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List of works by Joni Tammi

37 GHz observations of narrow-line Seyfert 1 galaxies

scientific article published in Astronomy and Astrophysics

A prolongated flare in the blazar 3C 454.3

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in January 2011

Blazar spectral variability as explained by a twisted inhomogeneous jet.

scientific article published on 4 December 2017

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

scientific article

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

scientific article published in January 2011

Cosmological Evolution of Quasar Radio Emission in the View of Multifractality

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

scientific article

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

scientific article published in Astronomy and Astrophysics

Extreme HBL behavior of Markarian 501 during 2012

scholarly article

FIRST NuSTAR OBSERVATIONS OF MRK 501 WITHIN A RADIO TO TeV MULTI-INSTRUMENT CAMPAIGN ⬇️

scientific article (publication date: 9 October 2015)

FORESAIL‐1 CubeSat Mission to Measure Radiation Belt Losses and Demonstrate Deorbiting

scientific article

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

scientific article

Fermi large area telescope observations of Markarian 421: the missing piece of its spectral energy distribution ⬇️

scientific article published in the Astrophysical Journal

Flare Activity of Blazar AO 0235+164

scientific article

Flare-like outbursts from loading of the jets?

scholarly article

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

scientific article published in Astronomy and Astrophysics

Introducing the CTA concept

Investigating the Blazar TXS 0506+056 through Sharp Multiwavelength Eyes During 2017–2019

scholarly article

Kinematics of parsec-scale jets of gamma-ray blazars at 43 GHz within the VLBA-BU-BLAZAR program ⬇️

scientific article published in January 2017

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

scholarly article

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

scientific article published in Astronomy and Astrophysics

MAGIC observations and multifrequency properties of the flat spectrum radio quasar 3C 279 in 2011

scientific article published in Astronomy and Astrophysics

Multiwavelength monitoring of the enigmatic narrow-line Seyfert 1 PMN J0948+0022 in 2009 March-July ⬇️

scientific article published in the Astrophysical Journal

Multiwavelength study of quiescent states of Mrk 421 with unprecedented hard X-ray coverage provided by NuSTAR in 2013 ⬇️

scientific article published in the Astrophysical Journal

Particle-acceleration time-scales in TeV blazar flares

scientific article published in January 2009

Planck early results. XIV. ERCSC validation and extreme radio sources

scientific article published in Astronomy and Astrophysics in December 2011

Planck early results. XV. Spectral energy distributions and radio continuum spectra of northern extragalactic radio sources

scientific article published in Astronomy and Astrophysics in December 2011

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

scientific article

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in January 2018

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in Astronomy and Astrophysics

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

scholarly article

Results of long-term monitoring of 3C 273 over a wide range of wavelengths

Simultaneous spectra and radio properties of BL Lac's

scientific article published in January 2017

SimultaneousPlanck,Swift, andFermiobservations of X-ray andγ-ray selected blazars

scientific article published in Astronomy and Astrophysics

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

scientific article published in May 2020

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

scientific article

The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies ⬇️

scientific article published in Astronomy and Astrophysics

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

scientific article published on 17 February 2020

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

scientific article

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

scholarly article

The connection between the parsec-scale radio jet and γ-ray flares in the blazar 1156+295 ⬇️

scientific article

The long-lasting activity of 3C 454.3

scientific article published in Astronomy and Astrophysics

The outburst of the blazar S4 0954+658 in 2011 March-April ⬇️

scientific article published in Astronomical Journal

The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy {gamma}-ray observations in 2008-2010 ⬇️

scientific article published in the Astrophysical Journal

Turbulence transmission in parallel relativistic shocks using ray tracing

scientific article published in January 2006

Unraveling the Complex Behavior of Mrk 421 with Simultaneous X-Ray and VHE Observations during an Extreme Flaring Activity in 2013 April

scholarly article

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

scientific article published in Astronomy and Astrophysics

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