• Metsähovi Radio Observatory Metsähovintie 114

20062020

Research output per year

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Research Output

  • 66 Article
  • 11 Conference contribution
  • 1 Conference article
  • 1 Other contribution
2020

Solar polarization observations at 3 and 13 mm

Kallunki, J., Tornikoski, M., Kirves, P., Oinaskallio, E., Aatrokoski, J., Mujunen, A. & Tammi, J., 2020, In : Astronomische Nachrichten. 341, 1, p. 118-124 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Study of the variable broadband emission of Markarian 501 during the most extreme Swift X-ray activity

MAGIC Collaboration, Lähteenmäki, A., Tornikoski, M. & Tammi, J., 1 Jan 2020, (Accepted/In press) In : Astronomy & Astrophysics.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies

Abeysekara, A. U., Benbow, W., Bird, R., Brill, A., Brose, R., Buchovecky, M., Buckley, J. H., Christiansen, J. L., Chromey, A. J., Daniel, M. K., Dumm, J., Falcone, A., Feng, Q., Finley, J. P., Fortson, L., Furniss, A., Galante, N., Gent, A., Gillanders, G. H., Giuri, C. & 239 others, Gueta, O., Hassan, T., Hervet, O., Holder, J., Hughes, G., Humensky, T. B., Johnson, C. A., Kaaret, P., Kar, P., Kelley-Hoskins, N., Kertzman, M., Kieda, D., Krause, M., Krennrich, F., Kumar, S., Lang, M. J., Moriarty, P., Mukherjee, R., Nelson, T., Nieto, D., Nievas Rosillo, M., O'Brien, S., Ong, R. A., Otte, A. N., Park, N., Petrashyk, A., Pichel, A., Pohl, M., Prado, R. R., Pueschel, E., Quinn, J., Ragan, K., Reynolds, P. T., Richards, G. T., Roache, E., Rovero, A. C., Rulten, C., Sadeh, I., Santander, M., Sembroski, G. H., Shahinyan, K., Stevenson, B., Sushch, I., Tyler, J., Vassiliev, V. V., Wakely, S. P., Weinstein, A., Wells, R. M., Wilcox, P., Wilhelm, A., Williams, D. A., Zitzer, B., Acciari, V. A., Ansoldi, S., Antonelli, L. A., Arbet Engels, A., Baack, D., Babić, A., Banerjee, B., Barres De Almeida, U., Barrio, J. A., Becerra González, J., Bednarek, W., Bellizzi, L., Bernardini, E., Berti, A., Besenrieder, J., Bhattacharyya, W., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Busetto, G., Carosi, R., Ceribella, G., Chai, Y., Cikota, S., Colak, S. M., Colin, U., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D'Elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., Delfino, M., Delgado, J., Di Pierro, F., Do Souto Espiñera, E., Dominis Prester, D., Dorner, D., Doro, M., Einecke, S., Elsaesser, D., Fallah Ramazani, V., Fattorini, A., Fernández-Barral, A., Ferrara, G., Fidalgo, D., Foffano, L., Fonseca, M. V., Font, L., Fruck, C., Galindo, D., Gallozzi, S., García López, R. J., Garczarczyk, M., Gasparyan, S., Gaug, M., Godinović, N., Green, D., Guberman, D., Hadasch, D., Hahn, A., Herrera, J., Hoang, J., Hrupec, D., Inoue, S., Ishio, K., Iwamura, Y., Kubo, H., Kushida, J., Lamastra, A., Lelas, D., Leone, F., Lindfors, E., Lombardi, S., Longo, F., López, M., López-Coto, R., López-Oramas, A., Machado De Oliveira Fraga, B., Maggio, C., Majumdar, P., Makariev, M., Mallamaci, M., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Masuda, S., Mazin, D., Miceli, D., Minev, M., Miranda, J. M., Mirzoyan, R., Molina, E., Moralejo, A., Morcuende, D., Moreno, V., Moretti, E., Munar-Adrover, P., Neustroev, V., Niedzwiecki, A., Nievas Rosillo, M., Nigro, C., Nilsson, K., Ninci, D., Nishijima, K., Noda, K., Nogués, L., Nöthe, M., Paiano, S., Palacio, J., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Peñil, P., Peresano, M., Persic, M., Prada Moroni, P. G., Prandini, E., Puljak, I., Rhode, W., Ribó, M., Rico, J., Righi, C., Rugliancich, A., Saha, L., Sahakyan, N., Saito, T., Satalecka, K., Schweizer, T., Sitarek, J., Šnidarić, I., Sobczynska, D., Somero, A., Stamerra, A., Strom, D., Strzys, M., Sun, S., Surić, T., Tavecchio, F., Temnikov, P., Terzić, T., Teshima, M., Torres-Alba, N., Tsujimoto, S., Van Scherpenberg, J., Vanzo, G., Vazquez Acosta, M., Vovk, I., Will, M., Zarić, D., Aller, H. D., Aller, M. F., Carini, M. T., Horan, D., Jordan, B., Jorstad, S. G., Kurtanidze, O. M., Kurtanidze, S. O., Lahteenmaki, A., Larionov, V. M., Larionova, E. G., Madejski, G., Marscher, A. P., Max-Moerbeck, W., Moody, J. W., Morozova, D. A., Nikolashvili, M. G., Raiteri, C. M., Readhead, A. C. S., Richards, J. L., Sadun, A. C., Sakamoto, T., Sigua, L. A., Smith, P. S., Talvikki, H., Tammi, J., Tornikoski, M., Troitsky, I. S. & Villata, M., 20 Feb 2020, In : Astrophysical Journal. 890, 2, 97.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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1 Citation (Scopus)
34 Downloads (Pure)

