Works about BL Lacertae objects

Results: 571

Bethe–Heitler Cascades and Hard Gamma-Ray Spectra in Flaring TeV Blazars: 1ES 0414009 and 1ES 1959650.

Published in:

Universe (2218-1997), 2025, v. 11, n. 6, p. 177, doi. 10.3390/universe11060177

By:

Bernardo da Silva, Samuel Victor;
Stuani Pereira, Luiz Augusto;
Dos Anjos, Rita de Cássia

Publication type:

Article

Simultaneous Optical-to-X-Ray Spectrum of OJ 287 During Lowest X-Ray State: Synchrotron-Soft Tail and Harder X-Ray Spectrum †.

Published in:

Universe (2218-1997), 2025, v. 11, n. 3, p. 84, doi. 10.3390/universe11030084

By:

Kushwaha, Pankaj

Publication type:

Article

Studying Intra-Night Optical Variability of AGNs Using the TESS Survey Data.

Published in:

Universe (2218-1997), 2024, v. 10, n. 12, p. 434, doi. 10.3390/universe10120434

By:

Yang, Yujian;
Ma, Bo;
Chen, Chen

Publication type:

Article

A Comprehensive Study on the Mid-Infrared Variability of Blazars.

Published in:

Universe (2218-1997), 2024, v. 10, n. 9, p. 360, doi. 10.3390/universe10090360

By:

Zhang, Xuemei;
Hu, Zhipeng;
Huang, Weitian;
Mao, Lisheng

Publication type:

Article

Optical Quasi-Periodic Oscillation of Blazar PKS 1440-389 in the TESS Light Curve.

Published in:

Universe (2218-1997), 2024, v. 10, n. 6, p. 242, doi. 10.3390/universe10060242

By:

Lu, He;
Yi, Tingfeng;
Tang, Yanke;
Wang, Junjie;
Zhang, Shun;
Wang, Liang;
Chen, Yutong;
Shen, Yuncai;
Dong, Liang;
Zhang, Yangwei

Publication type:

Article

Editorial to the Special Issue: "Recent Advances in Gamma Ray Astrophysics and Future Perspectives" †.

Published in:

2024

By:

Romano, Patrizia

Publication type:

Editorial

The Power of Relativistic Jets: A Comparative Study.

Published in:

Universe (2218-1997), 2024, v. 10, n. 4, p. 156, doi. 10.3390/universe10040156

By:

Foschini, Luigi;
Dalla Barba, Benedetta;
Tornikoski, Merja;
Andernach, Heinz;
Marziani, Paola;
Marscher, Alan P.;
Jorstad, Svetlana G.;
Järvelä, Emilia;
Antón, Sonia;
Dalla Bontà, Elena

Publication type:

Article

Unveiling the Emission and Variation Mechanism of Mrk 501: Using the Multi-Wavelength Data at Different Time Scale.

Published in:

Universe (2218-1997), 2024, v. 10, n. 3, p. 114, doi. 10.3390/universe10030114

By:

Liu, Lizhi;
Jiang, Yunguo;
Deng, Junhao;
Chen, Zhaohao;
Ma, Chenli

Publication type:

Article

Gamma-ray Emission and Variability Processes in High-Energy-Peaked BL Lacertae Objects.

Published in:

Universe (2218-1997), 2023, v. 9, n. 7, p. 344, doi. 10.3390/universe9070344

By:

Kapanadze, Bidzina

Publication type:

Article

Detection of a Peculiar Drift in the Nuclear Radio Jet of the TeV Blazar Markarian 501.

Published in:

Universe (2218-1997), 2023, v. 9, n. 3, p. 115, doi. 10.3390/universe9030115

By:

Britzen, Silke;
Krishna, Gopal;
Kun, Emma;
Olivares, Héctor;
Pashchenko, Ilya;
Jaron, Frédéric;
González, Josefa Becerra;
Paneque, David

Publication type:

Article

A New Sample of Gamma-Ray Emitting Jetted Active Galactic Nuclei.

