2nd Astro-COLIBRI multi-messenger astrophysics workshop

20 nov. 2023, 09:00 → 24 nov. 2023, 17:00 Europe/Paris

Institut Pascal

The key objective of this workshop is to discuss and develop a research agenda on interconnecting software tools for real-time multi-messenger astronomy. This international workshop provides a forum for leading scientists and young researchers to foster communication between developers and users covering a large range of expertise in the production and use of software tools that facilitates life in rapidly evolving real-time multi-messenger astronomy.

Recordings of all presentation are available on the Astro-COLIBRI YouTube channel

 

 

Funding and support from:

merci.pdf

lundi 20 novembre

09:00 → 10:00 Arrival at Insitut Pascal

10:00 → 12:30 Introduction

https://cern.zoom.us/j/64686703976?pwd=Q0tkUGIxSzVQNjl6d2IvaURHaHlQdz09

ID de réunion: 646 8670 3976
Code secret: 760146

10:00 Welcome

Orateurs: Fabian Schüssler (IRFU / CEA Paris-Saclay), Yves BALKANSKI (Institut Pascal - UPSaclay)

Intro_2ndAstro-COLIBRIworkshop_IPA2023.pdf

10:30 Multi-messenger transients

Orateur: Marica Branchesi

MBranchesi_Colibrì.pdf

11:30 MWL+MM emission of GRBs

Orateur: Giancarlo Ghirlanda (INAF-Osservatorio di Brera)

G.Ghirlanda_AstroColibri_2023.pdf

12:00 MWL/MM emissions of AGN

Orateur: Foteini Oikonomou (Norwegian University of Science and Technology (NTNU))

Astrocolibri_2023_Foteini.pdf

12:30 → 14:00 Buffet lunch

14:00 → 15:30 MWL+MM platforms: Alert distribution

https://cern.zoom.us/j/66886779806?pwd=Uk44eC83ODBIZFcrVGV5YUgyUGR3Zz09

ID de réunion: 668 8677 9806
Code secret: 733876

14:00 Virtual Observatory

Orateur: Ada Nebot

NEBOT-ASTRO-COLIBRI-1ST-2022.pdf

14:30 GCN

General Coordinates Network (GCN): NASA’s Next Generation Time-Domain and Multimessenger Astronomy Alert System

Abstract:The Gamma-ray Coordinates Network (GCN) is a public collaboration platform run by NASA for the astronomy research community to share alerts and rapid communications about high-energy, multimessenger, and transient phenomena. Over the past 30 years, GCN has helped enable many seminal advances by disseminating observations, quantitative near-term predictions, requests for follow-up observations, and observing plans. GCN distributes alerts between space- and ground-based observatories, physics experiments, and thousands of astronomers around the world. With new transient instruments from across the electromagnetic spectrum and multimessenger facilities, this coordination effort is more important and complex than ever. We introduce the General Coordinates Network, the modern evolution of GCN built on modern, open-source, reliable, and secure alert distribution technologies, and deployed in the cloud. The new GCN is based on Apache Kafka, the same alert streaming technology that has been selected by the Vera C. Rubin observatory. In this talk, we will present the status and design of the new GCN, a tutorial on how to stream alerts, and a vision of its growth as a community resource in the future.

Orateur: Judith Racusin (NASA)

https://nasa-gcn.github.io/gcn-presentation/

15:00 ZTF/LSST brokers (e.g. European Broker Initiative)

Orateur: Jakob Nordin (Humboldt Universität, Berlin)

Brokers_AstroColibri23.pdf

15:30 → 16:00 Coffee break

16:00 → 17:30 Astro-COLIBRI

https://cern.zoom.us/j/65045162644?pwd=QThndTZkMWZMSENkSHh0bTBlZDVpdz09

ID de réunion: 650 4516 2644
Code secret: 499738

16:00 General ideas and history

Orateur: Patrick Reichherzer (Ruhr-Universität Bochum (RUB))