Unravelling the complex behavior of Mrk 421 with simultaneous X-ray and VHE observations during an extreme flaring activity in April 2013

MAGIC Collaboration, Hovatta, T., Lähteenmäki, A., Tornikoski, M., Tammi, J. & Ramakrishnan, V., 1 Jan 2020, (Accepted/In press) In : Astronomy & Astrophysics.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
2019

Cosmological Evolution of Quasar Radio Emission in the View of Multifractality

Belete, A. B., Femmam, S., Tornikoski, M., Lahteenmaki, A., Tammi, J., Leao, I. C., Martins, B. L. C. & De Medeiros, J. R., 10 Mar 2019, In : Astrophysical Journal. 873, 2, 19 p., 108.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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2 Citations (Scopus)
106 Downloads (Pure)

Flare Activity of Blazar AO 0235+164

Volvach, A. E., Volvach, L. N., Larionov, M. G., Lähteenmäki, A., Tornikoski, M., Tammi, J., Järvelä, E., Vera, R. J. C., Chamani, W. & Enestam, S., 1 Mar 2019, In : Cosmic Research. 57, 2, p. 85-90 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
26 Downloads (Pure)

Long term variability and correlation study of the blazar 3C 454.3 in radio, NIR and optical wavebands

Sarkar, A., Chitnis, V. R., Gupta, A. C., Gaur, H., Patel, S. R., Wiita, P. J., Volvach, A. E., Tornikoski, M., Chamani Velasco, W., Enestam, S., Lähteenmäki, A., Tammi, J., Vera Rodríguez, R. & Volvach, L. N., 20 Dec 2019, In : Astrophysical Journal. 887, 2, 185.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
37 Downloads (Pure)
2018

Characteristics of the Flare Phenomenon in Blazar AO0235+164 in Gamma, Optical, and Radio Bands

Bychkova, V. S., Volvach, A. E., Volvach, L. N., Kardashev, N. S., Larionov, M. G., Vlasyuk, V. V., Spiridonova, O. I., Lähteenmäki, A., Tornikoski, M., Tammi, J., Järvelä, E., Vera, R. J. C., Chamani, W. & Enestam, S., 1 Jul 2018, In : Astrophysical Bulletin. 73, 3, p. 293-297 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Detection of persistent VHE gamma-ray emission from PKS 1510-089 by the MAGIC telescopes during low states between 2012 and 2017

MAGIC Collaboration, Tornikoski, M., Lähteenmäki, A., Tammi, J. & Ramakrishnan, V., 2018, In : Astronomy and Astrophysics. 619, 12 p., A159.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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6 Citations (Scopus)
76 Downloads (Pure)

Extreme HBL behavior of Markarian 501 during 2012

MAGIC Collaboration, 1 Dec 2018, In : Astronomy and Astrophysics. 620, A181.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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14 Citations (Scopus)
117 Downloads (Pure)