Published in:

Universe (2218-1997), 2022, v. 8, n. 11, p. 587, doi. 10.3390/universe8110587

By:

Foschini, Luigi;
Lister, Matthew L.;
Andernach, Heinz;
Ciroi, Stefano;
Marziani, Paola;
Antón, Sonia;
Berton, Marco;
Dalla Bontà, Elena;
Järvelä, Emilia;
Marchã, Maria J. M.;
Romano, Patrizia;
Tornikoski, Merja;
Vercellone, Stefano;
Vietri, Amelia

Publication type:

Article

Study of Intra-Day Flux Distributions of Blazars Using XMM-Newton Satellite.

Published in:

Universe (2218-1997), 2022, v. 8, n. 11, p. 578, doi. 10.3390/universe8110578

By:

Wani, Kiran;
Gaur, Haritma

Publication type:

Article

A Machine Learning Approach for Predicting Black Hole Mass in Blazars Using Broadband Emission Model Parameters.

Published in:

Universe (2218-1997), 2022, v. 8, n. 10, p. N.PAG, doi. 10.3390/universe8100539

By:

Singh, Krishna Kumar;
Tolamatti, Anilkumar;
Godiyal, Sandeep;
Pathania, Atul;
Yadav, Kuldeep Kumar

Publication type:

Article

The Classification of Blazar Candidates of Uncertain Types.

Published in:

Universe (2218-1997), 2022, v. 8, n. 8, p. 436, doi. 10.3390/universe8080436

By:

Fan, Jun-Hui;
Chen, Ke-Yin;
Xiao, Hu-Bing;
Yang, Wen-Xin;
Liang, Jing-Chao;
Chen, Guo-Hai;
Yang, Jiang-He;
Yuan, Yu-Hai;
Wu, De-Xiang

Publication type:

Article

Nonthermal Radiation of the Extreme TeV Blazar 1ES 0229+200 from Electromagnetic Cascades on Infrared Photon Field.

Published in:

Universe (2218-1997), 2021, v. 7, n. 12, p. 1, doi. 10.3390/universe7120494

By:

Dzhatdoev, Timur;
1,2., Vladimir Galkin;
Podlesnyi, Egor

Publication type:

Article

Astrophysical Neutrinos and Blazars.

Published in:

Universe (2218-1997), 2021, v. 7, n. 12, p. 1, doi. 10.3390/universe7120492

By:

Giommi, Paolo;
Padovani, Paolo

Publication type:

Article

A 6.65-day pseudo-periodicity in OJ 287's flaring in 2023.

Published in:

Journal of the British Astronomical Association, 2024, v. 134, n. 1, p. 33

By:

Kidger, Mark

Publication type:

Article

Variable Star News.

Published in:

Journal of the British Astronomical Association, 2023, v. 133, n. 2, p. 85

By:

Shears, Jeremy

Publication type:

Article

Visual photometry of Markarian 421, 1981-2021.

Published in:

Journal of the British Astronomical Association, 2022, v. 132, n. 2, p. 130

By:

Toone, John

Publication type:

Article

Sky Notes.

Published in:

Journal of the British Astronomical Association, 2021, v. 131, n. 2, p. 124

By:

Herwitt, Nick

Publication type:

Article

Two binocular clusters for starlit nights.

Published in:

Journal of the British Astronomical Association, 2020, v. 130, n. 6, p. 377

By:

Moore, Stewart

Publication type:

Article

Meetings.

Published in:

Journal of the British Astronomical Association, 2020, v. 130, n. 6, p. 376

By:

Dowdell, Alan

Publication type:

Article

SNPP VIIRS Day Night Band: Ten Years of On-Orbit Calibration and Performance.

Published in:

Remote Sensing, 2021, v. 13, n. 20, p. 4179, doi. 10.3390/rs13204179

By:

Chen, Hongda;
Sun, Chengbo;
Xiong, Xiaoxiong;
Sarid, Gal;
Sun, Junqiang

Publication type:

Article

Isolation and characterization of two satellite DNAs in Atlantolacerta andreanskyi (Werner, 1929) (Reptilia, Lacertidae).

