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Journal Club Seminars

Contents

The Journal Club talks take place on Fridays from 12:00 - 1:00pm in SERF 383. Generally pizza and soda are served.

The Journal Club is crafted to be a very informal and friendly environment where graduate students can present talks on any subject of interest to them, be it a recent journal paper, their own research work, or any topic.

Everyone is welcome to attend.

If you are interested in giving a talk, please contact: Stella Zhang

Past journal club talks are listed in the sidebar by year.

Upcoming Journal Club Seminars

FALL 2019


October 25, 2019

NOTE: CASS Annual Sexual Harassment and Discrimination Training
@ Noon in SERF 383

 (in lieu of Journal Club)

Pizza & soda provided!

Helen Kaiser from the Office for the Prevention of Harassment & Discrimination (OPHD) will be the featured speaker. Everyone is encouraged to attend.



November 1, 2019

 "Measuring the Hubble constant from time-delays of strongly lensed quasars"

Anowar Shajib (12:00-1:00)
PhD candidate, Astronomy and Astrophysics
UCLA

 The recent tension between early- and late-Universe measurements of the Hubble constant highlights the necessity for independent and precise probes such as the time-delay cosmography. The measured time-delays between the lensed images of a background quasar depend on the absolute physical scales in the lens configuration. Thus, the time-delays allow measurements of these scales to infer the Hubble constant, H_0. Due to a number of great advancements over the past decade in both the data quality and modeling techniques, the measurement of H_0 from the time-delays has fulfilled its promise to be competitive with other traditional methods such as the cosmic distance ladder. This is evident from the recent 2.4% blind measurement of H_0 from only six lenses (Wong et al. 2019). Simulation shows that a sample of nine lenses shrinks the uncertainty on this measurement to 2% (Shajib et al. 2018). I will present the Hubble constant measured from a newly analyzed lens system taking the sample size to seven. In addition, I will present the future roadmap of time-delay cosmography to independently reach 1% precision within a few years.



November 8, 2019

Daniel's Title: "Pulsar test of the universality of free fall"

Daniel Gonzales (12:00-12:30)
Physics Graduate Student
UCSD-CASS



November 15, 2019

Cameron Trapp (12:00-12:30)
Physics Graduate Student
UCSD-CASS



November 22, 2019

Azton Wells (12:00-12:30)
Physics Graduate Student
UCSD-CASS



November 29, 2019

NOTE: Thanksgiving holiday - No Journal Club



December 6, 2019

Jen Ito (12:00-12:30)
Physics Graduate Student
UCSD-CASS