Joni Tammi

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Joni Tammi

Dr

 https://orcid.org/0000-0002-9164-2695

    • Metsähovi Radio Observatory Metsähovintie 114

    20062023

    Research activity per year

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    Search results

    • 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 journal › Article › Scientific › peer-review

      6 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 othersRomano, 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 journal › Article › Scientific

    • 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

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    • 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 journal › Article › Scientific › peer-review

      599 Citations (Scopus)

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

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

      Research output: Contribution to journal › Article › General 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 journal › Article › General 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 othersMarchili, 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.

      Research output: Contribution to journal › Article › Scientific › peer-review

      Open Access
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      85 Citations (Scopus)
      134 Downloads (Pure)

    • 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 journal › Article › Scientific › peer-review

      18 Citations (Scopus)

    • Uusavuttoman taivas

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

      Research output: Contribution to journal › Article › General 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 othersArgan, 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

      Research output: Contribution to journal › Article › Scientific › peer-review

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

    • Bottom-up modelling of gamma-ray blazars

      Tammi, J., 2012, In: Journal of Physics: Conference Series. 355, 1, p. 12-14 012014.

      Research output: Contribution to journal › Article › Scientific › peer-review

    • Bottom-up modelling of gamma-ray blazars

      Tammi, J., 2012, The Extreme and Variable High Energy Sky workshop, September 19-23 2011, Cagliari, Italy,.

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    • Discovery of VHE gamma-rays from the blazar 1ES 1215+303 with the MAGIC telescopes and simultaneous multi-wavelength observations

      Aleksic, J., Alvarez, E. A., Antonelli, L. A., Antoranz, P., Ansoldi, S., Asensio, M., Backes, M., Barres de Almeida, U., Barrio, J. A., Bastieri, D., Becerra González, J., Bednarek, W., Berger, K., Bernardini, E., Biland, A., Blanch, O., Bock, R. K., Boller, A., Bonnoli, G., Borla Tridon, D., & 147 othersBretz, T., Cañellas, A., Carmona, E., Carosi, A., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Cossio, L., Covino, S., Da Vela, P., Dazzi, F., De Angelis, A., De Caneva, G., De Cea del Pozo, E., De Lotto, B., Delgado Mendez, C., Diago Ortega, A., Doert, M., Domínguez, A., Dominis Prester, D., Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Ferenc, D., Fonseca, M. V., Font, L., Fruck, C., García López, R. J., Garczarczyk, M., Garrido Terrats, D., Gaug, M., Giavitto, G., Godinovic, N., González Muñoz, A., Gozzini, S. R., Hadasch, D., Häfner, D., Herrero, A., Hildebrand, D., Hose, J., Hrupec, D., Huber, B., Jankowski, F., Jogler, T., Kadenius, V., Kellermann, H., Klepser, S., Krähenbühl, T., Krause, J., La Barbera, A., Lelas, D., Leonardo, E., Lewandowska, N., Lindfors, E., Lombardi, S., López, M., López-Coto, R., López-Oramas, A., Lorenz, E., Makariev, M., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Mazin, D., Meucci, M., Miranda, J. M., Mirzoyan, R., Moldón, J., Moralejo, A., Munar-Adrover, P., Niedzwiecki, A., Nieto, D., Nilsson, K., Nowak, N., Orito, R., Paiano, S., Paneque, D., Paoletti, R., Pardo, S., Paredes, J. M., Partini, S., Perez-Torres, M. A., Persic, M., Pilia, M., Pochon, J., Prada, F., Prada Moroni, P. G., Prandini, E., Puerto Gimenez, I., Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Ribó, M., Rico, J., Rügamer, S., Saggion, A., Saito, K., Saito, T. Y., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shore, S. N., Sillanpää, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Stamerra, A., Steinke, B., Storz, J., Strah, N., Sun, S., Suric, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzic, T., Tescaro, D., Teshima, M., Tibolla, O., Torres, D. F., Treves, A., Uellenbeck, M., Vogler, P., Wagner, R. M., Weitzel, Q., Zabalza, V., Zandanel, F., Zanin, R., Berdyugin, A., Buson, S., Järvelä, E., Larsson, S., Lähteenmäki, A. & Tammi, J., 2012, In: Astronomy and Astrophysics. 544, A142, A142.

