazani V, Filippenko AV, Garcia F, Gómez Pinilla F, Gopinathan M, Haislip JB, Harmanen J, Hudec R, Hurst G, Ivarsen KM, Jelinek M, Joshi A, Kagitani M, Kaur N, Keel WC, LaCluyze AP, Lee BC, Lindfors E, Lozano de Haro J, Moore JP, Mugrauer M, Naves Nogues R, Neely AW, Nelson RH, Ogloza W, Okano S, Pandey JC, Perri M, Pihajoki P, Poyner G, Provencal J, Pursimo T, Raj A, Reinthal R, Sadegi S, Sakanoi T, Sameer , González JLS, Schweyer T, Soldán Alfaro FC, Karaman N, Sonbas E, Steele IA, Stocke JT, Strobl J, Takalo LO, Tomov T, Tremosa Espasa L, Valdes JR, Valero Pérez J, Verrecchia F, Webb JR, Yoneda M, Zejmo M, Zheng W, Telting J, Saario J. 2016. A search for QPOs in the blazar OJ287: Preliminary results from the 2015/2016 observing campaign Galaxies, 4 DOI Publisher Url Public Url

Steele IA, Marchant JM, Jermak HE, Barnsley RM, Bates SD, Clay NR, Fitzsimmons A, Jehin E, Jones G, Mottram CJ, Smith RJ, Snodgrass C, Val-Borro MD. 2016. LOTUS: A low cost, ultraviolet spectrograph Monthly Notices of the Royal Astronomical Society, DOI Author Url Publisher Url Public Url

Valtonen MJ, Zola S, Ciprini S, Gopakumar A, Matsumoto K, Sadakane K, Kidger M, Gazeas K, Nilsson K, Berdyugin A, Piirola V, Jermak HE, Baliyan KS, Alicavus F, Boyd D, Campas Torrent M, Campos F, Carrillo Gomez J, Caton DB, Chavushyan V, Dalessio J, Debski B, Dimitrov D, Drozdz M, Er H, Erdem A, Escartin Perez A, Ramazani VF, Filippenko AV, Ganesh S, Garcia F, Gomez Pinilla F, Gopinathan M, Haislip JB, Hudec R, Hurst G, Ivarsen KM, Jelinek M, Joshi A, Kagitani M, Kaur N, Keel WC, LaCluyze AP, Lee BC, Lindfors E, Lozano de Haro J, Moore JP, Mugrauer M, Naves Nogues R, Neely AW, Nelson RH, Ogloza W, Okano S, Pandey JC, Perri M, Pihajoki P, Poyner G, Provencal J, Pursimo T, Raj A, Reichart DE, Reinthal R, Sadegi S, Sakanoi T, Salto Gonzalez J-L, Sameer , Schweyer T, Siwak M, Soldan Alfaro FC, Sonbas E, Steele IA, Stocke JT, Strobl J, Takalo LO, Tomov T, Tremosa Espasa L, Valdes JR, Valero Perez J, Verrecchia F, Webb JR, Yoneda M, Zejmo M, Zheng W, Telting J, Saario J, Reynolds T, Kvammen A, Gafton E, Karjalainen R, Harmanen J, Blay P. 2016. PRIMARY BLACK HOLE SPIN IN OJ 287 AS DETERMINED BY THE GENERAL RELATIVITY CENTENARY FLARE ASTROPHYSICAL JOURNAL LETTERS, 819 DOI Author Url Publisher Url Public Url

Barnsley RM, Jermak HE, Steele IA, Smith RJ, Bates SD, Mottram CJ. 2016. IO:I, a near-infrared camera for the Liverpool Telescope Journal of Astronomical Telescopes, Instruments, and Systems, 2 DOI Author Url Publisher Url Public Url

Jermak H, Mundell C, Steele I, Harrison R, Kobayashi S, Lindfors E, Nilssong K, de Almeida UB. 2013. Magnetic Field Structure in Relativistic Jets Gomez JL. INNERMOST REGIONS OF RELATIVISTIC JETS AND THEIR MAGNETIC FIELDS, 61 DOI Author Url

Conference publication

Jermak HE, Barrera J, Copley D, Copperwheat CM, De Cos Juez J, Gracia Rodriquez J, Fernandez-Valdivia JJ, Pinero AGA, Gutierrez CM, Harvey E, Insausti M, Knapen JH, Maudes Gutierrez A, McGrath AM, Oria A, Ranjbar A, Rebolo-Lopez R, Steele IA, Torres M, Xu D, Panyaphirawat T, Aukkaravittayapun S. 2020. The New Robotic Telescope: Progress report Marshall HK, Spyromilio J, Usuda T. GROUND-BASED AND AIRBORNE TELESCOPES VIII, Conference on Ground-Based and Airborne Telescopes VIII Part of SPIE Astronomical Telescopes + Instrumentation Conference 11445 DOI Author Url