Far-infrared photometry of OJ 287 with the Herschel Space Observatory

Kidger, M., Zola, S., Valtonen, M., Lähteenmäki, A., Järvelä, E., Tornikoski, M., Tammi, J., Liakos, A. & Poyner, G., 1 Feb 2018, In : Astronomy and Astrophysics. 610, 7 p., A74.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
1 Citation (Scopus)
137 Downloads (Pure)

Forty years of solar radio observations at Metsähovi Radio Observatory

Kallunki, J., Tornikoski, M., Tammi, J., Kinnunen, E., Korhonen, K., Kesäläinen, S. & Arkko, O., 1 Feb 2018, In : Astronomische Nachrichten. 339, 2-3, p. 204-211 8 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Millimetri, senttimetri, desimetri, metri

Tammi, J., Apr 2018, In : Tähdet ja Avaruus. 3, p. 49-49 1 p.

Research output: Contribution to journalArticleGeneral public

Radio jets and gamma-ray emission in radio-silent narrow-line Seyfert 1 galaxies

Lähteenmäki, A., Järvelä, E., Ramakrishnan, V., Tornikoski, M., Tammi, J., Vera, R. J. C. & Chamani, W., 1 Jun 2018, In : Astronomy and Astrophysics. 614, 6 p., L1.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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16 Citations (Scopus)
125 Downloads (Pure)

Solar observing system for radio frequencies 5–120 MHz

Kallunki, J., Tornikoski, M., Oinaskallio, E., Kirves, P., Aatrokoski, J., Mujunen, A. & Tammi, J., 1 Nov 2018, In : Astronomische Nachrichten. 339, 9-10, p. 656-660 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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8 Downloads (Pure)

The broad-band properties of the intermediate synchrotron peaked BL Lac S2 0109+22 from radio to VHE gamma-rays

MAGIC Collaboration, Lähteenmäki, A., Tammi, J. & Tornikoski, M., 11 Oct 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 1, p. 879-892 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
2 Citations (Scopus)
69 Downloads (Pure)
2017

37 GHz observations of narrow-line Seyfert 1 galaxies

Lähteenmäki, A., Järvelä, E., Hovatta, T., Tornikoski, M., Harrison, D. L., López-Caniego, M., Max-Moerbeck, W., Mingaliev, M., Pearson, T. J., Ramakrishnan, V., Readhead, A. C. S., Reeves, R. A., Richards, J. L., Sotnikova, Y. & Tammi, J., 1 Jul 2017, In : Astronomy and Astrophysics. 603, 26 p., A100.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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20 Citations (Scopus)
241 Downloads (Pure)

Blazar spectral variability as explained by a twisted inhomogeneous jet

Raiteri, C. M., Villata, M., Acosta-Pulido, J. A., Agudo, I., Arkharov, A. A., Bachev, R., Baida, G. V., Benitez, E., Borman, G. A., Boschin, W., Bozhilov, V., Butuzova, M. S., Calcidese, P., Carnerero, M. I., Carosati, D., Casadio, C., Castro-Segura, N., Chen, W. -P., Damljanovic, G., D'Ammando, F. & 66 others, Di Paola, A., Echevarria, J., Efimova, N. V., Ehgamberdiev, S. A., Espinosa, C., Fuentes, A., Giunta, A., Gomez, J. L., Grishina, T. S., Gurwell, M. A., Hiriart, D., Jermak, H., Jordan, B., Jorstad, S. G., Joshi, M., Kopatskaya, E. N., Kuratov, K., Kurtanidze, O. M., Kurtanidze, S. O., Lähteenmaki, A., Larionov, V. M., Larionova, E. G., Larionova, L. V., Lazaro, C., Lin, C. S., Malmrose, M. P., Marscher, A. P., Matsumoto, K., McBreen, B., Michel, R., Mihov, B., Minev, M., Mirzaqulov, D. O., Mokrushina, A. A., Molina, S. N., Moody, J. W., Morozova, D. A., Nazarov, S. V., Nikolashvili, M. G., Ohlert, J. M., Okhmat, D. N., Ovcharov, E., Pinna, F., Polakis, T. A., Protasio, C., Pursimo, T., Redondo-Lorenzo, F. J., Rizzi, N., Rodriguez-Coira, G., Sadakane, K., Sadun, A. C., Samal, M. R., Savchenko, S. S., Semkov, E., Skiff, B. A., Slavcheva-Mihova, L., Smith, P. S., Steele, I. A., Strigachev, A., Tammi, J., Thum, C., Tornikoski, M., Troitskaya, Y. V., Troitsky, I. S., Vasilyev, A. A. & Vince, O., 21 Dec 2017, In : Nature. 552, 7685, p. 374-377 13 p.