      Research output: Contribution to journal › Article › Scientific › peer-review

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

    • Olisiko mustasta aukosta energialähteeksi?

      Tammi, J., 2012, In: Tähdet ja Avaruus. 6, p. 50

      Research output: Contribution to journal › Article › General public

    • Radio-to-gamma-ray monitoring of the narrow-line Seyfert 1 galaxy PMN J0948 + 0022 from 2008 to 2011

      Foschini, L., Angelakis, E., Fuhrmann, L., Ghisellini, G., Hovatta, T., Lahteenmaki, A., Lister, M. L., Braito, V., Gallo, L., Hamilton, T. S., Kino, M., Komossa, S., Pushkarev, A. B., Thompson, D. J., Tibolla, O., Tramacere, A., Carramiñana, A., Carrasco, L., Falcone, A., Giroletti, M., & 22 othersGrupe, D., Kovalev, Y. Y., Krichbaum, T. P., Max-Moerbeck, W., Nestoras, I., Pearson, T. J., Porras, A., Readhead, A. C. S., Recillas, E., Richards, J. L., Riquelme, D., Sievers, A., Tammi, J., Tornikoski, M., Ungerechts, H., Zensus, J. A., Celotti, A., Bonnoli, G., Doi, A., Maraschi, L., Tagliaferri, G. & Tavecchio, F., 2012, In: Astronomy and Astrophysics. 548, id. A106, p. 14 A106.

      Research output: Contribution to journal › Article › Scientific › peer-review

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      50 Citations (Scopus)
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    • Simultaneous Planck, Swift, and Fermi observations of X-ray and gamma-ray selected blazars

      Giommi, P., Polenta, G., Lähteenmäki, A., Thompson, D. J., Capalbi, M., Cutini, S., Gasparrini, D., Gonzalez-Nuevo, J., Leon-Tavares, J., Lopez-Caniego, M., Mazziotta, M. N., Monte, C., Perri, M., Raino, S., Tosti, G., Tramacere, A., Verrecchia, F., Aller, H. D., Aller, M. F., Angelakis, E., & 75 othersBastieri, D., Berdyugin, A., Bonaldi, A., Bonavera, L., Burigana, C., Burrows, D. N., Buson, S., Cavazzuti, E., Chincarini, G., Colafrancesco, S., Costamante, L., Cuttaia, F., "D'Ammando", F., de Zotti, G., Frailis, M., Fuhrmann, L., Galeotta, S., Gargano, F., Gehrels, N., Giglietto, N., Giordano, F., Giroletti, M., Keihanen, E., King, O., Krichbaum, T. P., Lasenby, A., Lavonen, N., Lawrence, C. R., Leto, C., Lindfors, E., Mandolesi, N., Massardi, M., Max-Moerbeck, W., Michelson, P. F., Mingaliev, M., Natoli, P., Nestoras, I., Nieppola, E., Nilsson, K., Partridge, B., Pavlidou, V., Pearson, T. J., Procopio, P., Rachen, J. P., Readhead, A., Reeves, R., Reimer, A., Reinthal, R., Ricciardi, S., Richards, J., Riquelme, D., Saarinen, J., Sajina, A., Sandri, M., Savolainen, P., Sievers, A., Sillanpaa, A., Sotnikova, Y., Stevenson, M., Tagliaferri, G., Takalo, L., Tammi, J., Tavagnacco, D., Terenzi, L., Toffolatti, L., Tornikoski, M., Trigilio, C., Turunen, M., Umana, G., Ungerechts, H., Villa, F., Wu, J., Zacchei, A., Zensus, J. A. & Zhou, X., 2012, In: Astronomy and Astrophysics. 541, id. A160

      Research output: Contribution to journal › Article › Scientific › peer-review

      Open Access
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      167 Citations (Scopus)
      120 Downloads (Pure)

    • Termin avaus - Defining term Aika

      Tammi, J., 2012, In: Aalto University Magazine. 03, p. 11

      Research output: Contribution to journal › Article › General public

    • The Structure and Emission Model of the Relativistic Jet in the Quasar 3C 279 Inferred from Radio to High-energy γ-ray Observations in 2008-2010