Gutiérrez CM, Torres M, Oria A, Fernández-Valdivia JJ, Arnold D, Copley D, Copperwheat C, de Cos Juez J, Franco A, Fan Y, García Piñero A, Harvey E, Jermak H, Jiang X, Knapen JH, McGrath A, Ranjbar A, Rebolo R, Smith R, Steele IA, Wang Z, Wu X, Xu D, Xue S, Yuan W, Zheng Y. 2019. The 4 M new robotic telescope project: An updated report Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias, 53 :8-13 DOI

Copperwheat CM, Steele IA, Barnsley RM, Bates SD, Bode MF, Clay NR, Collins CA, Jermak HE, Knapen JH, Marchant JM, Mottram CJ, Piascik AS, Smith RJ. 2018. Liverpool telescope 2: A new robotic telescope for transient follow-up Proceedings of SPIE - The International Society for Optical Engineering, 10015

Steele IA, Jermak H, Copperwheat CM, Smith RJ, Poshyachinda S, Soonthorntham B. 2018. Experiments with synchronized sCMOS cameras Proceedings of SPIE - The International Society for Optical Engineering, 10015 DOI

Jermak HE, Lucatello S, Woods P. 2018. Equity and diversity in astronomy NATURE ASTRONOMY, 2 :523-524 DOI Author Url

Bates SD, Steele IA, Mottram CJ, Jermak HE, Tromp N, Kragt J, Elswijk E, Pragt J, Stuik R, Barnsley R, Monroe C, Dalton G, Trager S, Lopez Aguerri JA, Bonifacio P, Vallenari A, Carrasco E, Carlos Abrams D, Middleton K. 2018. Thermal and mechanical design and test of the CCD mount for the WEAVE spectrograph cryostats Holland AD, Beletic J. HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY VIII, Conference on High Energy, Optical, and Infrared Detectors for Astronomy VIII 10709 DOI Author Url

Jermak H, Steele IA, Smith RJ. 2018. Optical Design of the Liverpool Telescope Multicolour OPTimised Optical Polarimeter (MOPTOP) Evans CJ, Simard L, Takami H. GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII, Conference on Ground-Based and Airborne Instrumentation for Astronomy VII 10702 DOI Author Url

Steele IA, Jermak H, Bates S, Baker I. 2018. 3D-printed optical instrumentation: practical starter designs and initial experiences Navarro R, Geyl R. ADVANCES IN OPTICAL AND MECHANICAL TECHNOLOGIES FOR TELESCOPES AND INSTRUMENTATION III, Conference on Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III 10706 DOI Author Url

Jermak H, Steele IA, Lamb GP, Valtonen M, Zola S. 2017. Observations of possible jet formation in the binary blazar OJ287 Gomboc A. NEW FRONTIERS IN BLACK HOLE ASTROPHYSICS, 324th Symposium of the International-Astronomical-Union (IAU) 12 :241-242 DOI

Valtonen MJ, Dey L, Hudec R, Zola S, Gopakumar A, Mikkola S, Ciprini S, Matsumoto K, Sadakane K, Kidger M, Gazeas K, Nilsson K, Berdyugin A, Piirola V, Jermak H, Baliyan KS, Reichart DE, Caton DB, Haque S, González G, Hynes R. 2017. High accuracy measurement of gravitational wave back-reaction in the OJ287 black hole binary Proceedings of the International Astronomical Union, 13 :29-36 DOI

Jermak H, Steele IA, Smith RJ. 2016. MOPTOP: a multi-colour optimised optical polarimeter Evans CJ, Simard L, Takami H. GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, Conference on Ground-Based and Airborne Instrumentation for Astronomy VI 9908 DOI Author Url Publisher Url Public Url

Steele IA, Jermak HE, Copperwheat CM, Smith RJ, Poshyachinda S, Soonthorntham B. 2016. Experiments with synchronized sCMOS cameras Holland AD, Beletic J. HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY VII, Conference on High Energy, Optical, and Infrared Detectors for Astronomy VII 9915 DOI Author Url Publisher Url Public Url

Copperwheat CM, Steele IA, Barnsley RM, Bates SD, Bode MF, Clay NR, Collins CA, Jermak HE, Knapen JH, Marchant JM, Mottram CJ, Piascik AS, Smith RJ. 2016. Liverpool Telescope 2: beginning the design phase Hall HJ, Gilmozzi R, Marshall HK. GROUND-BASED AND AIRBORNE TELESCOPES VI, Conference on Ground-Based and Airborne Telescopes VI 9906 DOI Author Url Publisher Url Public Url

Thesis/Dissertation

Jermak HE. Robotic Polarimetry of Blazars Steele IA. Public Url

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