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Kinematics of Parsec-scale Jets of Gamma-Ray Blazars at 43 GHz within the VLBA-BU-BLAZAR Program

Jorstad, S. G., Marscher, A. P., Morozova, D. A., Troitsky, I. S., Agudo, I., Casadio, C., Foord, A., Gómez, J. L., MacDonald, N. R., Molina, S. N., Lähteenmäki, A., Tammi, J. & Tornikoski, M., 2017, In : Astrophysical Journal. 846, 2, 35 p., 98.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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80 Citations (Scopus)
126 Downloads (Pure)

Simultaneous spectra and radio properties of BL Lacs

Mingaliev, M., Sotnikova, Y., Mufakharov, T. V., Nieppola, E., Tornikoski, M., Tammi, J., Lähteenmäki, A., Udovitskiy, R. Y. & Erkenov, A. K., 24 Aug 2017, In : Astronomische Nachrichten. 338, 6, p. 700–714 15 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
2016

GPS Time Disruptions on 26-Jan-2016

Mujunen, A., Aatrokoski, J., Tornikoski, M. & Tammi, J., 2016, 15 p. Aalto University.

Research output: Other contributionScientific

Open Access

Insights into the emission of the blazar 1ES 1011+496 through unprecedented broadband observations during 2011 and 2012

Aleksić, J., Ansoldi, S., Antonelli, L. A., Antoranz, P., Arcaro, C., Babic, A., Bangale, P., Barres De Almeida, U., Barrio, J. A., Becerra González, J., Bednarek, W., Bernardini, E., Biasuzzi, B., Biland, A., Blanch, O., Bonnefoy, S., Bonnoli, G., Borracci, F., Bretz, T., Carmona, E. & 144 others, Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., Da Vela, P., Dazzi, F., De Angelis, A., De Caneva, G., De Lotto, B., De Oña Wilhelmi, E., Delgado Mendez, C., Di Pierro, F., Dominis Prester, D., Dorner, D., Doro, M., Einecke, S., Eisenacher, D., Elsaesser, D., Fernández-Barral, A., Fidalgo, D., Fonseca, M. V., Font, L., Frantzen, K., Fruck, C., Galindo, D., García López, R. J., Garczarczyk, M., Garrido Terrats, D., Gaug, M., Godinović, N., González Muñoz, A., Gozzini, S. R., Hadasch, D., Hanabata, Y., Hayashida, M., Herrera, J., Hose, J., Hrupec, D., Idec, W., Kadenius, V., Kellermann, H., Knoetig, M. L., Kodani, K., Konno, Y., Krause, J., Kubo, H., Kushida, J., La Barbera, A., Lelas, D., Lewandowska, N., Lindfors, E., Lombardi, S., Longo, F., López, M., López-Coto, R., López-Oramas, A., Lorenz, E., Lozano, I., Makariev, M., Mallot, K., Maneva, G., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Martínez, M., Mazin, D., Menzel, U., Miranda, J. M., Mirzoyan, R., Moralejo, A., Munar-Adrover, P., Nakajima, D., Neustroev, V., Niedzwiecki, A., Nievas Rosillo, M., Nilsson, K., Nishijima, K., Noda, K., Orito, R., Overkemping, A., Paiano, S., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Paredes-Fortuny, X., Persic, M., Poutanen, J., Prada Moroni, P. G., Prandini, E., Puljak, I., Reinthal, R., Rhode, W., Ribó, M., Rico, J., Rodriguez Garcia, J., Saito, T., Saito, K., Satalecka, K., Scalzotto, V., Scapin, V., Schweizer, T., Shore, S. N., Sillanpää, A., Sitarek, J., Snidaric, I., Sobczynska, D., Stamerra, A., Steinbring, T., Strzys, M., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzić, T., Tescaro, D., Teshima, M., Thaele, J., Torres, D. F., Toyama, T., Treves, A., Vogler, P., Will, M., Zanin, R., Buson, S., D'Ammando, F., Lähteenmäki, A., Hovatta, T., Kovalev, Y. Y., Lister, M. L., Max-Moerbeck, W., Mundell, C., Pushkarev, A. B., Rastorgueva-Foi, E., Readhead, A. C. S., Richards, J. L., Tammi, J., Sanchez, D. A., Tornikoski, M., Savolainen, T. & Steele, I., 2016, In : Astronomy and Astrophysics. 591, 14 p., A10.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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8 Citations (Scopus)
94 Downloads (Pure)

Maailmankaikkeus - uhka vai mahdollisuus?