      Hayashida, M., Madejski, G. M., Nalewajko, K., Sikora, M., Wehrle, A. E., Ogle, P., Collmar, W., Larsson, S., Fukazawa, Y., Itoh, R., Chiang, J., Stawarz, L., Blandford, R. D., Richards, J. L., Max-Moerbeck, W., Readhead, A., Buehler, R., Cavazzuti, E., Ciprini, S., Gehrels, N., & 73 othersReimer, A., Szostek, A., Tanaka, T., Tosti, G., Uchiyama, Y., Kawabata, K. S., Kino, M., Sakimoto, K., Sasada, M., Sato, S., Uemura, M., Yamanaka, M., Greiner, J., Kruehler, T., Rossi, A., Macquart, J. P., Bock, DC-J., Villata, M., Raiteri, C. M., Agudo, I., Aller, H. D., Aller, M. F., Arkharov, A. A., Bach, U., Benítez, E., Berdyugin, A., Blinov, D. A., Blumenthal, K., Böttcher, M., Buemi, C. S., Carosati, D., Chen, W. P., Di Paola, A., Dolci, M., Efimova, N. V., Forné, E., Gómez, J. L., Gurwell, M. A., Heidt, J., Hiriart, D., Jordan, B., Jorstad, S. G., Joshi, M., Kimeridze, G., Konstantinova, T. S., Kopatskaya, E. N., Koptelova, E., Kurtanidze, O. M., Lähteenmäki, A., Lamerato, A., Larionov, V. M., Larionova, E. G., Larionova, L. V., Leto, P., Lindfors, E., Marscher, A. P., McHardy, I. M., Molina, S. N., Morozova, D. A., Nikolashvili, M. G., Nilsson, K., Reinthal, R., Roustazadeh, P., Sakamoto, T., Sigua, L. A., Sillanpää, A., Takalo, L., Tammi, J., Taylor, B., Tornikoski, M., Trigilio, C., Troitsky, I. S. & Umana, G., 2012, In: The Astrophysical Journal. 754, 2, p. id. 114 114.

      Research output: Contribution to journal › Article › Scientific › peer-review

      138 Citations (Scopus)

    • Variability of the blazar 4C 38.41 (B3 1633+382) from GHz frequencies to GeV energies

      Raiteri, C. M., Villata, M., Smith, P. S., Larionov, V. M., Acosta-Pulido, J. A., Aller, M. F., "D'Ammando", F., Gurwell, M. A., Jorstad, S. G., Joshi, M., Kurtanidze, O. M., Lähteenmäki, A., Mirzaqulov, D. O., Agudo, I., Aller, H. D., Arévalo, M. J., Arkharov, A. A., Bach, U., Benítez, E., Berdyugin, A., & 57 othersBlinov, D. A., Blumenthal, K., Buemi, C. S., Bueno, A., Carleton, T. M., Carnerero, M. I., Carosati, D., Casadio, C., Chen, W. P., Di Paola, A., Dolci, M., Efimova, N. V., Ehgamberdiev, S. A., Gómez, J. L., González, A. I., Hagen-Thorn, V. A., Heidt, J., Hiriart, D., Holikov, S., Konstantinova, T. S., Kopatskaya, E. N., Koptelova, E., Kurtanidze, S. O., Larionova, E. G., Larionova, L. V., León-Tavares, J., Leto, P., Lin, H. C., Lindfors, E., Marscher, A. P., McHardy, I. M., Molina, S. N., Morozova, D. A., Mujica, R., Nikolashvili, M. G., Nilsson, K., Ovcharov, E. P., Panwar, N., Pasanen, M., Puerto-Gimenez, I., Reinthal, R., Richter, G. M., Ros, J. A., Sakamoto, T., Schwartz, R. D., Sillanpää, A., Smith, N., Takalo, L. O., Tammi, J., Taylor, B., Thum, C., Tornikoski, M., Trigilio, C., Troitsky, I. S., Umana, G., Valcheva, A. T. & Wehrle, A. E., 2012, In: Astronomy and Astrophysics. 545, A48

      Research output: Contribution to journal › Article › Scientific › peer-review

      Open Access
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      57 Citations (Scopus)
      346 Downloads (Pure)

    • Voiko mustasta aukosta saada energiaa?

