BlackHolistic Meeting Finland 2025

10 Jun 2025, 14:00 → 13 Jun 2025, 15:00 Europe/Helsinki

U7 PWC (Aalto University)

Blackholistic venue access directions.pdf

Tuesday 10 June

15:00 → 17:00 Welcome: Coffee and introductions

17:00 → 18:00 Lightning talks introducing each group

BlackHolistic Lightning Summary Talks.pdf

Wednesday 11 June

09:00 → 10:30 The Africa Millimetre Telescope project

09:20 Status of the AMT Project

Speaker: Marc Klein Wolt (Radboud University, Radboud Radio Lab)

09:50 AMT performance depending on site and telescope

Speaker: Prof. Michael Backes (University of Namibia)

Backes-AMT Science Performance.pptx

10:10 Open discussion

Speaker: ALL

10:30 → 11:00 Coffee (provided)

11:00 → 12:30 The science of supermassive black holes

11:00 Long-term radio variability of AGN

Speaker: Sofia Kankkunen (Aalto University Metsähovi Radio Observatory)

Blackholistic_Sofia_Kankkunen.pdf

Blackholistic_Sofia_Kankkunen.pptx

11:15 Solving the Mystery of High-Energy Neutrinos via Blazar Radio Monitoring

Speaker: Pouya Kouch (University of Turku)

PMK_Blz-v-Neut_BlackHolistic_2025-06-11.pdf

11:30 Multi-wavelength modelling of 5 low-luminosity AGN

Speaker: Ruby Duncan (University of Amsterdam)

rduncan_blackholistic_pres.pptx

11:45 ALMA Faraday rotation observations of the radio galaxy 3C120

Speaker: Mikael Turkki (FINCA, University of Turku)

blackholistic25_slides_110625.pdf

12:00 Kinematically, XRB jets are just as relativistic as those from AGN

Speaker: Clara Lilje (University of Oxford)

Clilje_blackholistic.pptx

12:15 ALMA2040: Jets and transients in the '40s

Speaker: Karri Koljonen

ALMA2040-Otaniemi.pdf

12:30 → 13:30 Lunch (provided)

13:30 → 15:00 Understanding black holes through theory and modeling

13:30 Describing the ultra-fast very-high-energy gamma-ray flare of IC 310 with relativistic reconnection models

Speaker: Jenni Jormanainen (University of Turku)

Blackholistic2025_jormanainen.pdf

13:48 Outflows in adaptive-GRMHD: A theoretical view on dynamical structures and plasma mixing

Speaker: Subhrat Praharaj (University of Amsterdam)

ERCHelsinki.key

14:06 Lighting up a black hole: A Bayesian study of electron miscrophysics with multiwavelength data of M87*

Speaker: RITTICK ROY (UNIVERSITY OF AMSTERDAM)

Lighting up a black hole: Data-driven investigation of electron energetics in M87*

14:24 Work in Progress: Multi-messenger physics in GRMHD simulations

Speaker: Marc Klinger-Plaisier (Anton Pannekoek Institute - University of Amsterdam)

KlingerPlaisier_MM_GRMHD.pdf

14:42 Hydrodynamical simulations of XRB jets and realistic upper limits on the Lorentz factor

Speaker: katie savard

blackholistic_helsinki.pptx

15:00 → 15:30 Coffee (provided)

15:30 → 18:00 Parallel session: Management

15:30 → 18:00 Parallel session: Speed dating between theory and non-theory people

Thursday 12 June

09:00 → 10:30 Instrumentation

09:00 AMT instrumentation overview

Speaker: Annelies Ampe (Radboud RadioLab)

Ampe_Annelies_AfricaMillimeterTelescope_ERC_BlackHolistik.pdf

Ampe_Annelies_AfricaMillimeterTelescope_ERC_BlackHolistik.pptx

09:20 AMT front-end

Speaker: Baryshev Andrey

09:40 Triple-band receiver for Metsähovi Radio Observatory

Speaker: Tuomas Savolainen (Aalto University)

Savolainen.pptx

10:00 Versatile RFSoC backend for radio astronomy

Speaker: Kaj Wiik (Aalto University, Metsähovi Radio Observatory, Finland)

Versatile RFSoC backend for radio astronomy.pdf

10:20 Open discussion

Speaker: ALL

10:30 → 11:00 Coffee (provided)

11:00 → 12:30 Science of the Event Horizon Telescope

11:00 Sgr A* dynamics project (theory & observations)

Speaker: Michael Florian Wondrak

2025_06_11-BlackHolistic-Helsinki-indico.pdf

11:18 Space VLBI

Speaker: Freek Roelofs

SVLBI_Finland.pdf

11:36 Resolving Black Holes

Speaker: Bram Van den Berg

11:54 Black Hole Spin Determination Using Lensed Images of Hot Spots

Speaker: Joost de Kleuver

12:12 Foundation models for Black Holes

Speaker: renze oosterhuis (Radboud University Nijmegen)

Blackhollistic_Helsinki.pdf

12:30 → 20:00 Excursion to Metsähovi Radio Observatory with food & sauna

Friday 13 June

09:00 → 10:00 Closed session: Management

10:00 → 10:30 Dynamic modelling presentation and discussion

Speaker: Freek Roelofs

10:30 → 11:00 Coffee (provided)

11:00 → 12:30 The science of stellar mass black holes

11:00 Swift J1727: a(nother) new black hole with large scale relativistic jets

Speaker: Andrew Hughes (University of Oxford)

Helsinki Pres.pptx

11:18 The fundamental plane of black hole activity from MeerKAT

Speaker: Justine Crook-Mansour

Justine_Crook_Mansouir_presentation.pdf

11:36 Multiwavelength signatures of the microblazar MAXI J1836-194’s outburst from radiative GRMHD simulations

Speaker: Leon David Sosapanta Salas (University of Amsterdam)

Blackholistic Helsinki RadGRMHD (no script).pdf

11:54 Extreme relativistic jets from a neutron star

Speaker: Fraser Cowie (University of Oxford)

Cir X-1 Blackholistic Helsinki.pdf

12:12 X-ray views of accretion discs and winds during phases of jet formation

Speaker: Zuobin Zhang

zhang_blackholistic.pdf

12:30 → 13:30 Lunch (provided)

13:30 → 15:00 Discussion and wrap up of the meeting