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20052026
most citedGRANDMA Observations of Advanced LIGO's and Advanced Virgo's Third Observational Campaign

98 citations · 555 across the 25 of their papers we have counts for

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14 papers · 1 filter

astro-ph.HE2026

Earliest simultaneous multi-color optical observations of GRB 230328B: from 41 seconds to the host-galaxy identification

T. Komesh, A. Pozanenko, N. Pankov +36

We present a multiwavelength study of the long-duration gamma-ray burst GRB 230328B, combining prompt gamma-ray observations with exceptionally early simultaneous optical photometr…

astro-ph.HE2025

Deciphering the Physical Origin of GRB 240825A: A Long GRB Lacking a Bright Supernova

Rahul Gupta, Judith L. Racusin, R. Sanchez-Ramirez +54

We present a comprehensive multiwavelength analysis of GRB 240825A, a bright gamma-ray burst (GRB) detected by Fermi and Swift, with a prompt duration ( 4 sec in…

astro-ph.HE2025

EP240801a/XRF 240801B: An X-ray Flash Detected by the Einstein Probe and Implications of its Multiband Afterglow

Shuai-Qing Jiang, Dong Xu, Agnes P. C. van Hoof +89

We present multiband observations and analysis of EP240801a, a low-energy, extremely soft gamma-ray burst (GRB) discovered on August 1, 2024 by the Einstein Probe (EP) satellite, w…

astro-ph.HE2023★ 1 cited

Ready for O4 II: GRANDMA Observations of Swift GRBs during eight-weeks of Spring 2022

I. Tosta e Melo, J. -G. Ducoin, Z. Vidadi +106

We present a campaign designed to train the GRANDMA network and its infrastructure to follow up on transient alerts and detect their early afterglows. In preparation for O4 II camp…

astro-ph.HE2023★ 1 cited

Multi-band analyses of the bright GRB 230812B and the associated SN2023pel

T. Hussenot-Desenonges, T. Wouters, N. Guessoum +109

GRB~230812B is a bright and relatively nearby () long gamma-ray burst (GRB) that has generated significant interest in the community and has thus been observed over the en…

astro-ph.HE2023★ 3 cited

Chromatic Afterglow of GRB 200829A

N. S. Pankov, A. S. Pozanenko, P. Yu. Minaev +16

We present the results of our analysis of multiwavelength observations for the long gamma-ray burst GRB 200829A. The burst redshift has been determined ph…

astro-ph.HE2022★ 17 cited

GRANDMA Observations of ZTF/Fink Transients during Summer 2021

V. Aivazyan, M. Almualla, S. Antier +80

We present our follow-up observations with GRANDMA of transient sources revealed by the Zwicky Transient Facility (ZTF). Over a period of six months, all ZTF triggers were examined…

astro-ph.HE2020★ 9 cited

Grandma: a network to coordinate them all

S. Agayeva, S. Alishov, S. Antier +75

GRANDMA is an international project that coordinates telescope observations of transient sources with large localization uncertainties. Such sources include gravitational wave even…

astro-ph.HE2020★ 98 cited

GRANDMA Observations of Advanced LIGO's and Advanced Virgo's Third Observational Campaign

S. Antier, S. Agayeva, M. Almualla +55

GRANDMA is a network of 25 telescopes of different sizes, including both photometric and spectroscopic facilities. The network aims to coordinate follow-up observations of gravitat…

astro-ph.HE2019★ 31 cited

A multi-wavelength analysis of a collection of short-duration GRBs observed between 2012-2015

S. B. Pandey, Y. Hu, A. J. Castro-Tirado +71

We investigate the prompt emission and the afterglow properties of short duration gamma-ray burst (sGRB) 130603B and another eight sGRB events during 2012-2015, observed by several…

astro-ph.HE2016★ 46 cited

Multicolour modelling of SN 2013dx associated with GRB 130702A

A. A. Volnova, M. V. Pruzhinskaya, A. S. Pozanenko +13

We present optical observations of SN 2013dx, related to the Fermi burst GRB 130702A occurred at a redshift z = 0.145. It is the second-best sampled GRB-SN after SN~1998bw: the obs…

astro-ph.HE2015★ 32 cited

The central engine of GRB 130831A and the energy breakdown of a relativistic explosion

M. De Pasquale, S. R. Oates, J. L. Racusin +37

Gamma-ray bursts (GRBs) are the most luminous explosions in the universe, yet the nature and physical properties of their energy sources are far from understood. Very important clu…

astro-ph.HE2014★ 17 cited

GRB 051008: A long, spectrally-hard dust-obscured GRB in a Lyman-Break Galaxy at z ~ 2.8

A. A. Volnova, A. S. Pozanenko, J. Gorosabel +17

We present observations of the dark Gamma-Ray Burst GRB 051008 provided by Swift/BAT, Swift/XRT, Konus-WIND, INTEGRAL/SPI-ACS in the high-energy domain and the Shajn, Swift/UVOT, T…

astro-ph.HE2014★ 41 cited

A Trio of GRB-SNe: GRB 120729A, GRB 130215A / SN 2013ez and GRB 130831A / SN 2013fu

Z. Cano, A. de Ugarte Postigo, A. Pozanenko +62

We present optical and near-infrared (NIR) photometry for three gamma-ray burst supernovae (GRB-SNe): GRB 120729A, GRB 130215A / SN 2013ez and GRB 130831A / SN 2013fu. In the case…