Tammi, J., Sep 2016, In : Tähdet ja Avaruus. 6, p. 57-57 1 p.

Research output: Contribution to journalArticleGeneral public

Multiwavelength Study of Quiescent States of Mrk 421 with Unprecedented Hard X-Ray Coverage Provided by NuSTAR in 2013

MAGIC Collaboration, Mar 2016, In : Astrophysical Journal. 819, 2, 30 p., 156.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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47 Citations (Scopus)
241 Downloads (Pure)

Nonlinear synchrotron self-Compton modelling of blazars

Anjum, M. S. & Tammi, J., 10 Jun 2016, Aerospace Science and Engineering (ICASE), 2015 Fourth International Conference on. IEEE, 8 p. 7489524

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Planck intermediate results. XLV. Radio spectra of northern extragalactic radio sources

Planck Collaboration, Ade, P. A. R., Aghanim, N., Aller, H. D., Aller, M. F., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Lévy, A., Bernard, J-P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R. & 167 others, Borrill, J., Bouchet, F. R., Burigana, C., Calabrese, E., Catalano, A., Chiang, H. C., Christensen, P. R., Clements, D. L., Colombo, L. P. L., Couchot, F., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouille, J., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Doré, O., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Eriksen, H. K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Galeotta, S., Galli, S., Ganga, K., Giard, M., Giraud-Héraud, Y., Gjerløw, E., González-Nuevo, J., Górski, K. M., Gruppuso, A., Gurwell, M. A., Hansen, F. K., Harrison, D. L., Henrot-Versillé, S., Hernández-Monteagudo, C., Hildebrandt, S. R., Hobson, M., Hornstrup, A., Hovatta, T., Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Järvelä, E., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lähteenmäki, A., Lamarre, J-M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, M., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Martin, P. G., Martínez-González, E., Masi, S., Matarrese, S., Max-Moerbeck, W., Meinhold, P. R., Melchiorri, A., Mennella, A., Migliaccio, M., Mingaliev, M., Miville-Deschênes, M-A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Nati, F., Natoli, P., Nieppola, E., Noviello, F., Novikov, D., Novikov, I., Pagano, L., Pajot, F., Paoletti, D., Partridge, B., Pasian, F., Pearson, T. J., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., Polenta, G., Pratt, G. W., Ramakrishnan, V., Rastorgueva-Foi, E. A., S Readhead, A. C., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Richards, J. L., Ristorcelli, I., Rocha, G., Rossetti, M., Roudier, G., Rubiño-Martín, J. A., Rusholme, B., Sandri, M., Savelainen, M., Savini, G., Scott, D., Sotnikova, Y., Stolyarov, V., Sunyaev, R., Sutton, D., Suur-Uski, A-S., Sygnet, J-F., Tammi, J., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tornikoski, M., Tristram, M., Tucci, M., Türler, M., Valenziano, L., Valiviita, J., Valtaoja, E., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wehrle, A. E., Wehus, I. K., Yvon, D., Zacchei, A. & Zonca, A., 2016, In : Astronomy & Astrophysics. 596, A106.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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175 Downloads (Pure)

Supporting reflective learning with online tools

Kiviluoma, P., Lähteenmäki, A. & Tammi, J., 2016, Proceedings of the Conference SEFI 2016: Engineering Education on Top of the World: Industry University Cooperation. SEFI - European Society For Engineering Education, 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2015

Connection between parsec-scale radio jet and gamma-ray flares in the blazar 1156+295

