scholarly journals Follow-up Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory

2021 ◽  
Author(s):  
Philip Ruehl ◽  
Pedro Abreu ◽  
Marco Aglietta ◽  
Justin M. Albury ◽  
Ingomar Allekotte ◽  
...  
Keyword(s):  
Gravitational Wave ◽  
Pierre Auger Observatory

scholarly journals Ultrahigh-energy neutrino follow-up of gravitational wave events GW150914 and GW151226 with the Pierre Auger Observatory

2016 ◽  
Vol 94 (12) ◽  
Author(s):  
A. Aab ◽  
P. Abreu ◽  
M. Aglietta ◽  
I. Al Samarai ◽  
I. F. M. Albuquerque ◽  
...  
Keyword(s):  
Gravitational Wave ◽  
Pierre Auger Observatory ◽  
Ultrahigh Energy ◽  
Energy Neutrino

scholarly journals Search for UHE neutrinos in coincidence with LIGO GW150914 event with the Pierre Auger Observatory

2016 ◽  
Vol 12 (S324) ◽  
pp. 295-298
Author(s):  
Lili Yang ◽  
Keyword(s):  
Energy Range ◽  
Gravitational Wave ◽  
High Energy ◽  
Universal Time ◽  
Pierre Auger Observatory ◽  
Ultra High Energy ◽  
Upper Limit ◽  
Surface Detector ◽  
High Energy Regime

AbstractThe first gravitational wave transient GW150914 was observed by Advanced LIGO on September 14th, 2015 at 09:50:45 Universal Time. In addition to follow-up electromagnetic observations, the detection of neutrinos will probe deeply and more on the nature of astrophysical sources, especially in the ultra-high energy regime. Neutrinos in the EeV energy range were searched in data collected at the surface detector of the Pierre Auger Observatory within ± 500 s and 1 day after the GW150914 event. No neutrino candidates were found. Based on this non-observation, we derive the first and only neutrino fluence upper limit at EeV energies for this event at 90% CL, and report constraints on existence of accretion disk around mergers.

scholarly journals The H.E.S.S. gravitational wave rapid follow-up program

2021 ◽  
Vol 2021 (03) ◽  
pp. 045
Author(s):  
Halim Ashkar ◽  
Francois Brun ◽  
Matthias Füßling ◽  
Clemens Hoischen ◽  
Stefan Ohm ◽  
...  
Keyword(s):  
Gravitational Wave

scholarly journals Processing GOTO data with the Rubin Observatory LSST Science Pipelines I: Production of coadded frames

2021 ◽  
Vol 38 ◽  
Author(s):  
J. R. Mullaney ◽  
L. Makrygianni ◽  
V. Dhillon ◽  
S. Littlefair ◽  
K. Ackley ◽  
...  
Keyword(s):  
Gravitational Wave ◽  
Time Domain ◽  
Wide Area ◽  
Wide Field ◽  
Process Data ◽  
Data Production ◽  
The Time Domain ◽  
Further Development ◽  
High Cadence

Abstract The past few decades have seen the burgeoning of wide-field, high-cadence surveys, the most formidable of which will be the Legacy Survey of Space and Time (LSST) to be conducted by the Vera C. Rubin Observatory. So new is the field of systematic time-domain survey astronomy; however, that major scientific insights will continue to be obtained using smaller, more flexible systems than the LSST. One such example is the Gravitational-wave Optical Transient Observer (GOTO) whose primary science objective is the optical follow-up of gravitational wave events. The amount and rate of data production by GOTO and other wide-area, high-cadence surveys presents a significant challenge to data processing pipelines which need to operate in near-real time to fully exploit the time domain. In this study, we adapt the Rubin Observatory LSST Science Pipelines to process GOTO data, thereby exploring the feasibility of using this ‘off-the-shelf’ pipeline to process data from other wide-area, high-cadence surveys. In this paper, we describe how we use the LSST Science Pipelines to process raw GOTO frames to ultimately produce calibrated coadded images and photometric source catalogues. After comparing the measured astrometry and photometry to those of matched sources from PanSTARRS DR1, we find that measured source positions are typically accurate to subpixel levels, and that measured L-band photometries are accurate to $\sim50$ mmag at $m_L\sim16$ and $\sim200$ mmag at $m_L\sim18$ . These values compare favourably to those obtained using GOTO’s primary, in-house pipeline, gotophoto, in spite of both pipelines having undergone further development and improvement beyond the implementations used in this study. Finally, we release a generic ‘obs package’ that others can build upon, should they wish to use the LSST Science Pipelines to process data from other facilities.

