Jari Kajava - UTU Research Portal

Jari Kajava

- Postdoctoral Researcher
Tuorla Observatory (Department of Physics and Astronomy)

jari.kajava@utu.fi

Vesilinnantie 5

Turku

4 of 5

Black hole spin-orbit misalignment in the x-ray binary MAXI J1820+070 (2022)
- Science
Poutanen Juri, Veledina Alexandra, Berdyugin Andrei V., Berdyugina Svetlana V., Jermak Helen, Jonker Peter G., Kajava Jari J. E., Kosenkov Ilia A., Kravtsov Vadim, Piirola Vilppu, Shrestha Manisha, Torres Manuel A. P., Tsygankov Sergey S.
Observations of a radio-bright, X-ray obscured GRS 1915+105 (2021)
- Monthly Notices of the Royal Astronomical Society
Motta SE, Kajava JJE, Giustini M, Williams DRA, Del Santo M, Fender R, Green DA, Heywood I, Rhodes L, Segreto A, Sivakoff G, Woudt PA
The INTEGRAL view on black hole X-ray binaries (2021)
- New Astronomy Reviews
Motta S.E., Rodriguez J., Jourdain E., Del Santo M., Belanger G., Cangemi F., Grinberg V., Kajava J.J.E., Kuulkers E., Malzac J., Pottschmidt K., Roques J.P., Sánchez-Fernández C., Wilms J.
Burst-induced coronal cooling in GS 1826-24 The clock wagging its tail (2020)
- Astronomy and Astrophysics
Sanchez-Fernandez C, Kajava JJE, Poutanen J, Kuulkers E, Suleimanov VF
Rapid spectral transition of the black hole binary V404 Cygni (2020)
- Astronomy and Astrophysics
J. J. E. Kajava, C. Sánchez-Fernández, J. Alfonso-Garzón, S. E. Motta, A. Veledina
Evolving optical polarisation of the black hole X-ray binary MAXI J1820+070 (2019)
- Astronomy and Astrophysics
Alexandra Veledina, Andrei V. Berdyugin, Ilia A. Kosenkov, Jari J.E. Kajava, Sergey S. Tsygankov, Vilppu Piirola, Svetlana V. Berdyugina, Takeshi Sakanoi, Masato Kagitani, Vadim Kravtsov, Juri Poutanen
Hard-state Accretion Disk Winds from Black Holes: The Revealing Case of MAXI J1820+070 (2019)
- Astrophysical Journal Letters
Munoz-Darias T, Jimenez-Ibarra F, Panizo-Espinar G, Casares J, Sanchez DM, Ponti G, Fender RP, Buckley DAH, Garnavich P, Torres MAP, Padilla MA, Charles PA, Corral-Santana JM, Kajava JJE, Kotze EJ, Littlefield C, Sanchez-Sierras J, Steeghs D, Thomas J, Thomas J
HR 10: a main-sequence binary with circumstellar envelopes around both components (2019)
- Astronomy and Astrophysics
B. Montesinos, C. Eiroa, J. Lillo-Box, I. Rebollido, A. A. Djupvik, O. Absil, S. Ertel, L. Marion,
J. J. E. Kajava, S. Redfield, H. Isaacson, H. Cánovas, G. Meeus, I. Mendigutía, A. Mora,
P. Rivière-Marichalar, E. Villaver, J. Maldonado,T. Henning
X-ray dips and a complex UV/X-ray cross-correlation function in the black hole candidate MAXI J1820+070 (2019)
- Monthly Notices of the Royal Astronomical Society: Letters
Kajava J.J.E., Motta S.E., Sanna A., Veledina A., Del Santo M., Segreto A.
First measurements of linear polarization of MAXI J1820+070 (2018) Astronomer's Telegram A. Berdyugin, A. Veledina, I. Kosenkov, J. Poutanen, S. Tsygankov, J.J.E. Kajava, M. Kagitani, T. Sakanoi
The December 2015 re-brightening of V404 Cygni Variable absorption from the accretion disc outflow (2018)
- Astronomy and Astrophysics
Kajava JJE, Motta SE, Sanchez-Fernandez C, Kuulkers E
Variable polarisation and Doppler tomography of PSR J1023+0038-Evidence for the magnetic propeller during flaring? (2018)
- Monthly Notices of the Royal Astronomical Society
Hakala P, Kajava JJE
Basic parameters of the helium-accreting X-ray bursting neutron star in 4U 1820-30 (2017)
- Monthly Notices of the Royal Astronomical Society
Suleimanov VF, Kajava JJE, Molkov SV, Nattila J, Lutovinov AA, Werner K, Poutanen J
Expanding hot flow in the black hole binary SWIFT J1753.5-0127: evidence from optical timing (2017)
- Monthly Notices of the Royal Astronomical Society
Veledina A, Gandhi P, Hynes R, Kajava JJE, Tsygankov SS, Revnivtsev MG, Durant M, Poutanen J
Flux decay during thermonuclear X-ray bursts analysed with the dynamic power-law index method (2017)
- Astronomy and Astrophysics
Kuuttila J, Kajava JJE, Nattila J, Motta SE, Sanchez-Fernandez C, Kuulkers E, Cumming A, Poutanen J
Hard X-ray variability of V404 Cygni during the 2015 outburst (2017)
- Astronomy and Astrophysics
Sanchez-Fernandez C, Kajava JJE, Motta SE, Kuulkers E
Long-term optical and X-ray variability of the Be/X-ray binary H 1145-619: Discovery of an ongoing retrograde density wave (2017)
- Astronomy and Astrophysics
Alfonso-Garzon J, Fabregat J, Reig P, Kajava JJE, Sanchez-Fernandez C, Townsend LJ, Mas-Hesse JM, Crawford SM, Kretschmar P, Coe MJ
Neutron star mass and radius measurements from atmospheric model fits to X-ray burst cooling tail spectra (2017)
- Astronomy and Astrophysics
J. Nättilä, M. C. Miller, A. W. Steiner, J. J. E. Kajava, V. F. Suleimanov, J. Poutanen
Studying the accretion geometry of EXO 2030+375 at luminosities close to the propeller regime (2017)
- Astronomy and Astrophysics
Furst F, Kretschmar P, Kajava JJE, Alfonso-Garzan J, Kuhnel M, Sanchez-Fernandez C, Blay P, Wilson-Hodge CA, Jenke P, Kreykenbohm I, Pottschmidt K, Wilms J, Rothschild RE
Swift observations of V404 Cyg during the 2015 outburst: X-ray outflows from super-Eddington accretion (2017)
- Monthly Notices of the Royal Astronomical Society
Motta SE, Kajava JJE, Sanchez-Fernandez C, Beardmore AP, Sanna A, Page KL, Fender R, Altamirano D, Charles P, Giustini M, Knigge C, Kuulkers E, Oates S, Osborne JP