Ramakrishnan, V., Leon Tavares, J., Rastorgueva-Foi, E. A., Wiik, K., Jorstad, S. G., Marscher, A. P., Tornikoski, M., Agudo, I., Lähteenmäki, A., Valtaoja, E., Aller, M. F., Blinov, D. A., Casadio, C., Efimova, N. V., Gurwell, M. A., Gómez, J. L., Hagen-Thorn, V. A., Joshi, M., Järvelä, E., Konstantinova, T. S. & 13 others, Kopatskaya, E. N., Larionov, V. M., Larionova, E. G., Larionova, L. V., Lavonen, N., MacDonald, N. R., McHardy, I. M., Molina, S. N., Morozova, D. A., Nieppola, E., Tammi, J., Taylor, B. W. & Troitsky, I. S., 2015, 12th European VLBI Network Symposium, Cagliari, Italy, Oct 2014. Scuola Internazionale Superiore di Studi Avanzati (S I S S A), 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

First NuSTAR Observations of Mrk 501 within a Radio to TeV Multi-Instrument Campaign

MAGIC Collaboration, Oct 2015, In : Astrophysical Journal. 812, 1, p. 65

Research output: Contribution to journalArticleScientificpeer-review

37 Citations (Scopus)

Properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies

Foschini, L., Berton, M., Caccianiga, A., Ciroi, S., Cracco, V., Peterson, B. M., Angelakis, E., Braito, V., Fuhrmann, L., Gallo, L., Grupe, D., Järvelä, E., Kaufmann, S., Komossa, S., Kovalev, Y. Y., Lähteenmäki, A., Lisakov, M. M., Lister, M. L., Mathur, S., Richards, J. L. & 10 others, Romano, P., Sievers, A., Tagliaferri, G., Tammi, J., Tibolla, O., Tornikoski, M., Vercellone, S., La Mura, G., Maraschi, L. & Rafanelli, P., 2015, In : Astronomy and Astrophysics. 575, 1, p. p. A13

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24 Citations (Scopus)
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The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies

MAGIC Collaboration, 2015, In : Astronomy and Astrophysics. 576, p. p. A126

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The WEBT campaign on the BL Lac object PG 1553+113 in 2013. An analysis of the enigmatic synchrotron emission

Raiteri, C. M., Stamerra, A., Villata, M., Larionov, V. M., Acosta-Pulido, J. A., Arévalo, M. J., Arkharov, A. A., Bachev, R., Benítez, E., Bozhilov, V. V., Borman, G. A., Buemi, C. S., Calcidese, P., Carnerero, M. I., Carosati, D., Chigladze, R. A., Damljanovic, G., Di Paola, A., Doroshenko, V. T., Efimova, N. V. & 42 others, Ehgamberdiev, S. A., Giroletti, M., González-Morales, P. A., Grinon-Marin, A. B., Grishina, T. S., Hiriart, D., Ibryamov, S., Klimanov, S. A., Kopatskaya, E. N., Kurtanidze, O. M., Kurtanidze, S. O., Kurtenkov, A. A., Larionova, L. V., Larionova, E. G., Lázaro, C., Lähteenmäki, A., Leto, P., Markovic, G., Mirzaqulov, D. O., Mokrushina, A. A., Morozova, D. A., Mújica, R., Nazarov, S. V., Nikolashvili, M. G., Ohlert, J. M., Ovcharov, E. P., Paiano, S., Pastor Yabar, A., Prandini, E., Ramakrishnan, V., Sadun, A. C., Semkov, E., Sigua, L. A., Strigachev, A., Tammi, J., Tornikoski, M., Trigilio, C., Troitskaya, Y. V., Troitsky, I. S., Umana, G., Velasco, S. & Vince, O., Nov 2015, In : Monthly Notices of the Royal Astronomical Society. 454, 1, p. 353-367

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16 Citations (Scopus)
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2014

Connection between parsec-scale radio jet and gamma-ray flares in the blazar 1156+295

Ramakrishnan, V., León-Tavares, J., Rastorgueva-Foi, E. A., Wiik, K., Jorstad, S. G., Marscher, A. P., Tornikoski, M., Agudo, I., Lähteenmäki, A., Valtaoja, E., Aller, M. F., Blinov, D. A., Casadio, C., Efimova, N. V., Gurwell, M. A., Gómez, J. L., Hagen-Thorn, V. A., Joshi, M., Järvelä, E., Konstantinova, T. S. & 13 others, Kopatskaya, E. N., Larionov, V. M., Larionova, E. G., Larionova, L. V., Lavonen, N., MacDonald, N. R., McHardy, I. M., Molina, S. N., Morozova, D. A., Nieppola, E., Tammi, J., Taylor, B. W. & Troitsky, I. S., 1 Jan 2014, In : Proceedings of Science. 015.