      Tammi, J., 2012, In: Tähdet ja Avaruus. 6

      Research output: Contribution to journal › Article › General public

    • 2011

      Anomalous flare activity of the blasar 3c 454.3 during 2005-2011

      "Vol'Vach", A. E., "Kut'kin", A. M., "Vol'Vach", L. N., Larionov, M. G., Lähteenmäki, A., Tornikoski, M., Nieppola, E., Savolainen, P., Tammi, J., Aller, M. F. & Aller, H. D., 2011, In: ASTROPHYSICS. 54, 3, p. 363-370

      Research output: Contribution to journal › Article › Scientific › peer-review

      3 Citations (Scopus)

    • Bottom-up modelling of gamma-ray AGNs

      Tammi, J., 2011, In: Proceedings of Science.

      Research output: Contribution to journal › Article › Scientific › peer-review

    • Correlation between Fermi/LAT gamma-ray and 37 GHz radio properties of northern AGN averaged over 11 months

      Nieppola, E., Tornikoski, M., Valtaoja, E., León-Tavares, J., Hovatta, T., Lähteenmäki, A. & Tammi, J., 2011, In: Astronomy and Astrophysics. 535, A69, p. 12

      Research output: Contribution to journal › Article › Scientific › peer-review

      Open Access
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      25 Citations (Scopus)
      138 Downloads (Pure)

    • Fermi Large Area Telescope Observations of Markarian 421: The Missing Piece of its Spectral Energy Distribution

      Fermi Large Area Telescope Collaboration & MAGIC Collaboration, 2011, In: The Astrophysical Journal. 736, 2, p. 131 22 p., 131.

      Research output: Contribution to journal › Article › Scientific › peer-review

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      267 Citations (Scopus)
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    • Flare-like outbursts from loading of the jets?

      Tammi, J., 2011, Steady jets and transient jets.Bonn, 7-8 April 2010. Massi, M. & Lobanov, A. (eds.).

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

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

      "Vol'Vach", A. E., "Vol'Vach", L. N., "Kut'kin", A. M., Larionov, M. G., Villata, M., Panteri, K. M., Lahteenmaki, A., Tornikoski, M., Savolainen, P., Tammi, J., Aller, A. F., Aller, H. D., Sergeev, S. G., Doroshenko, V. T., Efimov, Y. S., Klimanov, S. A., Nazarov, S. V., Borman, G. V., Pushkarev, A. B., Zhdanov, V. I., & 3 othersFedorova, E. V., Vavilova, I. B. & Chesnok, N. G., 2011, In: Astronomy Reports. 55, 7, p. 608-615

