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Acceptance Tests of more than 10 000 Photomultiplier Tubes for the multi-PMT Digital Optical Modules of the IceCube Upgrade
R. Abbasi, M. Ackermann, J. Adams +420
More than 10,000 photomultiplier tubes (PMTs) with a diameter of 80 mm will be installed in multi-PMT Digital Optical Modules (mDOMs) of the IceCube Upgrade. These have been tested…
Status and plans for the instrumentation of the IceCube Surface Array Enhancement
S. Shefali, Frank G. Schroeder
The surface array of IceCube, IceTop, operates primarily as a cosmic-ray detector, as well as a veto for astrophysical neutrino searches for the IceCube in-ice instrumentation. How…
Follow-up of gravitational waves alerts with IACTs using Astro-COLIBRI
Mathieu de Bony de Lavergne, Halim Ashkar, Atilla Kaan Alkan +4
Follow-up of gravitational wave alerts has proven to be challenging in the past due to the large uncertainty on the localisation, much larger than the field of view of most instrum…
Interpolation of Instrument Response Functions for the Cherenkov Telescope Array in the Context of pyirf
Rune Michael Dominik, Maximilian Linhoff, Julian Sitarek
The Cherenkov Telescope Array (CTA) will be the next generation ground-based very-high-energy gamma-ray observatory, constituted by tens of Imaging Atmospheric Cherenkov Telescopes…
Citizen Science Time Domain Astronomy with Astro-COLIBRI
Fabian Schüssler, M. de Bony de Lavergne, A. Kaan Alkan +2
Astro-COLIBRI is an innovative tool designed for professional astronomers to facilitate the study of transient astronomical events. Transient events - such as supernovae, gamma-ray…
Performance update of an event-type based analysis for the Cherenkov Telescope Array
Juan Bernete, Orel Gueta, Tarek Hassan +3
The Cherenkov Telescope Array (CTA) will be the next-generation observatory in the field of very-high-energy (20 GeV to 300 TeV) gamma-ray astroparticle physics. The traditional ap…
Mechanical design of the optical modules intended for IceCube-Gen2
Yuya Makino
IceCube-Gen2 is an expansion of the IceCube neutrino observatory at the South Pole that aims to increase the sensitivity to high-energy neutrinos by an order of magnitude. To this…
Operations plans and sensitivities of the IceCube Upgrade Camera System
Steven Rodan, Christoph Tönnis, Jiwoong Lee +1
The IceCube Upgrade consists of seven new strings to be deployed in the central region of the existing IceCube detector. The goals of the IceCube Upgrade are two-fold: to enhance s…
Astro-COLIBRI: An Advanced Platform for Real-Time Multi-Messenger Astrophysics
Fabian Schüssler, Mathieu de Bony de Lavergne, Atilla Kaan Alkan +2
Observations of transient phenomena like Gamma-Ray Bursts (GRBs), Fast Radio Bursts (FRBs), stellar flares and explosions (novae and supernovae), combined with the detection of nov…
A new simulation framework for IceCube Upgrade calibration using IceCube Upgrade Camera system
Christoph Tönnis, Seowon Choi, Carsten Rott +2
Currently, an upgrade consisting of seven densely instrumented strings in the center of the volume of the IceCube detector with new digital optical modules (DOMs) is being built. O…
Enhanced Starting Track Real-time Stream for IceCube
Jesse Osborn, Sarah Mancina, Manuel Silva
IceCube real-time alerts allow for rapid follow-up observations of likely astrophysical neutrino events, enabling searches for multi-messenger counterparts. The Enhanced Starting T…
Electronics Design of the IceCube-Gen2 Optical Module Prototype
Sean Griffin
IceCube-Gen2 is a planned extension to the existing IceCube Neutrino Observatory and will provide an order of magnitude increase in the detection rate of cosmic neutrinos by deploy…
Detailed investigations of PMTs in optical sensors for neutrino telescopes such as IceCube Upgrade
Berit Schlüter, Willem Achtermann, Martin Antonio Unland Elorrieta
Photomultiplier tubes (PMTs) are a central component of neutrino telescopes such as IceCube and KM3NeT, and an accurate understanding and measurement of their properties is indispe…
Performance studies on new 4" photomultiplier types intended for IceCube-Gen2 optical modules
Markus Dittmer, Alexander Kappes
In the upcoming IceCube-Gen2 extension, the newly developed optical modules will include 4-inch PMTs. For this purpose, the manufacturers Hamamatsu and North Night Vision Technolog…
Astro-COLIBRI 2 -- an advanced platform for real-time multi-messenger discoveries
P. Reichherzer, F. Schüssler, V. Lefranc +3
The study of flaring astrophysical events in the multi-messenger approach requires instantaneous follow-up observations to better understand the nature of these events through comp…
D-Egg: a Dual PMT Optical Module for IceCube
R. Abbasi, M. Ackermann, J. Adams +389
The D-Egg, an acronym for ``Dual optical sensors in an Ellipsoid Glass for Gen2,'' is one of the optical modules designed for future extensions of the IceCube experiment at the Sou…
Realtime alerts of the transient sky on mobile devices
P. Reichherzer, F. Schüssler, V. Lefranc +2
Follow-up observations of transient events are crucial in multimessenger astronomy. We present Astro-COLIBRI as a tool that informs users about flaring events in real-time via push…
Astro-COLIBRI -- The COincidence LIBrary for Real-time Inquiry for multimessenger astrophysics
P. Reichherzer, F. Schüssler, V. Lefranc +4
Astro-COLIBRI is a novel tool that evaluates alerts of transient observations in real time, filters them by user-specified criteria, and puts them into their multiwavelength and mu…
The H.E.S.S. Gravitational Wave Rapid Follow-up Program during O2 and O3
Halim Ashkar, Francois Brun, Matthias Füßling +8
Since 2015, the direct detection of Gravitational Waves (GWs) became possible with ground-based interferometers like LIGO and Virgo. GWs became the center of attention of the astro…
Science verification of the new FlashCam-based camera in the 28m telescope of H.E.S.S
Gerd Pühlhofer, Konrad Bernlöhr, Baiyang Bi +13
In October 2019 the central 28m telescope of the H.E.S.S. experiment has been upgraded with a new camera. The camera is based on the FlashCam design which has been developed in vie…
Astronomy outreach in Namibia: H.E.S.S. and beyond
Hannah Dalgleish, Heike Prokoph, Sylvia Zhu +6
Astronomy plays a major role in the scientific landscape of Namibia. Because of its excellent sky conditions, Namibia is home to ground-based observatories like the High Energy Spe…
Design and performance of the multi-PMT optical module for IceCube Upgrade
T. Anderson, L. Classen, A. T. Fienberg +5
The IceCube Upgrade is the first step towards the next-generation neutrino observatory at the South Pole, IceCube-Gen2, and will be installed in the central region of the existing…
A next-generation optical sensor for IceCube-Gen2
Vedant Basu, Aya Ishihara, Markus Dittmer +1
For the in-ice component of the next generation neutrino observatory at the South Pole, IceCube-Gen2, a new sensor module is being developed, which is an evolution of the D-Egg and…
Astro-COLIBRI: a new platform for real-time multi-messenger astrophysics
Fabian Schüssler, Atilla Kaan Alkan, Valentin Lefranc +1
Flares of known astronomical sources and new transient phenomena occur on different timescales, from sub-seconds to several days or weeks. The discovery potential of both serendipi…