We are very pleased to offer you the very first Newsletter that will allow you to discover the activities of ORP. We have imagined it to be dynamic and responsive. In this letter, you will have the opportunity to understand the motivations of ORP, to discover some scientific results illustrating our activities and the latest general news. We hope that you will enjoy reading this first Newsletter as much as we enjoyed preparing it.

Wishing you all a wonderful Christmas and a happy New Year!

Stéphane Basa, ORP Coordinator

Multiwavelength Conversations

The Multiwavelength Conversations is a series of interviews where members of the optical and radio communities come together to discuss about the benefits of a multiwavelegth approach in astronomy and what will be the impact of the ORP project. For inaugurating the series, we welcome Prof. Gerry Gilmore, the ORP Scientific Coordinator Opticon, and Prof. Anton Zensus, the ORP Scientific Coordinator RadioNet. Read interview.

ORP Joint Actions: Preserving the Skies for Future Generations

by Gyula I. G. Józsa (Max Planck Institute for Radioastronomy)

For astronomy the one conditio sine qua non is the accessibility of a dark and quiet sky. Without access to the sky, earth-bound astronomy simply ceases to exist. Especially in Europe, the unperturbed sky becomes rarer and rarer. In the optical regime, light pollution in the form of both artificial light at night as well as reflections of solar light from satellites make observations for research or at an amateur level increasingly difficult. In most large cities people are lucky if they see more than a few bright stars. In the radio regime, the increasing demand for mobile data carries an increase in the radio traffic and hence creates a radio-loud background threatening radio astronomical measurements. Read article.

Science with
ORP Infrastructures

On the path to unveil the mystery of Fast Radio Bursts

by Benito Marcote (Joint Institute for VLBI ERIC)

Fast Radio Bursts (FRBs) are bright and brief (only lasting milliseconds or less) flashes of radio light of unclear nature and cosmological origin. Firstly discovered in 2007, we have now detected hundreds of FRBs. Among those, only a small fraction are known to repeat, although it still remains unclear if there are different types of FRBs or all belong to the same population. Read article.

Hunting for the sources of Ghost particles

by Anna Franckowiak (Ruhr-University Bochum)

Neutrinos are the most elusive elementary particles we know of. They have no charge, almost no mass and almost never interact. In summary: they are really hard to catch. At the same time they are unique messengers from the Universe, directly tracing the acceleration of protons and heavier nuclei in distant sources. So it is worth the effort to build giant detectors to catch at least some of the ghostly particles. Read article.

An EVN contribution to the search for neutrino-sources

by Cristina Nanci (Università di Bologna & Istituto Nazionale di Astrofisica - Istituto di Radioastronomia (INAF - IRA))

For a long time, the European VLBI Network (EVN) facilities served a crucial role in the investigation of the physics of powerful radio-loud AGN called blazars. As part of my PhD, I am exploiting the EVN's high-resolution capabilities to study the parsec-scale regions of these sources in particular as a possible site of neutrino production. This is a rather new field of research, started with decades of theoretical predictions, but only recently refreshed thanks to some interesting observational indications. In 2017 indeed, in the close proximity of a neutrino event, the gamma-ray blazar TXS 0506+056 was detected while undergoing a flare. The coincidence of the neutrino detection with the flare from this source confirmed for the first time the association of a neutrino with an astrophysical source. Read article.

Understanding stellar explosions via their luminosity evolution

by Cosimo Inserra (Cardiff University)

My consortium (the advanced Public ESO Spectroscopic Survey of Transient Objects  - ePESSTO+) and I work on supernovae and unusual extragalactic transients such as kilonovae and tidal disruption events. Our survey and its predecessors (PESSTO and ePESSTO) have changed the way we carry out transient science at ESO. A critical aspect of this success is the ideal combination of Opticon RadioNet Pilot (ORP) time for fast and flexible optical photometry combined with the ESO 3.6m NTT optical and NIR spectroscopy. Read article.

ORP Updates


ORP survey to assess users' needs for astronomical infrastructures
7th Wavefront Sensing Workshop successfully organised in Portugal
The ALMA Science Archive School train astronomers to exploit ALMA Archive


Kirsten et al. (2022) - A repeating fast radio burst source in a globular cluster. Nature 602, 585–589 (2022)
Kruszyńska et al. (2022) - Lens parameters for Gaia18cbf – a long gravitational microlensing event in the Galactic plane. A&A 662, A59.

Upcoming Calls


Official inauguration of NOEMA
2022 NEON School teaches hands-on observing
ERIS 2022 School inspires new generation of astronomers
Read about other ORP News >>


Nimmo et al. (2022) - Burst timescales and luminosities as links between young pulsars and fast radio bursts. Nat Astron (2022)
Cruz-Sáenz de Miera et al. (2022) -  Recurrent Strong Outbursts of an EXor-like Young Eruptive Star Gaia20eae. ApJ 927 125.
ORP Brochure
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Upcoming Events

The ORP project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 101004719 ​

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