Research output per year
Research output per year
Personal profile
Education/Academic qualification
Doctoral degree, Natural Sciences, University of Turku
Award Date: 6 Jun 2006
Master's degree, Natural Sciences, University of Turku
Award Date: 12 Dec 2002
Keywords
- Astrophysics
- Astronomy
- Teaching
- Radio astronomy
- Numerical modelling
- Pedagogy
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 17 Partnerships for the Goals
Fingerprint
Dive into the research topics where Joni Tammi is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Research output
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Gamma-ray flares from the jet of the blazar CTA 102 in 2016–2018
Kim, S., Lee, S. S., Algaba, J. C., Rani, B., Park, J., Jeong, H. W., Cheong, W. Y., D’Ammando, F., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Agudo, I., Casadio, C., Escudero, J., Fuentes, A., Traianou, E., Myserlis, I. & Thum, C., 1 Feb 2025, In: Astronomy & Astrophysics. 694, A291.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)22 Downloads (Pure) -
Multi-epoch leptohadronic modeling of neutrino source candidate blazar PKS 0735+178
Omeliukh, A., Garrappa, S., Ramazani, V. F., Franckowiak, A., Winter, W., Lindfors, E., Nilsson, K., Jormanainen, J., Wierda, F., Filippenko, A. V., Zheng, W., Tornikoski, M., Lahteenmaki, A., Kankkunen, S. & Tammi, J., 27 Mar 2025, In: Astronomy & Astrophysics. 695, p. 1-15 15 p., A266.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile10 Citations (Web of Science)25 Downloads (Pure) -
The polarisation behaviour of OJ 287 viewed through radio, millimetre, and optical observations between 2015 and 2017
Jormanainen, J., Hovatta, T., Lindfors, E., Berdyugin, A., Chamani, W., Fallah Ramazani, V., Jermak, H., Jorstad, S. G., Lähteenmäki, A., Mccall, C., Nilsson, K., Smith, P., Steele, I. A., Tammi, J., Tornikoski, M. & Wierda, F., 1 Feb 2025, In: Astronomy & Astrophysics. 694, A206.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Citations (Web of Science)53 Downloads (Pure) -
A near magnetic-to-kinetic energy equipartition flare from the relativistic jet in AO 0235 + 164 during 2013–2019
Cheong, W. Y., Lee, S. S., Kim, S. H., Kang, S., Kim, J. Y., Rani, B., Readhead, A. C. S., Kiehlmann, S., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Agudo, I., Fuentes, A., Traianou, E., Escudero, J., Thum, C., Myserlis, I., Casadio, C. & Gurwell, M., 1 Jan 2024, In: Monthly Notices of the Royal Astronomical Society. 527, 1, p. 882-894 13 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile6 Citations (Scopus)256 Downloads (Pure) -
Multiwavelength Temporal Variability of the Blazar PKS 1510–089
Yuan, Q., Kushwaha, P., Gupta, A. C., Tripathi, A., Wiita, P. J., Zhang, M., Liu, X., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Cui, L., Wang, X., Gu, M. F., Bambi, C. & Volvach, A. E., 1 Aug 2023, In: Astrophysical Journal. 953, 1, 47.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile10 Citations (Scopus)106 Downloads (Pure)
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ACME: Astrophysics Center for Multimessenger studies in Europe
Tammi, J. (Principal investigator) & Savolainen, T. (Project Member)
01/09/2024 → 31/08/2028
Project: EU_HEFWP
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Weisell MCA-2 lahjoitus: Weisell lahjoitus 2023 MCA-2
Tammi, J. (Principal investigator)
01/12/2022 → 31/12/2028
Project: Unknown
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ORP: Opticon RadioNet Pilot
Tammi, J. (Principal investigator)
01/03/2021 → 28/02/2025
Project: EU H2020 Framework program
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FIRI E2S-industry: Earth-Space research ecosystem: industry platform
Tammi, J. (Principal investigator)
01/07/2020 → 30/11/2021
Project: RCF Research Infrastructure
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V / ENIGMA
Tammi, J. (Principal investigator)
01/05/2015 → 31/12/2015
Project: EU: Framework programmes funding
Datasets
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Metsähovi Radio Observatory public solar database
Tammi, J. (Creator) & Mujunen, A. (Data Manager), Fairdata , 13 Dec 2019
http://urn.fi/urn:nbn:fi:att:f371cb6d-f84c-4d76-99e4-c39c639fd0de
Dataset
Activities
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Site visit to Metsähovi Radio Observatory
Gent, F. (Participant), Kivistö, S. (Participant), Tammi, J. (Contributor), McKay, D. (Contributor), Weigt, D. (Participant), Korpi-Lagg, A. (Participant), Rheinhardt, M. (Participant), Pekkilä, J. (Participant) & Gozaliasl, G. (Participant)
6 Mar 2024Activity: Other activity types › Short group visit to research infrastructure
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Astronomers' Days of the Finnish Astronomical Society
Gent, F. (Member), Kivistö, S. (Speaker), Tammi, J. (Speaker), McKay, D. (Speaker) & Weigt, D. (Speaker)
20 May 2024 → 22 May 2024Activity: Participating in or organising an event types › Participant of a conference, workshop, session, tutorial or event
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Young European Radio Astronomers Conference
Tammi, J. (Chair), Suutarinen, S. (Organiser) & Varglund, I. (Organiser)
24 Aug 2022 → 26 Aug 2022Activity: Participating in or organising an event types › Chair of a conference, workshop, panel, session, tutorial or event
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Opticon RadioNet Pilot (ORP) (External organisation)
Tammi, J. (Member)
1 Mar 2021 → 28 Feb 2025Activity: Memberships (typically long-term positions of trust) › Position of trust in an academic community
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Vladislavs Bezrukovs
Tammi, J. (Host)
11 Nov 2019 → 13 Nov 2019Activity: Hosting a visitor types › Hosting an academic visitor
Press/Media
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Paras huutomme avaruuteen lähti matkaan 52 vuotta sitten – ”vastaus” ilmestyi peltoon vuonna 2001
16/11/2025
1 item of Media coverage
Press/Media: Media appearance
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Pitääkö paikkansa, että Hitlerin puhe on ensimmäinen asia, jonka avaruusoliot meistä kuulevat?
16/10/2025
1 item of Media coverage
Press/Media: Media appearance
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Metsähovin observatorion uusi laite kerää tietoa kaukaisista galakseista
01/09/2025
1 item of Media coverage
Press/Media: Media appearance
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Kirkkonummelle saapuu ainutlaatuinen laite, jolla tutkitaan outoja galakseja
29/08/2025
1 item of Media coverage
Press/Media: Media appearance
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