Published in:

Journal of Experimental Zoology Part B: Molecular & Developmental Evolution, 2020, v. 334, n. 3, p. 178, doi. 10.1002/jez.b.22937

By:

Giovannotti, Massimo;
S'Khifa, Abderrahim;
Nisi Cerioni, Paola;
Splendiani, Andrea;
Slimani, Tahar;
Fioravanti, Tatiana;
Olmo, Ettore;
Caputo Barucchi, Vincenzo

Publication type:

Article

Snapshot: New window on the gamma-ray Universe.

Published in:

Nature, 2008, v. 454, n. 7208, p. 1038, doi. 10.1038/4541038b

By:

Hand, Eric

Publication type:

Article

Astrophysics: Exhaust inspection.

Published in:

Nature, 2008, v. 452, n. 7190, p. 945, doi. 10.1038/452945b

By:

Meier, David L.

Publication type:

Article

The inner jet of an active galactic nucleus as revealed by a radio-to-γ-ray outburst.

Published in:

Nature, 2008, v. 452, n. 7190, p. 966, doi. 10.1038/nature06895

By:

Marscher, Alan P.;
Jorstad, Svetlana G.;
D’Arcangelo, Francesca D.;
Smith, Paul S.;
Williams, G. Grant;
Larionov, Valeri M.;
Oh, Haruki;
Olmstead, Alice R.;
Aller, Margo F.;
Aller, Hugh D.;
McHardy, Ian M.;
Lähteenmäki, Anne;
Tornikoski, Merja;
Valtaoja, Esko;
Hagen-Thorn, Vladimir A.;
Kopatskaya, Eugenia N.;
Gear, Walter K.;
Tosti, Gino;
Kurtanidze, Omar;
Nikolashvili, Maria

Publication type:

Article

Astrophysics: Photons from a hotter hell.

Published in:

Nature, 2007, v. 448, n. 7155, p. 760, doi. 10.1038/448760a

By:

Weekes, Trevor

Publication type:

Article

A low level of extragalactic background light as revealed by γ-rays from blazars.

Published in:

2006

By:

Aharonian, F.;
Akhperjanian, A. G.;
Bazer-Bachi, A. R.;
Beilicke, M.;
Benbow, W.;
Berge, D.;
Bernlöhr, K.;
Boisson, C.;
Bolz, O.;
Borrel, V.;
Braun, I.;
Breitling, F.;
Brown, A. M.;
Chadwick, P. M.;
Chounet, L.-M.;
Cornils, R.;
Costamante, L.;
Degrange, B.;
Dickinson, H. J.;
Djannati-Ataï, A.

Publication type:

Letter

The Gamma-Ray Sky: Still a Mystery.

Published in:

Mercury, 2010, v. 39, n. 2, p. 11

By:

Wanjek, Christopher

Publication type:

Article

Extreme Universe through the Eyes of Master Global Robotic Net.

Published in:

Astronomy Reports, 2023, v. 67, p. S140, doi. 10.1134/S1063772923140123

By:

Lipunov, V. M.;
Kornilov, V. G.;
Zhirkov, K. K.;
Balanutsa, P. V.;
Antipov, G. A.;
Kuznetsov, A. S.;
Panchenko, I. E.;
Gorbovskoy, E. S.;
Tiurina, N. V.;
Vlasenko, D. M.;
Chasovnikov, A. R.;
Topolev, V. V.;
Sosnovskij, A. A.;
Buckley, D. A. H.;
Francile, C.;
Podesta, R.;
Podesta, F.;
Rebolo, R.;
Sierra-Ricart, M.;
Budnev, N. M.

Publication type:

Article

Extreme Universe through the Eyes of Master Global Robotic Net.