      Research output: Contribution to journal › Article › Scientific › peer-review

      12 Citations (Scopus)

    • Planck early results XIV: ERCSC validation and extreme radio sources

      Ade, P. A. R., Aghanim, N., Angelakis, E., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Balbi, A., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Battaner, E., Benabed, K., Benoît, A., Bernard, J-P., Bersanelli, M., Bhatia, R., Bonaldi, A., Bonavera, L., Bond, J. R., & 197 othersBorrill, J., Bouchet, F. R., Bucher, M., Burigana, C., Cabella, P., Cappellini, B., Cardoso, J-F., Catalano, A., Cayón, L., Challinor, A., Chamballu, A., Chary, R-R., Chen, X., Chiang, L-Y., Christensen, P. R., Clements, D. L., Colombi, S., Couchot, F., Coulais, A., Crill, B. P., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Gasperis, G., de Rosa, A., de Zotti, G., Delabrouille, J., Delouis, J-M., Désert, F-X., Dickinson, C., Donzelli, S., Doré, O., Dörl, U., Douspis, M., Dupac, X., Efstathiou, G., Enßlin, T. A., Finelli, F., Forni, O., Frailis, M., Franceschi, E., Fuhrmann, L., Galeotta, S., Ganga, K., Giard, M., Giardino, G., Giraud-Héraud, Y., González-Nuevo, J., Górski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Harrison, D., Henrot-Versillé, S., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hovest, W., Hoyland, R. J., Huffenberger, K. M., Huynh, M., Jaffe, A. H., Juvela, M., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knox, L., Krichbaum, T. P., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J-M., Lasenby, A., Laureijs, R. J., Lavonen, N., Lawrence, C. R., Leach, S., Leahy, J. P., Leonardi, R., León-Tavares, J., Linden-Vørnle, M., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mann, R., Maris, M., Marleau, F., Martínez-González, E., Masi, S., Massardi, M., Matarrese, S., Matthai, F., Mazzotta, P., Meinhold, P. R., Melchiorri, A., Mendes, L., Mennella, A., Mingaliev, M., Miville-Deschênes, M-A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, A., Naselsky, P., Natoli, P., Nestoras, I., Netterfield, C. B., Nieppola, E., Nørgaard-Nielsen, H. U., Noviello, F., Novikov, D., Novikov, I., Osborne, S., Pajot, F., Paladini, R., Partridge, B., Pasian, F., Patanchon, G., Pearson, T. J., Perdereau, O., Perotto, L., Perrotta, F., Piacentini, F., Piat, M., Pierpaoli, E., Plaszczynski, S., Platania, P., Pointecouteau, E., Polenta, G., Ponthieu, N., Poutanen, T., Prézeau, G., Procopio, P., Prunet, S., Puget, J-L., Rachen, J. P., Reach, W. T., Rebolo, R., Reinecke, M., Renault, C., Ricciardi, S., Riller, T., Riquelme, D., Ristorcelli, I., Rocha, G., Rosset, C., Rowan-Robinson, M., Rubiño-Martín, J. A., Rusholme, B., Sajina, A., Sandri, M., Savolainen, P., Scott, D., Seiffert, M. D., Sievers, A., Smoot, G. F., Sotnikova, Y., Starck, J-L., Stivoli, F., Stolyarov, V., Sudiwala, R., Sygnet, J-F., Tammi, J., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tornikoski, M., Torre, J-P., Tristram, M., Tuovinen, J., Türler, M., Turunen, M., Umana, G., Ungerechts, H., Valenziano, L., Varis, J., Vielva, P., Villa, F., Vittorio, N., Wade, L. A., Wandelt, B. D., Wilkinson, A., Yvon, D., Zacchei, A., Zensus, J. A. & Zonca, A., 2011, In: Astronomy and Astrophysics. 536, A14, p. 18

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      33 Citations (Scopus)
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    • Planck early results XV: Spectral energy distributions and radio continuum spectra of northern extragalactic radio sources

