Argos Telescope

22/09/2023

We are a month away from the first ARGOS workshop!

Register here:
https://events.ia.forth.gr/event/5/

Argos is a concept for a leading-edge, low-cost "small-D, big-N" interferometer in Europe.

29/08/2023

Join us today for our first community webinar! Details below 👇

We are excited to announce a new series of Argos community webinars!

Join us to hear about the progress and challenges of the Argos design study, discover new scientific results that are relevant to the Argos science goals, and engage with the Argos team and other community members and share your ideas and questions.

The first seminar in the series will be given on
August 29, 16:00 UTC,
by the ARGOS project coordinator Dr. John Antoniadis. He will give an overview of the project and timelines.

register here 👇
https://events.ia.forth.gr/e/argos-webinar-1

10/08/2023

Off to your much-deserved holidays? remember to turn off your mobile devices when you fly 🛫

Leaving your phone on can cause excessive radio frequency interference and also overwhelm and take down entire cellular networks on the ground.

How? Watch this 4-minute video from TED-Ed to find out 👇

Dig into how airplane mode works, and find out why it’s still important to use the setting when you fly.--Right now, invisible signals are flying through the...

25/07/2023

We are delighted to announce "Science Priorities for a European Wide-Field Radio Interferometer"

The meeting will take place between October 24 - 27, 2023.
The ground event location is the Foundation for Research and Technology - Hellas, in Heraklion, Crete, Greece

The workshop aims to bring together experts and stakeholders from various fields of radio astronomy to discuss the scientific potential and challenges of a future European wide-field radio interferometer.

https://argos-telescope.eu/argos2023/argos2023.html

The workshop will cover topics such as:
Recent advances and emerging themes in radio astronomy and transient astrophysics
The science priorities for ARGOS: pulsar timing, PTAs, FRBs, cosmology, transients, techno-signatures, VLBI, high-energy astrophysics and more
The technical requirements and design options for the instrument: (configuration, data processing, calibration etc)
The synergies and complementarities of ARGOS with other existing and planned radio facilities such as LOFAR, SKA, DSA2000, MeerKAT, ASKAP, FAST, Chime, etc.
The roadmap and timeline for the development and implementation of ARGOS

The workshop will feature invited and contributed talks, posters, and panel discussions. Submissions that contribute to the development of the ARGOS Science Requirements will be compiled in a proceedings volume (the ARGOS blue book) after peer review.

We invite interested parties to register and submit abstracts for oral or poster presentations via the workshop website:

https://events.ia.forth.gr/event/5/

The deadline for abstract submissions is September 25, 2023.

Argos is a concept for a leading-edge, low-cost "small-D, big-N" interferometer in Europe.

21/07/2023

An Op(p)en Scope is what you need 😍

20/07/2023

Radio waves from a long-period source!

An international team including Argos Telescope Lead Digital Engineer Dr. Ewan Barr and Backend Engineer Dr. Yunpeng Men,
has discovered a new type of stellar object that challenges our understanding of the physics of neutron stars.

The object could be an ultra-long period magnetar, a rare type of star with extremely strong magnetic fields that can produce powerful bursts of energy. Until recently, all known magnetars released energy at intervals ranging from a few seconds to a few minutes. The newly discovered object emits radio waves every 22 minutes, making it the longest period magnetar ever detected.

The research was published in the journal Nature.
https://www.nature.com/articles/s41586-023-06202-5

MPIfR Press Release: https://www.mpifr-bonn.mpg.de/pressreleases/2023/9

Image: An artist’s impression of the ultra-long period magnetar—a rare type of star with extremely strong magnetic fields that can produce powerful bursts of energy © ICRAR

19/07/2023

We are excited to announce a new series of Argos community webinars!

Join us to hear about the progress and challenges of the Argos design study, discover new scientific results that are relevant to the Argos science goals, and engage with the Argos team and other community members and share your ideas and questions.

The first seminar in the series will be given on
August 29, 16:00 UTC,
by the ARGOS project coordinator Dr. John Antoniadis. He will give an overview of the project and timelines.

register here 👇
https://events.ia.forth.gr/e/argos-webinar-1

10/07/2023

We are really happy to announce that the RFI measurements campaign was concluded last week! Two main sites were examined, Skinakas Observatory and Nida Plateau.
The campaign was based on the SKA RFI protocol and Mode 1 measurements were undertaken.
Data processing will follow soon. Stay connected...

10/07/2023

In a series of papers published in Astronomy & Astrophysics, European Pulsar Timing Array scientists, including many Argos members, show that their data are consistent with a “background hum” of low frequency gravitational waves. These elusive waves are ripples in the fabric of space-time, predicted by Albert Einstein's general theory of relativity, and oscillate with timescales of years to decades, much slower than those detected by ground-based interferometers such as LIGO and VIRGO.

This result is a crucial milestone in opening a new window in the gravitational wave spectrum, which will allow astronomers to study the formation and evolution of supermassive black holes and their host galaxies across cosmic time. It will also provide new tests of gravity and dark matter, potentially also revealing the physical processes that shaped the early Universe.

Once built, Argos Telescope will become the most sensitive EPTA instrument, allowing us to better explore the low-frequency gravitational-wave window.

FORTH press release:
https://www.forth.gr/en/news/show/&tid=2263

the EPTA Papers:

Main result (background search and properties)
III: https://arxiv.org/abs/2306.16214

the Dataset
I: https://arxiv.org/abs/2306.16224

Noise Modeling
II: https://arxiv.org/abs/2306.16225

Continuous GW search
IV: https://arxiv.org/abs/2306.16226

Implications for black holes, dark matter, and the early Universe
V: https://arxiv.org/abs/2306.16227
I
Implications for ultralight dark matter
VI: https://arxiv.org/abs/2306.16228

08/07/2023

Astronomy is being transformed by surveys performed with instruments capable of searching the sky for multi-messenger signals with high speed and sensitivity, while delivering science-read datasets to the community. While radio astronomy is not yet fully participating in this revolution, an instrument following the same philosophy that would finally open the dynamic radio sky for exploration is not only urgent but inevitable.

ARGOS is a concept for a leading-edge, low-cost, sustainable “small-D, big-N” radio interferometer that will realize this ambition, directly addressing multiple fundamental scientific questions, from the nature of dark matter and dark energy to the origin of fast radio bursts.

the project "ARGOS Conceptual Design Study: Designing a Next-Generation Radio Facility for Multi-Messenger Astronomy" is funded by the European Commission under the HORIZON-INFRA-2022-DEV-01 call Grant Agreement number: 101094354

ARGOS is a project aiming to design and deploy a European