Published in:

Astronomy Reports, 2023, v. 67, p. S140, doi. 10.1134/S1063772923140123

By:

Lipunov, V. M.;
Kornilov, V. G.;
Zhirkov, K. K.;
Balanutsa, P. V.;
Antipov, G. A.;
Kuznetsov, A. S.;
Panchenko, I. E.;
Gorbovskoy, E. S.;
Tiurina, N. V.;
Vlasenko, D. M.;
Chasovnikov, A. R.;
Topolev, V. V.;
Sosnovskij, A. A.;
Buckley, D. A. H.;
Francile, C.;
Podesta, R.;
Podesta, F.;
Rebolo, R.;
Sierra-Ricart, M.;
Budnev, N. M.

Publication type:

Article

Periods of the Long-Term Variability of the Blazar 0716+714 and Their Inter-Correlations in a Helical Jet Model.

Published in:

Astronomy Reports, 2018, v. 62, n. 10, p. 654, doi. 10.1134/S1063772918100037

By:

Butuzova, M. S.

Publication type:

Article

Long-Term and Rapid Radio Variability of the Blazar 3C 454.3 in 2010-2017.

Published in:

Astronomy Reports, 2018, v. 62, n. 3, p. 183, doi. 10.1134/S1063772918030046

By:

Gorshkov, A. G.;
Ipatov, A. V.;
Ipatova, I. A.;
Konnikova, V. K.;
Mardyshkin, V. V.;
Mingaliev, M. G.;
Kharinov, M. A.

Publication type:

Article

Variations of the Blazar AO 0235+164 in 2006-2015.

Published in:

Astronomy Reports, 2018, v. 62, n. 2, p. 103, doi. 10.1134/S106377291802004X

By:

Hagen-Thorn, V. A.;
Larionov, V. M.;
Morozova, D. A.;
Arkharov, A. A.;
Hagen-Thorn, E. I.;
Shablovinskaya, E. S.;
Prokop'eva, M. S.;
Yakovleva, V. A.

Publication type:

Article

Geometrical and Kinematic Parameters of the Jet of the Blazar S5 0716+71 in a Helical-Jet Model.

Published in:

Astronomy Reports, 2018, v. 62, n. 2, p. 116, doi. 10.1134/S1063772918020038

By:

Butuzova, M. S.

Publication type:

Article

An unusually prolonged outburst in the blazar 3C 454.3.

Published in:

Astronomy Reports, 2017, v. 61, n. 11, p. 954, doi. 10.1134/S1063772917110075

By:

Vol'vach, A.;
Larionov, M.;
Vol'vach, L.;
Larionov, G.

Publication type:

Article

Long-term monitoring of the blazars AO 0235+164 and S5 0716+714 in the optical and radio ranges.

Published in:

Astronomy Reports, 2015, v. 59, n. 9, p. 851, doi. 10.1134/S1063772915080016

By:

Bychkova, V.;
Vol'vach, A.;
Kardashev, N.;
Larionov, M.;
Vlasyuk, V.;
Spiridonova, O.;
Vol'vach, L.;
Lähteenmäki, A.;
Tornikoski, M.;
Aller, M.;
Aller, H.

Publication type:

Article

Optical variability of the blazar S4 0954+658 in 2008-2012.

Published in:

Astronomy Reports, 2015, v. 59, n. 6, p. 551, doi. 10.1134/S1063772915050030

By:

Hagen-Thorn, V.;
Larionov, V.;
Arkharov, A.;
Hagen-Thorn, E.;
Blinov, D.;
Morozova, D.;
Troitskaya, Yu.;
Takalo, L.;
Sillanpyää, A.

Publication type:

Article

Long-term observations of the blazar 1ES 1426+428 with the GT-48 Cerenkov telescope.

Published in:

Astronomy Reports, 2015, v. 59, n. 3, p. 175, doi. 10.1134/S1063772915020079

By:

Strigunov, K.;
Zhovtan, A.

Publication type:

Article

Long-term, multi-frequency monitoring of the blazar S0528+134 (Nimfa).

Published in:

Astronomy Reports, 2014, v. 58, n. 2, p. 71, doi. 10.1134/S1063772914010065

By:

Vol'vach, A.;
Kutkin, A.;
Larionov, M.;
Vol'vach, L.;
Lakhteenmaki, A.;
Tornikoski, M.;
Tammi, J.;
Savolainen, P.;
Aller, M.;
Aller, H.;
Sasada, M.

