Research output per year
Research output per year
Personal profile
Fields of Science
- 115 Astronomy, Space science
International and National Collaboration
Publications and projects within past five years.
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MAGICS. II. Seed Black Holes Stripped of Their Surrounding Stars Do Not Sink
Zhou, Y., Mukherjee, D., Chen, N., Matteo, T. D., Johansson, P. H., Rantala, A., Partmann, C., Di Carlo, U. N., Bird, S. & Ni, Y., 10 Feb 2025, In: Astrophysical Journal. 980, 1, 21 p., 79.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
The importance of nuclear star clusters for massive black hole growth and nuclear star formation in simulated low-mass galaxies
Partmann, C., Naab, T., Lahén, N., Rantala, A., Hirschmann, M., Hislop, J. M., Petterson, J. & Johansson, P., Feb 2025, In: Monthly Notices of the Royal Astronomical Society. 537, 2, p. 956-977 22 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Chemical evolution of local post-starburst galaxies: implications for the mass-metallicity relation
Leung, H.-H., Wild, V., Papathomas, M., Carnall, A., Zheng, Y., Boardman, N., Wang, C. & Johansson, P., Mar 2024, In: Monthly Notices of the Royal Astronomical Society. 528, 3, p. 4029-4052 24 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Distinct distributions of elliptical and disk galaxies across the Local Supercluster as a ΛCDM prediction
Sawala, T., Frenk, C., Jasche, J., Johansson, P. H. & Lavaux, G., Feb 2024, In: Nature Astronomy. 8, 2, p. 247–255Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Intermediate mass black hole feedback in dwarf galaxy simulations with a resolved ISM and accurate nuclear stellar dynamics
Partmann, C., Naab, T., Lahén, N., Churazov, E., Hislop, J. M., Rantala, A., Johansson, P. & Hirschmann, M., 28 Oct 2024, Black Hole Winds at All Scales: Proceedings of IAU Symposium 378. Bruni, G., Diaz Trigo, M., Laha, S. & Fukumura, K. (eds.). Cambridge University Press, p. 68-71 4 p. (Proceedings of the International Astronomical Union; vol. 19, no. S378).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific
Open AccessFile
Projects
- 1 Active
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Tiedeseura/Johansson/2024-2025
Johansson, P. (Project manager)
Suomen Tiedeseura r.y. Finska Vetenskaps-Societeten r.f.
01/05/2024 → 31/12/2025
Project: Foundations (Private Foundations, Non-Profit Foundations, Charitable Trusts)
Activities
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A multifrquency view of the characteristics and evolution of narrow-line Seyfert 1 galaxies
Johansson, P. (Pre-examiner)
15 Jul 2024 → 15 Aug 2024Activity: Examination types › Supervisor or co-supervisor of doctoral thesis
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Stuart McAlpine
Johansson, P. (Host)
4 Nov 2024 → 8 Nov 2024Activity: Hosting a visitor types › Academic visit at UH
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Massive Black Holes in the First Billion Years:
Johansson, P. (Speaker: Presenter)
29 Apr 2024 → 3 May 2024Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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Breakthroughs in Galaxy formation - Ringberg galaxy formation workshop
Johansson, P. (Speaker: Presenter)
20 Oct 2024 → 25 Oct 2024Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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Massive black holes in dwarf galaxies - Off-center binary formation through gravitational capture
Johansson, P. (Opponent)
3 Oct 2024Activity: Examination types › Supervisor or co-supervisor of doctoral thesis
Press/Media
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Tiede lehti - Mitä tapahtuisi, jos Linnunrata törmäisi toiseen galaksiin? Miten se vaikuttaisi elämäämme?
06/08/2024
1 Media contribution
Press/Media: Press / Media
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Tiede lehti - Mustia aukkoja ymmärryksessäsi? Tähtitieteilijät vastaavat kysymyksiin, joita et ole kehdannut kysyä
07/06/2024
1 Media contribution
Press/Media: Press / Media
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Tiede lehti - Mitä tapahtuisi, jos supermassiivinen musta aukko katoaisi galaksin keskeltä?
24/01/2024
1 Media contribution
Press/Media: Press / Media
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YLE Radio Vega morgonnyheterna - Aiheena JWST:n uudet kuvat
13/07/2022
1 item of Media coverage
Press/Media: Press / Media