      Aatrokoski, J., Ade, P. A. R., Aghanim, N., Aller, H. D., Aller, M. F., Angelakis, E., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Balbi, A., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Battaner, E., Benabed, K., Benoît, A., Berdyugin, A., Bernard, J-P., Bersanelli, M., & 228 othersBhatia, R., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Bucher, M., Burigana, C., Burrows, D. N., Cabella, P., Capalbi, M., Cappellini, B., Cardoso, J-F., Catalano, A., Cavazzuti, E., Cayón, L., Challinor, A., Chamballu, A., Chary, R-R., Chiang, L-Y., Christensen, P. R., Clements, D. L., Colafrancesco, S., Colombi, S., Couchot, F., Coulais, A., Cutini, S., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Gasperis, G., de Rosa, A., de Zotti, G., Delabrouille, J., Delouis, J-M., Dickinson, C., Dole, H., Donzelli, S., Doré, O., Dörl, U., Douspis, M., Dupac, X., Efstathiou, G., Enßlin, T. A., Finelli, F., Forni, O., Frailis, M., Franceschi, E., Fuhrmann, L., Galeotta, S., Ganga, K., Gargano, F., Gasparrini, D., Gehrels, N., Giard, M., Giardino, G., Giglietto, N., Giommi, P., Giordano, F., Giraud-Héraud, Y., González-Nuevo, J., Górski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Harrison, D., Henrot-Versillé, S., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hovest, W., Hoyland, R. J., Huffenberger, K. M., Jaffe, A. H., Juvela, M., Keihänen, E., Keskitalo, R., King, O., Kisner, T. S., Kneissl, R., Knox, L., Krichbaum, T. P., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J-M., Lasenby, A., Laureijs, R. J., Lavonen, N., Lawrence, C. R., Leach, S., Leonardi, R., León-Tavares, J., Linden-Vørnle, M., Lindfors, E., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mann, R., Maris, M., Martínez-González, E., Masi, S., Massardi, M., Matarrese, S., Matthai, F., Max-Moerbeck, W., Mazziotta, M. N., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Michelson, P. F., Mingaliev, M., Mitra, S., Miville-Deschênes, M-A., Moneti, A., Monte, C., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, A., Naselsky, P., Natoli, P., Nestoras, I., Netterfield, C. B., Nieppola, E., Nilsson, K., Nørgaard-Nielsen, H. U., Noviello, F., Novikov, D., Novikov, I., "O'Dwyer", I. J., Osborne, S., Pajot, F., Partridge, B., Pasian, F., Patanchon, G., Pavlidou, V., Pearson, T. J., Perdereau, O., Perotto, L., Perri, M., Perrotta, F., Piacentini, F., Piat, M., Plaszczynski, S., Platania, P., Pointecouteau, E., Polenta, G., Ponthieu, N., Poutanen, T., Prézeau, G., Procopio, P., Prunet, S., Puget, J-L., Rachen, J. P., Rainò, S., Reach, W. T., Readhead, A., Rebolo, R., Reeves, R., Reinecke, M., Reinthal, R., Renault, C., Ricciardi, S., Richards, J., Riller, T., Riquelme, D., Ristorcelli, I., Rocha, G., Rosset, C., Rowan-Robinson, M., Rubiño-Martín, J. A., Rusholme, B., Saarinen, J., Sandri, M., Savolainen, P., Scott, D., Seiffert, M. D., Sievers, A., Sillanpää, A., Smoot, G. F., Sotnikova, Y., Starck, J-L., Stevenson, M., Stivoli, F., Stolyarov, V., Sudiwala, R., Sygnet, J-F., Takalo, L., Tammi, J., Tauber, J. A., Terenzi, L., Thompson, D. J., Toffolatti, L., Tomasi, M., Tornikoski, M., Torre, J-P., Tosti, G., Tramacere, A., Tristram, M., Tuovinen, J., Türler, M., Turunen, M., Umana, G., Ungerechts, H., Valenziano, L., Valtaoja, E., Varis, J., Verrecchia, F., Vielva, P., Villa, F., Vittorio, N., Wandelt, B. D., Wu, J., Yvon, D., Zacchei, A., Zensus, J. A., Zhou, X. & Zonca, A., 2011, In: Astronomy and Astrophysics. 536, A15, p. 56

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      51 Citations (Scopus)
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    • Rapid variability of the radio flux density of the blazar J0721+7120 (S5 0716+714) in 2010

      Gorshkov, A. G., Ipatov, A. V., Konnikova, V. K., Lähteenmäki, A., Mardyshkin, V. V., Mingaliev, M. G., Nieppola, E., Tammi, J., "Finkel'Shtein", A. M. & Kharinov, M. A., 2011, In: Astronomy Reports. 55, 12, p. 1096-1104

      Research output: Contribution to journal › Article › Scientific › peer-review

      6 Citations (Scopus)

    • The long-lasting activity of 3C 454.3 GASP-WEBT and satellite observations in 2008-2010

      Raiteri, C. M., Villata, M., Aller, M. F., Gurwell, M. A., Kurtanidze, O. M., Lähteenmäki, A., Larionov, V. M., Romano, P., Vercellone, S., Agudo, I., Aller, H. D., Arkharov, A. A., Bach, U., Benítez, E., Berdyugin, A., Blinov, D. A., Borisova, E. V., Böttcher, M., Bravo Calle, O. J. A., Buemi, C. S., & 52 othersCalcidese, P., Carosati, D., Casas, R., Chen, W-P., Efimova, N. V., Gómez, J. L., Gusbar, C., Hawkins, K., Heidt, J., Hiriart, D., Hsiao, H. Y., Jordan, B., Jorstad, S. G., Joshi, M., Kimeridze, G. N., Koptelova, E., Konstantinova, T. S., Kopatskaya, E. N., Kurtanidze, S. O., Larionova, E. G., Larionova, L. V., Leto, P., Li, Y., Ligustri, R., Lindfors, E., Lister, M., Marscher, A. P., Molina, S. N., Morozova, D. A., Nieppola, E., Nikolashvili, M. G., Nilsson, K., Palma, N., Pasanen, M., Reinthal, R., Roberts, V., Ros, J. A., Roustazadeh, P., Sadun, A. C., Sakamoto, T., Schwartz, R. D., Sigua, L. A., Sillanpää, A., Takalo, L. O., Tammi, J., Taylor, B., Tornikoski, M., Trigilio, C., Troitsky, I. S., Umana, G., Volvach, A. & Yuldasheva, T. A., 2011, In: Astronomy and Astrophysics. 534, id. A87