Publication type:

Article

Variability of the blazar 3C 454.3 during 2007-2010.

Published in:

Astronomy Reports, 2013, v. 57, n. 10, p. 726, doi. 10.1134/S106377291310003X

By:

Hagen-Thorn, V.;
Larionov, V.;
Blinov, D.;
Arkharov, A.;
Hagen-Thorn, E.;
Borisova, E.;
Takalo, L.;
Sillanpää, A.

Publication type:

Article

Flux-density variability of the blazar S5 1803+784 (J1800+7828) on a timescale of a month.

Published in:

Astronomy Reports, 2013, v. 57, n. 5, p. 338, doi. 10.1134/S1063772913040045

By:

Gorshkov, A.;
Konnikova, V.;
Mingaliev, M.;
Erkenov, A.

Publication type:

Article

A prolonged flare in the blazar 3C 454.3.

Published in:

Astronomy Reports, 2013, v. 57, n. 1, p. 46, doi. 10.1134/S1063772912120098

By:

Vol'vach, A.;
Kutkin, A.;
Larionov, M.;
Vol'vach, L.;
Lahteenmaki, A.;
Tornikoski, M.;
Tammi, J.;
Léon-Tavares, J.;
Järvelä, E.;
Aller, M.;
Aller, H.

Publication type:

Article

Polarization structure of 12 gamma-ray quasars at 5 and 15 GHz.

Published in:

Astronomy Reports, 2012, v. 56, n. 12, p. 931, doi. 10.1134/S1063772912120074

By:

Vetukhnovskaya, Yu.;
Gabuzda, D.

Publication type:

Article

The long-term color variability of the BL Lac object OQ 530.

Published in:

Astronomy Reports, 2011, v. 55, n. 12, p. 1074, doi. 10.1134/S106377291112002X

By:

Zhang, Bing-Kai;
Zhang, Kai-Yin;
Yu, Li-Zhi;
Dai, Ben-Zhong;
Zhang, Li;
Zha, Min;
Cao, Zhen

Publication type:

Article

Optical variability of the blazar OJ 287 in 2005-2009.

Published in:

Astronomy Reports, 2011, v. 55, n. 12, p. 1078, doi. 10.1134/S1063772911120031

By:

Blinov, D.;
Hagen-Thorn, V.;
Hagen-Thorn, E.;
Takalo, L.;
Sillanpää, A.

Publication type:

Article

Rapid variability of the radio flux density of the blazar J0721+7120 (S5 0716+714) in 2010.

Published in:

Astronomy Reports, 2011, v. 55, n. 12, p. 1096, doi. 10.1134/S1063772911120043

By:

Gorshkov, A.;
Ipatov, A.;
Konnikova, V.;
Lähteenmäki, A.;
Mardyshkin, V.;
Mingaliev, M.;
Nieppola, E.;
Tammi, J.;
Finkel'shtein, A.;
Kharinov, M.

Publication type:

Article

Color variability of BL Lac in 2002-2008.

Published in:

Astronomy Reports, 2011, v. 55, n. 11, p. 1000, doi. 10.1134/S1063772911110035

By:

Hagen-Thorn, V.;
Blinov, D.;
Hagen-Thorn, E.

Publication type:

Article

Multi-frequency studies of the non-stationary radiation of the blazar 3C 454.3.

Published in:

Astronomy Reports, 2011, v. 55, n. 7, p. 608, doi. 10.1134/S1063772911070092

By:

Vol'vach, A.;
Vol'vach, L.;
Kut'kin, A.;
Larionov, M.;
Villata, M.;
Panteri, K.;
Lahteenmaki, A.;
Tornikoski, M.;
Savolainen, P.;
Tammi, G.;
Aller, A.;
Aller, H.;
Sergeev, S.;
Doroshenko, V.;
Efimov, Yu.;
Klimanov, S.;
Nazarov, S.;
Borman, G.;
Pushkarev, A.;
Zhdanov, V.

Publication type:

Article