Items where Author is "Jermak, HE"

Article

Agudo, I, Liodakis, I, Otero-Santos, J, Middei, R, Marscher, A, Jorstad, S, Zhang, H, Li, H, Di Gesu, L, Romani, RW, Kim, DE, Fenu, F, Marshall, HL, Pacciani, L, Pedrosa, JE, Aceituno, FJ, Agís-González, B, Bonnoli, G, Casanova, V, Morcuende, D et al (2025) High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet. The Astrophysical Journal Letters, 985 (L15). pp. 1-18. ISSN 2041-8213

Abe, K, Abe, S, Abhir, J, Abhishek, A, Acciari, VA, Aguasca-Cabot, A, Agudo, I, Aniello, T, Ansoldi, S, Antonelli, LA, Arbet Engels, A, Arcaro, C, Asano, K, Babić, A, Barres de Almeida, U, Barrio, JA, Barrios-Jiménez, L, Batković, I, Baxter, J, Becerra González, J et al (2025) Insights from the first flaring activity of a high synchrotron peaked blazar with X-ray polarization and VHE gamma rays. Astronomy & Astrophysics, 695. pp. 1-18. ISSN 0004-6361

Liodakis, I, Kiehlmann, S, Marscher, AP, Zhang, H, Blinov, D, Jorstad, SG, Agudo, I, Benítez, E, Berdyugin, A, Bonnoli, G, Casadio, C, Chen, C-T, Chen, W-P, Ehlert, SR, Escudero, J, Grishina, TS, Hiriart, D, Hsu, A, Imazawa, R, Jermak, HE et al (2024) Testing particle acceleration in blazar jets with continuous high-cadence optical polarization observations. Astronomy & Astrophysics, 689. ISSN 0004-6361

Kouch, PM, Liodakis, I, Middei, R, Kim, DE, Tavecchio, F, Marscher, AP, Marshall, HL, Ehlert, SR, Di Gesu, L, Jorstad, SG, Agudo, I, Madejski, GM, Romani, RW, Errando, M, Lindfors, E, Nilsson, K, Toppari, E, Potter, SB, Imazawa, R, Sasada, M et al (2024) IXPE observation of PKS 2155–304 reveals the most highly polarized blazar. Astronomy & Astrophysics, 689. pp. 1-17. ISSN 1432-0746

Koljonen, KII, Liodakis, I, Lindfors, E, Nilsson, K, Reynolds, TM, Charalampopoulos, P, Kouroumpatzakis, K, McCall, C, Jermak, HE, Steele, IA and Carbajo-Hijarrubia, J (2024) The extreme coronal line emitter AT 2022fpx: varying optical polarization properties and late-time X-ray flare. Monthly Notices of the Royal Astronomical Society, 532 (1). pp. 112-125. ISSN 0035-8711

Bernardes, D, Steele, I, Jermak, HE and McCall, C (2024) Characterization of Instrumental Polarization in the MOPTOP Instrument. Research Notes of the AAS, 8 (3).

Esteban, AC, Steele, IA and Jermak, HE (2024) A study of Be stars in the time domain - I. Spectral data and polarimetry. Monthly Notices of the Royal Astronomical Society, 529 (2). pp. 1555-1570. ISSN 0035-8711

McCall, C, Jermak, HE, Steele, IA, Kobayashi, S, Knapen, JH and Sánchez-Alarcón, PM (2024) Detection of an intranight optical hard-lag with colour variability in blazar PKS 0735+178. Monthly Notices of the Royal Astronomical Society, 528 (3). pp. 4702-4719. ISSN 0035-8711

Shrestha, M, Steele, IA, Kobayashi, S, Smith, RJ, Jermak, HE, Piascik, A and Mundell, CG (2023) GRB 210619B: First Gamma-Ray Burst Detection by the Novel Polarimeter MOPTOP. Research Notes of the AAS, 7 (6). p. 118.

Shrestha, M, Steele, IA, Kobayashi, S, Smith, RJ, Guidorzi, C, Jordana-Mitjans, N, Jermak, HE, Arnold, D, Mundell, CG and Gomboc, A (2022) Polarimetry and photometry of gamma-ray bursts afterglows with RINGO3. Monthly Notices of the Royal Astronomical Society, 516 (2). pp. 1584-1600. ISSN 0035-8711

Poutanen, J, Veledina, A, Berdyugin, A, Berdyugina, S, Jermak, HE, Jonker, PG, Kajava, JJE, Kosenkov, IA, Kravtsov, V, Piirola, V, Shrestha, M, Torres, MAP and Tsygankov, SS (2022) Black hole spin-orbit misalignment in the x-ray binary MAXI J1820+070. SCIENCE, 375 (6583). pp. 874-876. ISSN 0036-8075

Shrestha, M, Steele, IA, Kobayashi, S, Jordana-Mitjans, N, Smith, RJ, Jermak, HE, Arnold, D, Mundell, CG, Gomboc, A and Guidorzi, C (2021) GRB 191016A: a highly collimated gamma-ray burst jet with magnetized energy injection. Monthly Notices of the Royal Astronomical Society, 509 (4). pp. 5964-5973. ISSN 0035-8711

Shrestha, M, Steele, IA, Piascik, AS, Jermak, HE, Smith, RJ and Copperwheat, CM (2020) Characterization of a dual-beam, dual-camera optical imaging polarimeter. Monthly Notices of the Royal Astronomical Society, 494 (4). pp. 4676-4686. ISSN 0035-8711

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 et al (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 (2). pp. 5354-5365. ISSN 0035-8711

Maguire-Rajpaul, V, Jermak, HE, Kanani, S, van Loon, JT and Habergham-Mawson, S (2019) Equality, diversity and inclusion perspectives. Astronomy & Geophysics, 60 (5). 5.40-5.42. ISSN 1366-8781