History_and_Introduction_Astro-COLIBRI.pdf

16:45 Current version and features

Orateur: Mathieu de Bony de Lavergne (IRFU, CEA, Université Paris-Sacla)

20231120_AstroCOLIBRI_functionnality.pdf

mardi 21 novembre

09:00 → 10:00 Contributed talks

https://cern.zoom.us/j/67115828357?pwd=UmdwbW0yWHBDOFRjV2NBdjNhd3g2dz09

ID de réunion: 671 1582 8357
Code secret: 258727

09:00 IceCube realtime alerts: science and infrastructure

In recent years, the IceCube realtime program has been publishing alerts following the detection of neutrinos with moderate-to-high probability of being astrophysical. Such alerts are distributed through the NASA General Coordinates Network in two steps: a prompt notice with preliminary details, followed by a circular containing detailed reconstruction information. In this contribution, I will give an overview of the IceCube realtime activities, focused on the IceCube realtime alert selection criteria and on the ongoing efforts to improve the neutrino directional reconstruction. Finally, I will discuss existing and prospective synergies between the IceCube realtime program and the Astro-COLIBRI platform.

Orateur: Massimiliano Lincetto (RUB)

Lincetto - AstroColibri.pdf

09:20 Online Analysis Framework for Multi-Messenger Astronomy with KM3NeT

KM3NeT is a Cherenkov-based neutrino telescope under construction in the depth of the Mediterranean sea. It will consist of two main detectors, ARCA and ORCA, sensitive to energies from MeV to PeV. Presently a fraction of both detectors is already data-taking with a completion date foreseen for 2028.
The telescope design allows for a high duty-cycle, a large field of view, and an unprecedented angular resolution which can be as good as 0.1 deg. To turn that into an asset for multi-messenger astronomy, KM3NeT should be able to identify interesting neutrino candidates and send the relevant information of the reconstructed events in a very short time, allowing for a prompt follow-up of events from transient or variable sources by other observatories. In addition, KM3NeT can provide a follow-up of alerts emitted by partner experiments and be used to refine the position of poorly localized triggers, like gravitational wave alerts.

This contribution reports on the status of the KM3NeT online analysis framework that has been running since October 2022. The current performance for KM3NeT/ARCA and KM3NeT/ORCA detectors together with a summary of the most relevant results will be presented, as well as some of the tasks performed by the WP4.3 team of the KM3NeT-INFRADEV2 project.

Orateur: Vincent Cecchini (KM3NeT-INFRADEV2, IFIC Valencia, CSIC)

Talk_2ndAstroColibri_KM3NeTOnline_CecchiniV.pdf

09:40 Searching for sub-TeV neutrino counterparts to sub-threshold gravitational wave events

Since the release of the Gravitational Wave Transient Catalog GWTC-2.1 by the LIGO-Virgo collaboration, sub-threshold gravitational wave (GW) candidates are publicly available. They are expected to be released in real-time as well, in the upcoming O4 run. Using these GW candidates for multi-messenger studies complements the ongoing efforts to identify neutrino counterparts to GW events. This in turn, allows us to schedule electromagnetic follow-up searches more efficiently. However, the definition and criteria for sub-threshold candidates are pretty flexible. Finding a multi-messenger counterpart via archival studies for these candidates will help to set up strong bounds on the GW parameters which are useful for defining a GW signal as sub-threshold, thereby increasing their significance for setting up follow-up searches. Here, we present the current status of this ongoing work with the IceCube Neutrino Observatory. We perform a selection of the sub-threshold GW candidates from GWTC-2.1 and conduct an archival search for sub-TeV neutrino counterparts detected by the dense-infill array of the IceCube Neutrino Observatory, known as "DeepCore". An Unbinned Maximum Likelihood method is used for this. We report the 90% C.L. sensitivities and 3 sigma discovery potential flux of this sub-TeV neutrino dataset for each selected sub-threshold GW candidate, considering spatial and temporal correlation between the GW and neutrino events within a 1000 s time window.