      Research output: Contribution to journal › Article › Scientific › peer-review

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      67 Citations (Scopus)
      75 Downloads (Pure)
    • 2010

      Connection Between Jet Parameters and Black Hole Masses in Quasars

      Hovatta, T., Tammi, J., Tornikoski, M., Valtaoja, E., Torrealba, J., Chavushyan, V., Arshakian, T. G. & Cruz-Gonzales, I., 2010, ACCRETION AND EJECTION IN AGN: A GLOBAL VIEWJune 22-26 2009 - Como, Italy. Laura Maraschi, G. G. (ed.). Astronomical Society of the Pacific, p. 34

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

    • Correlations between the Fermi/LAT gamma-ray and 37 GHz radio properties of AGN averaged over 11 months

      Nieppola, E., Tornikoski, M., Valtaoja, E., León-Tavares, J., Hovatta, T., Lähteenmäki, A. & Tammi, J., 2010, Fermi meets Jansky-AGN in Radio and Gamma Rays, Bonn, Germany, 21-23 June 2010. Savolainen, T., Ros, E., Porcas, R. W. & Zensus, J. A. (eds.). Bonn: Max-Planck-Institut für Radioastronomie, p. 89-92

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

    • Disk-Jet Connection in AGNs and Microquasars: the Possibility of Thermal Flares in the Center

      Tammi, J. & Hovatta, T., 2010, In: International Journal of Modern Physics D. 19, 6, p. 971-976

      Research output: Contribution to journal › Article › Scientific › peer-review

      2 Citations (Scopus)

    • From EGRET to Fermi: mm-radio data and the origin of gamma-ray emission

      Valtaoja, E., Tornikoski, M., León-Tavares, J., Nieppola, E., Lähteenmäki, A., Tammi, J. & Hovatta, T., 2010, Fermi meets Jansky-AGN in Radio and Gamma Rays, Bonn, Germany, June 21-23, 2010. Savolainen, T., Ros, E., Porcas, R. W. & Zensus, J. A. (eds.). Bonn: Max-Planck-Institut für Radioastronomie, p. 73-76

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

    • Miten astronautit peseytyvät? Koottu Tiede-lehden asiantuntijapalstan kysymyksistä ja vastauksista: Onko Linnulla napa? Ja muita tieteen arvoituksia

      Tuomi, T. J., Raudaskoski, M., Hannuksela, M. & Tammi, J., 2010, In: TIEDE. p. 10

      Research output: Contribution to journal › Article › General public

    • Thermal flares from collapsed accretion disks?

      Tammi, J., 2010, Proceedings of Science. 6 p. (POS Proceedings of Science).

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

    • Thermal Non-jet Flares in Active Galactic Nuclei

      Tammi, J. & Hovatta, T., 2010, Accretion and Ejection in AGN: a Global View, Como, Italy, June 22-26 2009. L. Maraschi, L., Ghisellini, G., Della Ceca, R. & Tavecchio, F. (eds.). Astronomical Society of the Pacific, p. 118-119

      Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

    • 2007

      Synchrotron flaring behaviour of Cygnus X-3 during the February-March 1994 and September 2001 outbursts

      Lindfors, E. J., Türler, M., Hannikainen, D. C., Pooley, G., Tammi, J., Trushkin, S. A. & Valtaoja, E., 2007, In: Astronomy and Astrophysics. 473, p. 923-929

      Research output: Contribution to journal › Article › Scientific › peer-review

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      22 Citations (Scopus)
      150 Downloads (Pure)
    • 2006

      Turbulence transmission in parallel relativistic shocks using ray tracing

      Tammi, J. & Vainio, R., Dec 2006, In: Astronomy and Astrophysics. 460, 1, p. 23-28 6 p.

      Research output: Contribution to journal › Article › Scientific › peer-review

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