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 et al (2018) The extreme HBL behaviour of Markarian 501 during 2012. Astronomy and Astrophysics, 620. ISSN 0004-6361

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 et al (2018) Multi-wavelength characterization of the blazar S5~0716+714 during an unprecedented outburst phase. Astronomy and Astrophysics, 619. ISSN 0004-6361

Maund, JR, Steele, IA, Jermak, HE, Wheeler, JC and Wiersema, K (2018) RINGO3 polarimetry of the Type I superluminous SN 2017egm. Monthly Notices of the Royal Astronomical Society, 482 (3). pp. 4057-4061. ISSN 0035-8711

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 et al (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 (1). ISSN 0004-637X

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 et al (2018) The First Post-Kepler Brightness Dips of KIC 8462852. Astrophysical Journal Letters, 853 (1). ISSN 2041-8205

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 et al (2017) Blazar spectral variability as explained by a twisted inhomogeneous jet. Nature, 552 (7685). pp. 374-377. ISSN 0028-0836

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 et al (2017) Polarization and spectral energy distribution in OJ 287 during the 2016/17 outbursts. Galaxies, 5 (4). ISSN 2075-4434

Steele, IA, Copperwheat, CM, Jermak, HE, Kennedy, GM and Lamb, GP (2017) Optical Polarimetry of KIC 8462852 in May-August 2017. Monthly Notices of the Royal Astronomical Society Letters, 473 (1). L26-L30. ISSN 0035-8711

Jermak, HE, Steele, IA and Smith, RJ (2017) MOPTOP: Multi-colour Optimised Optical Polarimeter. Proceedings of the International Astronomical Union, 12 (S324). pp. 357-358. ISSN 1743-9213

Steele, IA, Kopač, D, Arnold, DM, Smith, RJ, Kobayashi, S, Jermak, HE, Mundell, CG, Gomboc, A, Guidorzi, C, Melandri, A and Japelj, J (2017) Polarimetry and Photometry of Gamma-Ray Bursts with RINGO2. The Astrophysical Journal, 843 (2). ISSN 1538-4357

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 et al (2017) Multiwavelength observations of a VHE gamma-ray flare from PKS 1510-089 in 2015. Astronomy and Astrophysics, 603. ISSN 0004-6361

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 and 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 ((S) 1). pp. 138-145. ISSN 0035-8711

Jermak, HE, Steele, IA, Lindfors, E, Hovatta, T, Nilsson, K, Lamb, GP, Mundell, CG, Barres de Almeida, U, Berdyugin, A, Kadenius, V, Reinthal, R and Takalo, L (2016) The RINGO2 and DIPOL optical polarization catalogue of blazars. Monthly Notices of the Royal Astronomical Society, 462 (4). pp. 4267-4299. ISSN 0035-8711

Jermak, HE, Steele, IA, Lindfors, E, Hovatta, T, Nilsson, K, Lamb, GP, Mundell, C, De Almeida, UB, Berdyugin, A, Kadenius, V, Reinthal, R and Takalo, L (2016) Ringo2 optical polarimetry of blazars. Galaxies, 4 (4). ISSN 2075-4434

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 et al (2016) A search for QPOs in the blazar OJ287: Preliminary results from the 2015/2016 observing campaign. Galaxies, 4 (4). ISSN 2075-4434

Steele, IA, Marchant, JM, Jermak, HE, Barnsley, RM, Bates, SD, Clay, NR, Fitzsimmons, A, Jehin, E, Jones, G, Mottram, CJ, Smith, RJ, Snodgrass, C and Val-Borro, MD (2016) LOTUS: A low cost, ultraviolet spectrograph. Monthly Notices of the Royal Astronomical Society. ISSN 0035-8711

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 et al (2016) PRIMARY BLACK HOLE SPIN IN OJ 287 AS DETERMINED BY THE GENERAL RELATIVITY CENTENARY FLARE. ASTROPHYSICAL JOURNAL LETTERS, 819 (2). ISSN 2041-8205

Barnsley, RM, Jermak, HE, Steele, IA, Smith, RJ, Bates, SD and Mottram, CJ (2016) IO:I, a near-infrared camera for the Liverpool Telescope. Journal of Astronomical Telescopes, Instruments, and Systems, 2 (1). ISSN 2329-4124

Conference or Workshop Item

Jermak, HE, Steele, IA and Smith, RJ (2016) MOPTOP: A multi-colour optimised optical polarimeter. In: SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy , 9908. (Ground-based and Airborne Instrumentation for Astronomy VI, 26th June 2016, Edinburgh, UK).

Steele, IA, Jermak, HE, Copperwheat, CM, Smith, RJ, Poshyachinda, S and Soonthorntham, B (2016) Experiments with synchronized sCMOS cameras. In: HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY VII , 9915. (Conference on High Energy, Optical, and Infrared Detectors for Astronomy VII, 26 June 2016 - 29 June 2016, Edinburgh, SCOTLAND).

Copperwheat, CM, Steele, IA, Barnsley, RM, Bates, SD, Bode, MF, Clay, NR, Collins, CA, Jermak, HE, Knapen, JH, Marchant, JM, Mottram, CJ, Piascik, AS and Smith, RJ (2016) Liverpool Telescope 2: beginning the design phase. In: GROUND-BASED AND AIRBORNE TELESCOPES VI , 9906. (Conference on Ground-Based and Airborne Telescopes VI, 26 June 2016 - 01 July 2016, Edinburgh, SCOTLAND).

Thesis

Jermak, HE (2017) Robotic Polarimetry of Blazars. Doctoral thesis, Liverpool John Moores University.