scholarly journals MAGIC electromagnetic follow-up of gravitational wave alerts

2016 ◽  
Vol 12 (S324) ◽  
pp. 287-290
Author(s):  
Barbara De Lotto ◽  
Stefano Ansoldi ◽  
Angelo Antonelli ◽  
Alessio Berti ◽  
Alessandro Carosi ◽  
...  
Keyword(s):  
Black Hole ◽  
Data Analysis ◽  
Gravitational Wave ◽  
Laser Interferometer ◽  
Cherenkov Telescopes ◽  
Direct Observations ◽  
Binary Black Hole ◽  
Set Up

AbstractThe year 2015 witnessed the first direct observations of a transient gravitational-wave (GW) signal from binary black hole mergers by the Advanced Laser Interferometer Gravitational-wave Observatory (aLIGO) Collaboration with the Virgo Collaboration. The MAGIC two 17m diameter Cherenkov telescopes system joined since 2014 the vast collaboration of electromagnetic facilities for follow-up of gravitational wave alerts. During the 2015 LIGO-Virgo science run we set up the procedure for GW alerts follow-up and took data following the last GW alert. MAGIC results on the data analysis and prospects for the forthcoming run are presented.

scholarly journals OBSERVATORIO EL SAUCE: HOSTING ROBOTIC SCIENCE IN CHILE

2021 ◽  
Vol 53 ◽  
pp. 47-49
Author(s):  
S. Ropert ◽  
R. Rojas ◽  
V. Suc ◽  
A. Zapata ◽  
J. Fertil ◽  
...  
Keyword(s):  
Gravitational Wave

The "El Sauce" Observatory is a robotic remote observatory in Chile designed for hosting medium and small sized telescopes (<≈ 1m diameter). It currently hosts telescopes used for astro-photography, private and scientific purposes. Telescopes at El Sauce have been contributing regularly to follow-up of TESS objects of interests, and have participated in follow-up of gravitational wave events. In this work we describe the observatory, its infrastructure, and future scientific facilities that are planning to install at "El Sauce" such as a node of the ATLAS project.

scholarly journals J-GEM follow-up observations of the gravitational wave source GW151226*

2016 ◽  
Vol 69 (1) ◽  
pp. 9 ◽  
Author(s):  
Michitoshi Yoshida ◽  
Yousuke Utsumi ◽  
Nozomu Tominaga ◽  
Tomoki Morokuma ◽  
Masaomi Tanaka ◽  
...  
Keyword(s):  
Gravitational Wave ◽  
Wave Source

scholarly journals Optical follow-up of gravitational wave triggers with DECam

2017 ◽  
Vol 898 ◽  
pp. 032050 ◽  
Author(s):  
K Herner ◽  
J Annis ◽  
E Berger ◽  
D Brout ◽  
R Butler ◽  
...  
Keyword(s):  
Gravitational Wave

scholarly journals Optical follow-up of gravitational wave triggers with DECam during the first two LIGO/VIRGO observing runs

2020 ◽  
Vol 33 ◽  
pp. 100425 ◽  
Author(s):  
K. Herner ◽  
J. Annis ◽  
D. Brout ◽  
M. Soares-Santos ◽  
R. Kessler ◽  
...  
Keyword(s):  
Gravitational Wave
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