Orateur: Tista Mukherjee (IAP, KIT)

Mukherjee_Astro-Colibri Workshop.pdf

10:00 → 10:30 Coffee break

10:30 → 12:00 Contributed talks

https://cern.zoom.us/j/67115828357?pwd=UmdwbW0yWHBDOFRjV2NBdjNhd3g2dz09

ID de réunion: 671 1582 8357
Code secret: 258727

10:30 tilepy: rapid tiling strategies in mid/small FoV observatories

Orateur: Monica Seglar Arroyo (IFIC)

tilepy_vFinal.pdf

10:50 Observing Strategy for Electromagnetic Follow-up of Gravitational-Wave Events

In the realm of multi-messenger astronomy (MMA), Implementing an optimal observing strategy to follow electromagnetic (EM) counterparts across the network observatories is a crucial factor to achieve successful observations. By employing the Multi Order Coverage (MOC) data structure and ranking methods, we present an observing strategy in the context of the GECKOrchester tool. The performance of this strategy is evaluated through its application at the Korean network observatory for ongoing and future observing runs of the Advanced LIGO, Advanced Virgo, and KAGRA collaboration.

Orateur: Elahe Khalouei (Seoul National University)

Elahe Khalouei.pdf

11:10 Powering Source of Gamma Ray Burst Associated Supernovae: Spin-down Millisecond Magnetar?

The diversity in the observed properties of different types of supernovae (SNe) are crucial to understanding how the life of stars ends differently. Diversity among underlying powering mechanisms may play a vital role among other possible factors (e.g., progenitor, environment). Unique properties and scarcity of Gamma-ray bursts (GRBs) associated SNe (GRB-SNe) seek attention and are exciting for investigating their underlying powering sources. There are three traditional standard models to explain the properties of most of the SNe; radio-active decay of Ni-56 (RD), spin-down millisecond magnetar (MAG), and ejecta-circumstellar interaction (CSM). A magnetar with a spin period of 1 millisecond, mass of 1.4 solar masses, and radius of 10 kilometers has a rotational energy reservoir of nearly 2.2x10^53 ergs, hence can explain the light-curves of various types of SNe, including GRB-SNe. With a given opportunity, I would like to talk about how milliseconds magnetars are the most favorable powering sources of GRB-SNe and will discuss the ultimate tools, such as MOSFiT, MINIM, TigerFit, etc., to probe their characteristics.

Orateur: Amit Kumar (University of Warwick)

2nd_Astro-COLIBRI_IPa_Amit-Kumar.pdf

11:30 Detectability of GRB Optical Prompt and Afterglow with Iranian National Telescope

Iranian National Observatory Project is a medium size optical telescope with a primary diameter of 3.4m dedicated for observations of galactic/extra galactic and transient sources. The telescope is an optical RC telescope benefitting from on axis Cassegrain focus and side Cassegrain stations. We aim to detect GRB afterglows and optical prompts/ Kilonoveas and the optical counterparts of GW sources with INO and to joint the community of optical follow up observations with ground based telescopes. I will give a report about our telescope and our efforts to prepare for follow up observations including both software and hardware developments.

Orateur: Soroush Shakeri (Isfahan University of Technology (IUT))

Shakeri_INT.pdf

12:00 → 13:30 Lunch break

13:30 → 15:00 Brokers and follow-up

https://cern.zoom.us/j/65926920200?pwd=ZGxLdVlwTE93K2pIZ0R5M1JobjJqQT09

ID de réunion: 659 2692 0200
Code secret: 554712

13:30 ASAS-SN SkyPatrol

The All-Sky Automated Survey for Supernovae (ASAS-SN) began observing in late-2011 and has been imaging the entire sky with nightly cadence since late 2017. A core goal of ASAS-SN is to release as much useful data as possible to the community. Currently our Sky Patrol platforms allow users to retrieve forced photometry light curves or to query any number of the continuously updated light curves form our catalog of over 100 million targets. Our team is constantly adding tools for light curve analysis, and in the near future we are planning to release a tool for users to setup alert systems on given subsets of our targets that can be triggered in real time as we image the sky. As an open source platform, we not only take in recommendations from the community, but also benefit from a number of direct contributions to our code base.