Research output: Contribution to journalConference articleScientificpeer-review

Havaintoja paljaalla mutta kriittisellä silmällä

Tammi, J., 2014, In : Tähdet ja Avaruus. 5, p. 69

Research output: Contribution to journalArticleGeneral public

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

"Vol'vach", A. E., Kutkin, A. M., Larionov, M. G., "Vol'vach", L. N., Lahteenmaki, A., Tornikoski, M., Tammi, J., Savolainen, P., Aller, M. F., Aller, H. D. & Sasada, M., 2014, In : Astronomy Reports. 58, 2, p. 71-77

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

MAGIC gamma-ray and multi-frequency observations of flat spectrum radio quasar PKS 1510-089 in early 2012

MAGIC Collaboration, 2014, In : Astronomy and Astrophysics. 569, 21 p., A46.

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56 Citations (Scopus)
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MAGIC observations and multifrequency properties of the flat spectrum radio quasar 3C 279 in 2011

Aleksic, J., Ansoldi, S., Antonelli, L. A., Lähteenmäki, A. & Tammi, J., 2014, In : Astronomy and Astrophysics. 567, A41.

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16 Citations (Scopus)
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The connection between the parsec-scale radio jet and gamma-ray flares in the blazar 1156+295

Ramakrishnan, V., León-Tavares, J., Rastorgueva-Foi, E. A., Wiik, K., Jorstad, S. G., Marscher, A. P., Tornikoski, M., Agudo, I., Lähteenmäki, A., Valtaoja, E., Aller, M. F., Blinov, D. A., Casadio, C., Efimova, N. V., Gurwell, M. A., Gómez, J. L., Hagen-Thorn, V. A., Joshi, M., Järvelä, E., Konstantinova, T. S. & 13 others, Kopatskaya, E. N., Larionov, V. M., Larionova, E. G., Larionova, L. V., Lavonen, N., MacDonald, N. R., McHardy, I. M., Molina, S. N., Morozova, D. A., Nieppola, E., Tammi, J., Taylor, B. W. & Troitsky, I. S., 2014, In : Monthly Notices of the Royal Astronomical Society. 445, 2

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14 Citations (Scopus)
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The Outburst of the Blazar S4 0954+658 in 2011 March-April

Morozova, D. A., Larionov, V. M., Troitsky, I. S., Jorstad, S. G., Marscher, A. P., Gómez, J. L., Blinov, D. A., Efimova, N. V., Hagen-Thorn, V. A., Hagen-Thorn, E. I., Joshi, M., Konstantinova, T. S., Kopatskaya, E. N., Larionova, L. V., Larionova, E. G., Lähteenmäki, A., Tammi, J., Rastorgueva-Foi, E., McHardy, I., Tornikoski, M. & 5 others, Agudo, I., Casadio, C., Molina, S. N., Volvach, A. E. & Volvach, L. N., 2014, In : Astrophysical Journal. 148, 3

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22 Citations (Scopus)
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2013

A prolonged flare in the blazar 3C 454.3

"Vol'vach", A. E., Kutkin, A. M., Larionov, M. G., "Vol'vach", L. N., Lahteenmaki, A., Tornikoski, M., Tammi, J., Léon-Tavares, J., Järvelä, E., Aller, M. F. & Aller, H. D., 2013, In : Astronomy Reports. 57, 1, p. 46-51

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Basic properties of Narrow-Line Seyfert 1 Galaxies with relativistic jets

Foschini, L., Angelakis, E., Bonnoli, G., Braito, V., Caccianiga, A., Fuhrmann, L., Gallo, L., Ghirlanda, G., Ghisellini, G., Grupe, D., Hamilton, T., Kaufmann, S., Komossa, S., Kovalev, Y. Y., Lähteenmäki, A., Lister, M. L., Mannheim, K., Maraschi, L., Mathur, S., Peterson, B. M. & 8 others, Romano, P., Severgnini, P., Tagliaferri, G., Tammi, J., Tavecchio, F., Tibolla, O., Tornikoski, M. & Vercellone, S., 2013, In : MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA. 84, 731, p. 731-732

Research output: Contribution to journalArticleScientific

Bottom-up modelling of active galactic nuclei: Using radio observations to understand gamma-ray flaring in relativistic jets from supermassive black holes.

