# Gravitational-wave cosmology with dark standard sirens: forecasts using binary black hole observations in the 3G era

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Dear all,

On Monday,**October 17 at 10.00** we will be welcoming **Rachel Gray** (Queen Mary University of London) for the gravitation group seminar. The seminar will take place online - the zoom link can be found below.

Rachel will talk about cosmological constraints from gravitational wave dark sirens and galaxy catalogs.

__Title: __

Cosmology with Dark Sirens and Galaxy Catalogues

__Abstract: __

On Monday,

Rachel will talk about cosmological constraints from gravitational wave dark sirens and galaxy catalogs.

Cosmology with Dark Sirens and Galaxy Catalogues

On Monday, **October 3 at 10.00** we will be welcoming **Nicola Franchini **(APC) for the gravitation group seminar. The seminar will take place in room 631B, (a zoom link can be found below).

Nicola will talk about the constraints from quasinormal modes on black hole perturbation potentials.

__Constraining modifications of black hole perturbation potentials near the light ring with quasinormal modes__

__Abstract__

Nicola will talk about the constraints from quasinormal modes on black hole perturbation potentials.

On Monday, **September 19 at 14.00 **we will be welcoming **Jakub Klencki **(ESO Garching and Max Planck Institute for Astrophysics Garching) for the gravitation group seminar. The seminar will take place online, (the zoom link can be found below).

__Title__: From massive stars through X-ray binaries to gravitational-wave sources

__Abstract: __

Next week we will be welcoming **François Larrouturou** (DESY Hamburg) for the Gravitation group seminar.

The seminar will take place in person, in room 371A-Klein (the zoom link can be found below)**next ****Monday, July 11 at 10:00**.

François will give an introduction to:

**Title** : Minimalism as guideline to construct new paradigms.

*Abstract* :

The seminar will take place in person, in room 371A-Klein (the zoom link can be found below)

François will give an introduction to:

Riccardo will give an introduction to:

After recalling the definition of a black hole and its basic properties (mass, angular momentum and area), the seminar will focus on links between black holes and gravitational waves. In particular black hole thermodynamics will be discussed in connection with gravitational wave emission, as well as the so-called black hole information paradox.

Contact kleydeapc.in2p3.fr for zoom meeting details.

Contact kleydeapc.in2p3.fr for zoom meeting details.