Orateur: Kyle Hart

ASAS-SN Sky Patrol V2.0: Documentation

ASAS-SN Sky Patrol V2.0: Python Client

ASAS-SN Sky Patrol V2.0: Web Interface

SkyPatrol_Astro-Colibri.pdf

SkyPatrol_Demo.ipynb

14:00 SkyPortal

Orateur: Theophile Jegou du Laz

Skyportal_astrocolibri.pdf

14:30 BHTom

Orateur: Lukasz Wyrzykowski (Warsaw University Astronomical Observatory)

2023.11-21-AstroColibri-BHTOM.pdf

15:00 → 15:30 Citizen science

https://cern.zoom.us/j/64380403001?pwd=eDFCcC9UTjVTa0d2ZjhIcDJrRVdZQT09

ID de réunion: 643 8040 3001
Code secret: 344296

15:00 Kilonova-Catcher

Orateur: Sarah Antier

Brochure_KNC_O4_EN_astrocolibri.pdf

Kilonova-catcher_astrocolibri.pdf

15:30 → 16:00 Coffee break

16:00 → 18:00 Citizen science

https://cern.zoom.us/j/64380403001?pwd=eDFCcC9UTjVTa0d2ZjhIcDJrRVdZQT09

ID de réunion: 643 8040 3001
Code secret: 344296

16:00 RAPAS

Orateur: Thierry Midavaine

2023-RAPAS-AstroColibri.pdf

16:30 AAVSO

Orateur: Heinz-Bernd Eggenstein (AAVSO)

Talk-AAVSO-astro-colibri-workshop-2023.pdf

17:00 The United Nations Open Universe Initiative

Orateur: Ulisses Barres de Almeida

OpenUniverse_InstPascal2023_compressed.pdf

17:30 Unistellar + SETI

Orateur: Tom Esposito

Unistellar_Transients_Astro-COLIBRI_2023-Esposito.pdf

18:00 → 18:15 Coffee break

18:15 → 19:00 Sciathon: introduction

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

Président de session: Fabian Schüssler (IRFU / CEA Paris-Saclay)

19:00 → 21:00 Social events: Beer + chips (+ Unistellar demonstration)

Chez Camille, Orsay
https://maps.app.goo.gl/naa85yj7A78au6Qs6

mercredi 22 novembre

09:30 → 12:30 Sciathon

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

12:30 → 14:00 Lunch

14:00 → 18:00 Sciathon

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

jeudi 23 novembre

09:30 → 12:30 Sciathon

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

12:30 → 14:00 Lunch

14:00 → 18:00 Sciathon

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

19:30 → 22:30 Social events: Dinner

Chez Camille, Orsay
https://maps.app.goo.gl/naa85yj7A78au6Qs6

vendredi 24 novembre

10:00 → 12:00 Sciathon: Project presentations

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

12:00 → 12:30 Sciathon: Conclusion

https://cern.zoom.us/j/68847741726?pwd=QVBNaDlUSml1Y2MzN21pL0NocUNCZz09

12:00 Conclusions

Orateur: Fabian Schüssler (IRFU / CEA Paris-Saclay)

End_2ndAstro-COLIBRIworkshop_IPA2023.pdf

12:30 → 14:00 Lunch

14:00 → 16:00 Astro-COLIBRI: free discussions + brainstorming

https://cern.zoom.us/j/65045162644?pwd=QThndTZkMWZMSENkSHh0bTBlZDVpdz09

ID de réunion: 650 4516 2644
Code secret: 499738