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
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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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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 AccessFile2 Downloads (Pure) -
Quasi-periodic behaviour in the radio and gamma-ray light curves of blazar PKS 1510-089
Li, XP., Cai, Y., Yang, HY., Lahteenmaki, A., Tornikoski, M., Tammi, J., Suutarinen, S., Yang, H-T., Luo, YH. & Wang, LS., Mar 2023, In: Monthly Notices of the Royal Astronomical Society. 519, 4, p. 4893-4901 9 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile2 Citations (Scopus)16 Downloads (Pure) -
Radio and γ-Ray Variability in Blazar S5 0716+714: A Year-like Quasi-periodic Oscillation in the Radio Light Curve
Li, X. P., Yang, H. Y., Cai, Y., Lähteenmäki, A., Tornikoski, M., Tammi, J., Suutarinen, S., Yang, H. T., Luo, Y. H. & Wang, L. S., 1 Feb 2023, In: Astrophysical Journal. 943, 2, 9 p., 157.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)14 Downloads (Pure) -
Time variability of the core-shift effect in the blazar 3C 454.3
Chamani, W., Savolainen, T., Ros, E., Kovalev, Y. Y., Wiik, K., Lähteenmäki, A., Tornikoski, M. & Tammi, J., 1 Apr 2023, In: Astronomy and Astrophysics. 672, A130.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)6 Downloads (Pure) -
Auringonpimennys radioteleskoopilla
Translated title of the contribution :Solar eclipse with a radio telescope Research output: Other contribution › General public
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Earth-Space research ecosystem: industry platform
01/07/2020 → 30/11/2021
Project: Academy of Finland: Other research funding
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Planck-tiede Metsähovissa ja Tuorlassa
Tammi, J., Aatrokoski, J., Järvelä, E., Oksman, M., Lähteenmäki, A., Nieppola, E., Hannikainen, D. & Rastorgueva-Foi, E.
01/01/2010 → 31/12/2011
Project: Academy of Finland: Other research funding
Datasets
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Metsähovi Radio Observatory public solar database
Tammi, J. (Creator) & Mujunen, A. (Data Manager), Ministry of Education and Culture, 13 Dec 2019
http://urn.fi/urn:nbn:fi:att:f371cb6d-f84c-4d76-99e4-c39c639fd0de
Dataset
Activities
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Young European Radio Astronomers Conference
Joni Tammi (Chair), Sofia Suutarinen (Organiser) & Irene Varglund (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)
Joni Tammi (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
Joni Tammi (Host)
11 Nov 2019 → 13 Nov 2019Activity: Hosting a visitor types › Hosting an academic visitor
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Seog-Tae Han
Tuomas Savolainen (Host) & Joni Tammi (Host)
17 Oct 2018 → 20 Oct 2018Activity: Hosting a visitor types › Hosting an academic visitor
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Finnish-Russian Radio Astronomy Symposium
Joni Tammi (Member)
5 Sept 2018 → 7 Sept 2018Activity: Participating in or organising an event types › Membership of an organizing committee or other positions of trust of a conference or a seminar
Press/Media
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Joni Tammi continues as Director of Metsähovi Radio Observatory
02/12/2022
1 item of Media coverage
Press/Media: Media appearance
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Measurements of magnetic fields in the jets of active galactic nuclei - A tool for testing black hole jet launching models
Anne Lähteenmäki, Joni Tammi, Merja Tornikoski & Tuomas Savolainen
02/11/2022
1 item of Media coverage
Press/Media: Media appearance
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Auringonpimennys radio-observatioriossa
25/10/2022
1 item of Media coverage
Press/Media: Media appearance
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Partiell solförmörkelse hjälper forskare kalibrera sin utrustning
24/10/2022
1 Media contribution
Press/Media: Media appearance
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A radio telescope follows the partial solar eclipse even through clouds
19/10/2022
1 item of Media coverage
Press/Media: Media appearance