Cosmic Dawn

EoR

21cmSense v2: A modular open-source 21 cm sensitivity calculator

A new method for computing the power of 21cm experiments to detect the cosmological 21cm signal.

Steven G. Murray

• May 9, 2024 • 1 min read

EoR

EOR, Cosmic Dawn and the SKA

I gave an invited scientific overview of EoR, Cosmic Dawn, and Italy's involvement in the SKA.

Steven G. Murray

• Nov 28, 2023 • 1 min read

EoR

EDGES-3

I gave an invited review of the progress of the EDGES experiment

Steven G. Murray

• Sep 6, 2023 • 1 min read

Theory

FORWARD

FORWARD is the name of my Marie Sklodowska-Curie Fellowship. It's not an acronym: it is short for "Forward-Models of Cosmic Dawn: connecting 21cm simulations to the real world". …

Sep 1, 2023 • 1 min read

EoR

Power Spectrum Sensitivity

I wrote this memo quite a while back, trying to get some power spectrum noise calculations correct. I’ve shared it a few times with different folks, so I thought I’d put it up here …

Nov 15, 2022 • 1 min read

EoR

Cosmic Dawn

Cosmic Dawn refers to the time in the Universe’s past when the first stars and galaxies burst into life. We know such a time exists, simply because we know there was a time without …

Nov 15, 2022 • 10 min read

Experiment

SKA

The **SKA** will be the largest radio telescope ever built, with a collecting area of over a square kilometre. It will be able to detect the faintest signals from the early …

Oct 27, 2022 • 1 min read

Experiment

HERA

The **Hydrogen Epoch of Reionization Array** is one of the largest radio interferometers in the world, and is looking to map the effects of the first stars, galaxies and black …

Oct 27, 2022 • 3 min read

Experiment

EDGES

The **Experiment to Detect the Global Eor Signal** is a "global 21cm signal" experiment. It reported the [first evidence](https://arxiv.org/ftp/arxiv/papers/1810/1810.05912.pdf) …

Oct 27, 2022 • 4 min read

Cosmic Dawn

21cmSense

21cmSense computes sensitivity estimates for radio interferometers like HERA and the SKA. Originally written by Jonathan Pober, I have been the primary maintainer and developer of …

Oct 27, 2022 • 1 min read