Tammi, J., 2013, XXXIII Finnish URSI Convention on Radio Science and SMARAD Seminar 2013, Dipoli, Espoo, Finland, 24 - 25.4.2013.. Wallén, H. & Sihvola, A. (eds.). Helsinki, p. 155-158

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Introducing the CTA concept

Acharya, B. S., Actis, M., Aghajani, T., Agnetta, G., Aguilar, J., Tammi, J. & Tornikoski, M., 2013, In : ASTROPARTICLE PHYSICS. 43, p. 3-18

Research output: Contribution to journalArticleScientificpeer-review

487 Citations (Scopus)

Kysymyksiä ja vastauksia: Mitkä voimat saavat matkustajan horjahtamaan junan jarruttaessa?

Tammi, J., 2013, In : Tähdet ja Avaruus. 4

Research output: Contribution to journalArticleGeneral public

Mistä Wolfin-Rayetin tähti saa valtavan kirkkautensa?

Valtaoja, E., Tammi, J. & Enqvist, K., 2013, In : Tähdet ja Avaruus. 4, p. 54-55

Research output: Contribution to journalArticleGeneral public

Radio to gamma-ray variability study of blazar S5 0716+714

Rani, B., Krichbaum, T. P., Fuhrmann, L., Böttcher, M., Lott, B., Aller, H. D., Aller, M. F., Angelakis, E., Bach, U., Bastieri, D., Falcone, A. D., Fukazawa, Y., Gabanyi, K. E., Gupta, A. C., Gurwell, M., Itoh, R., Kawabata, K. S., Krips, M., Lähteenmäki, A. A., Liu, X. & 17 others, Marchili, N., Max-Moerbeck, W., Nestoras, I., Nieppola, E., Quintana-Lacaci, G., Readhead, A. C. S., Richards, J. L., Sasada, M., Sievers, A., Sokolovsky, K., Stroh, M., Tammi, J., Tornikoski, M., Uemura, M., Ungerechts, H., Urano, T. & Zensus, J. A., 2013, In : Astronomy and Astrophysics. 552, id. A11, p. 24 A11.

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58 Citations (Scopus)
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Results of long-term monitoring of 3C 273 over a wide range of wavelengths

"Vol'vach", A. E., Kutkin, A. M., "Vol'vach", L. N., Larionov, M. G., Lahteenmaki, A., Tornikoski, M., Nieppola, E., Tammi, J., Savolainen, P., Leon-Tavares, J., Aller, M. F. & Aller, H. D., 2013, In : Astronomy Reports. 57, 1, p. 34-45

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Uusavuttoman taivas

Tammi, J., 2013, In : Tähdet ja Avaruus. 6, p. 47

Research output: Contribution to journalArticleGeneral public

2012

AGILE detection of Cygnus X-3 gamma-ray active states during the period mid-2009/mid-2010

Bulgarelli, A., Tavani, M., Chen, A. W., Evangelista, Y., Trifoglio, M., Gianotti, F., Piano, G., Sabatini, S., Striani, E., Pooley, G., Trushkin, S., Nizhelskij, N. A., McCollough, M., Koljonen, K. I. I., Hannikainen, D., Lähteenmäki, A., Tammi, J., Lavonen, N., Steeghs, D., Aboudan, A. & 53 others, Argan, A., Barbiellini, G., Campana, R., Caraveo, P., Cattaneo, P. W., Cocco, V., Contessi, T., Costa, E., "D'Ammando", F., Del Monte, E., de Paris, G., Di Cocco, G., Donnarumma, I., Feroci, M., Fiorini, M., Fuschino, F., Galli, M., Giuliani, A., Giusti, M., Labanti, C., Lapshov, I., Lazzarotto, F., Lipari, P., Longo, F., Marisaldi, M., Mereghetti, S., Morelli, E., Moretti, E., Morselli, A., Pacciani, L., Pellizzoni, A., Perotti, F., Picozza, P., Pilia, M., Prest, M., Pucella, G., Rapisarda, M., Rappoldi, A., Rubini, A., Soffitta, P., Trois, A., Vallazza, E., Vercellone, S., Vittorini, V., Zambra, A., Zanello, D., Giommi, P., Pittori, C., Verrecchia, F., Santolamazza, P., Lucarelli, F., Colafrancesco, S. & Salotti, L., 2012, In : Astronomy and Astrophysics. 538, p. A63

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24 Citations (Scopus)
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