GRAVITY+ Workshop / Centers of Galaxies

19 nov. 2024, 10:00 → 21 nov. 2024, 16:00 Europe/Paris

This workshop aims at bringing together the research community active in French institutes that is interested in GRAVITY+ science in the domains of our galactic center physics and active galactic nuclei in general. 

mar. 19 novembre

10:30 → 13:10 Galactic center / gravitation tests

10:30 Review talk: GRAVITY results at the GC, G+ perspective

Orateur: Thibaut Paumard (LESIA - CNRS/Observatoire de Paris)

GplusGC-even-shorter.pptx

11:00 The black hole no-hair theorem

Orateur: Eric Gourgoulhon (LUTH, Observatoire de Paris)

no-hair.pdf

11:30 Black-hole metric and disc physics degeneracy on highly lensed observables in SMBH images

Orateur: Irene Urso (LESIA, Paris Observatory)

GRAVITY+_UrsoIrene.pdf

11:50 Tests of GR with observations of the photon ring

Orateur: Aaron Held (École Normale Supérieure)

TalkAaron.pdf

12:10 Testing the presence of a fifth force at the Galactic Center

Orateur: Arianna Foschi (Observatoire de Meudon)

GRAVITY+_workshop.pdf

12:30 Probing spacetime curvature through polarized measurements of flares

Orateur: Frederic Vincent (Observatoire de Paris / LESIA)

QU.pdf

14:30 → 16:00 Active galactic nuclei

14:30 Review talk: GRAVITY results on AGNs, G+ perspective

Orateur: Pierre Vermot (LESIA)

15:00 AGNs with MATISSE and GRAVITY

Orateur: Romain Petrov

15:30 A high-energy view on galactic nuclei

Orateur: Andreas Zech (LUTH - Observatoire de Paris)

Zech_gravity2024.pdf

mer. 20 novembre

10:30 → 12:30 Galactic center / plasma physics and flares

10:30 Plasmas around black holes - Energy dissipation and non-thermal phenomena

Orateur: Martin Lemoine (Institut d'Astrophysique de Paris, CNRS - UPMC)

Lemoine_GRAVITY24.pdf

11:00 Recent advances in the GRPIC modeling of black hole magnetospheres

Orateur: Benoit Cerutti (Institut de Planétologie et d'Astrophysique de Grenoble / Université Grenoble Alpes)

bcerutti_Gravity+2024.pdf

11:30 PIC simulations of inclined black hole magnetospheres

Orateur: Enzo Figueiredo (IPAG, CNRS, Université Grenoble Alpes)

GRAVITY+_talk.pdf

11:50 A kinetic model of jet-corona coupling in accreting black holes

Orateur: John Mehlhaff

JMMehlhaff_MeudonTrimmed_20241120.pdf

12:10 Polarized flares from Sagittarius A*: Modeling and beyond

Orateur: Nicolas Aimar (LESIA, Observatoire de Paris, Université PSL, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. de Paris, Sorbonne Paris Cité, 5 place Jules Janssen, 92195 Meudon, France)

GRAVITY+_workshop_2024.pptx

14:00 → 14:50 Active galactic nuclei

14:00 Galactic nuclei and GRAVITY+

Orateur: Francoise Combes (Observatoire de Paris)

Combes-GRAVITY-24.pdf

14:30 The complex ionized gas kinematics surrounding the nucleus of M 87

Orateur: Juan David Osorno Quiceno (Paris observatory (LESIA))

jeu. 21 novembre

10:30 → 12:00 Galactic center / stellar cluster and orbits

10:30 Kinetic theory perspective on stellar orbits

Orateur: Jean-Baptiste Fouvry

Gravity+_FOUVRY.pdf

10:50 Stellar Dynamics in Galactic Nuclei

Orateur: Sofia Flores

11:10 Sgr A*’s spin and quadrupole moment effects on the orbits of S stars

Orateur: Karim Abd El Dayem (Observatoire de Paris (LESIA))

11:30 The heart of the Milky Way, from the large scale bulge down to the nuclear star cluster

Orateur: Paola Di Matteo

14:00 → 14:50 Other objects and scales

14:00 Echos of Sgr A* past activity

Orateur: Maïca Clavel

14:30 X-ray binaires observation by GRAVITY, and G+ perspectives

Orateur: pierre-olivier petrucci (IPAG)

presentation.pdf