[Astro] [CAPT] Particle Cosmology and Gravity Seminar this week: Rachel Gray

[Swagat Mishra]

Dear All,
                I am writing to inform that we will begin the seminar at 13.15 today, instead of 13.00 (because a number of our staff may be in a different meeting).

Apologies for the delayed meeting.

With Regards,
-Swagat


Swagat Saurav Mishra,

Postdoctoral Research Associate

​

Particle Cosmology Group,

Centre for Astronomy and Particle Theory,

University of Nottingham, Nottingham NG7 2RD, UK.

Website: https://swagatam18.wordpress.com/

Research Link:https://inspirehep.net/authors/1517353

________________________________
From: NCOG-people <ncog-people-bounces at lists.nottingham.ac.uk> on behalf of Elisa Todarello <Elisa.Todarello at nottingham.ac.uk>
Sent: 16 June 2025 08:00
To: capt at nottingham.ac.uk <capt at nottingham.ac.uk>; maths-quantum-gravity-group at lists.nottingham.ac.uk <maths-quantum-gravity-group at lists.nottingham.ac.uk>; O365-Gravity Laboratory <o365-gravitylaboratory at UniofNottm.onmicrosoft.com>; ncog-people at nottingham.ac.uk <ncog-people at nottingham.ac.uk>
Cc: Bobby Acharya <bacharya at ictp.it>; Jacob Thornley <ppyjt15 at exmail.nottingham.ac.uk>; Rachel Gray <rachel.gray at glasgow.ac.uk>; Leonora van Deurs <ppylv1 at exmail.nottingham.ac.uk>; Ella Batchelor (staff) <ppzeb1 at exmail.nottingham.ac.uk>
Subject: [Ncog-people] Particle Cosmology and Gravity Seminar this week: Rachel Gray

Dear All,

                  We have a seminar this week. The details are provided below -

-----------------------------------------

Speaker: Rachel Gray (Glasgow)

Seminar date: June 17th, Tuesday, 1 pm UK time

Venue: Seminar Room A 113 (Cripps North Building, CAPT)


Title: Using gravitational waves to solve the Hubble tension

Abstract: Gravitational wave signals from compact binary mergers are of huge interest to the cosmology community due to their ability to act as standard sirens, providing measurements of luminosity distance which are independent of the cosmic distance ladder. This opens up new ways of measuring cosmological parameters, with particular focus on the Hubble constant, with the hopes of arbitrating the current Hubble tension. However, in order for this measurement to be made, additional redshift information is required. In the scenario where the merger is observed without a confirmed electromagnetic counterpart - true for all but one of the detections from the LIGO-Virgo-KAGRA collaboration to date - galaxy surveys, and the population of gravitational waves themselves, can be used to provide this missing information. I will introduce these latest methods and look at what the gravitational wave detections from the LIGO-Virgo-KAGRA collaboration can tell us so far, and how they might pave the way for solving the Hubble tension.

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Link to join:

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List of upcoming Seminars:

24th June: Dong-Gang Wang (Hong Kong UST)
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With Regards,
-Elisa & Swagat





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